Quasiparticle Research Articles

Are prosocial tendencies relevant for developmental psychopathology? The relations of prosocial behavior and empathy-related responding to externalizing problems, internalizing problems, and autism spectrum disorder.

The field of developmental psychopathology tends to focus on the negative aspects of functioning. However, prosocial behavior and empathy-related responding - positive aspects of functioning- might relate to some aspects of psychopathology in meaningful ways. In this article, we review research on the relations of three types of developmental psychopathology- externalizing problems (EPs), internalizing problems (IPs), and Autism Spectrum Disorder (ASD) - to empathy-related responding (e.g., affective and cognitive empathy, sympathy, personal distress) and prosocial behavior. Empathy-related responding and prosocial behavior generally have been inversely related to EPs, although findings are sometimes reversed for young children and, for empathy, weak for reactive aggression. Some research indicates that children's empathy (often measured as emotional contagion) and personal distress are positively related to IPs, suggesting that strong sensitivity to others' emotions is harmful to some children. In contrast, prosocial behaviors are more consistently negatively related to IPs, although findings likely vary depending on the motivation for prosocial behavior and the recipient. Children with ASD are capable of prosocially and empathy-related responding, although parents report somewhat lower levels of these characteristics for ASD children compared to neurotypical peers. Issues in regard to measurement, motivation for prosociality, causal relations, and moderating and mediating factors are discussed.

Coherent Magnons with Giant Nonreciprocity at Nanoscale Wavelengths.

Nonreciprocal wave propagation arises in systems with broken time-reversal symmetry and is key to the functionality of devices, such as isolators or circulators, in microwave, photonic, and acoustic applications. In magnetic systems, collective wave excitations known as magnon quasiparticles have so far yielded moderate nonreciprocities, mainly observed by means of incoherent thermal magnon spectra, while their occurrence as coherent spin waves (magnon ensembles with identical phase) is yet to be demonstrated. Here, we report the direct observation of strongly nonreciprocal propagating coherent spin waves in a patterned element of a ferromagnetic bilayer stack with antiparallel magnetic orientations. We use time-resolved scanning transmission X-ray microscopy (TR-STXM) to directly image the layer-collective dynamics of spin waves with wavelengths ranging from 5 μm down to 100 nm emergent at frequencies between 500 MHz and 5 GHz. The experimentally observed nonreciprocity factor of these counter-propagating waves is greater than 10 with respect to both group velocities and specific wavelengths. Our experimental findings are supported by the results from an analytic theory, and their peculiarities are further discussed in terms of caustic spin-wave focusing.

Are my wife's recovery activities related to my subsequent recovery activities at work?

We proposed a model where a male employee's wife's engagement in recovery activities results in the husband's own enactment of recovery activities while in the workplace, via emotional contagion, based on the COR theory and broaden-and-build theory of positive emotions. We expected wives may experience positive emotions after engaging in social interactions, which has a contagion effect on husbands' positive emotions. Further, husbands were expected to leverage their positive emotions to engage in future recovery activities (better lunch nap and meal quality while at work). Lastly, we examined whether power imbalance in the married couple has a moderating effect on emotional contagion processes. To test our model, we used an experience-sampling method in which 110 dyads completed daily diary questionnaires for 8 consecutive days (N = 768, after removing 112 invalid observations). As expected, wives' social interactions are linked to husbands' positive emotions via wives' positive emotions. Further, husbands' positive emotions predict the quality of two workplace recovery activities (lunch naps and meals). Finally, power imbalance moderates the association between wives' (donors) emotions and husbands' (recipients) emotions such that the crossover of emotions is stronger when wives (donors) have relatively more power than when they have less.

Evolution of the Spin Order in Hall Ferromagnets under the Strong Mixing of Landau Levels and at the Filling Factors 1 ≤ ν ≤ 2

An unconventional behavior of the spin order in strongly correlated two-dimensional electron systems based on MgZnO/ZnO heterostructures has been detected in the quantum limit at the filling factors 1 ≤ ν ≤ 2. Under the variation of the filling factor and the orientation of a magnetic field, inelastic light scattering spectra exhibit characteristic transformations of collective spin excitations, which indicate qualitatively different rearrangements of the spin configuration in the system: smooth depolarization at 1 < ν < 3/2 with the formation of spin textures and sharp ferromagnetic instability at a certain filling factor in the range 3/2 < ν ≤ 2. Comparison with the magnetotransport experiments reported in [J. Falson, D. Maryenko, B. Friess, et al., Nature Phys. 11, 347 (2015)] shows that the disappearance of spin textures under the variation of the field tilt angle correlates with the appearance of an incompressible state at ν = 3/2.

Antimagnonics

Magnons are the quanta of collective spin excitations in magnetically ordered systems, and manipulation of magnons for computing and information processing has witnessed the development of “magnonics.” A magnon corresponds to an excitation of the magnetic system from its ground state, and the creation of a magnon thus increases the total energy of the system. In this perspective, we introduce the antiparticle of a magnon, dubbed the antimagnon, as an excitation that lowers the magnetic energy. On the fundamental side, the introduction of antimagnons paves the way to study phenomena from high-energy physics that are hard to observe with elementary particles, such as the Klein effect, black-hole horizons, and black-hole lasing, in a condensed-matter setting. On the application side, the introduction of antimagnons yields physical intuition for schemes to amplify magnons that may eventually find applications in magnonics, and this is often based on analogies of the aforementioned high-energy phenomena. We investigate the stability and thermal occupation of antimagnons and verify our theory by micromagnetic simulations. We hope that our work stimulates fundamental interest in antimagnons, as well as their applications to spintronic devices.

Neurophysiological markers of asymmetric emotional contagion: implications for organizational contexts.

Emotions play a vital role within organizations, impacting various crucial aspects of work such as job satisfaction, performance, and employee well-being. Understanding how emotional states spread in organizational settings is therefore essential. Recent studies have highlighted that a leader's emotional state can influence their followers, with significant consequences on job performance. Leaders thus possess the ability to influence their employees' psychological state and, consequently, their well-being. However, the biological underpinnings of emotional contagion from leaders to followers remain unexplored. The field of interpersonal (neuro)physiology, which involves recording brain and peripheral activity of multiple individuals during interactions, holds great potential for investigating this phenomenon. Analyzing the time-lagged synchronization of neurophysiological activity during interactions may serve as a measure of the leader's influence on their followers in organizational contexts. In this "mini review," we examine empirical studies that have employed interpersonal (neuro)physiology to quantify the asymmetrical contagion of emotions in different contexts. Asymmetrical contagion was operationalized as the unidirectional influence exerted by one individual (i.e., the "sender") to another one (i.e., the "receiver"), whereby the receiver's state can be predicted by the sender's one. The reviewed literature reveals that delayed synchronization of physiological states is a widespread phenomenon that may underpin the transmission of emotions. These findings have significant implications for various aspects of organizational life, including leader-to-employee communication, and could drive the development of effective leadership training programs. We propose that Organizational Neuroscience may benefit from including interpersonal neurophysiology in its methodological toolkit for laboratory and field studies of leader-follower dynamics.

Effects of finite material size on axion-magnon conversion

Magnetic materials are particularly favorable targets for detecting axions interacting with electrons because the collective excitation of electron spins, the magnon, can be excited through the axion-magnon conversion process. It is often assumed that only the zero-momentum uniformly precessing magnetostatic (Kittel) mode of the magnon is excited. This is justified if the de Broglie wavelength of the axion is much longer than the size of the target magnetic material. However, if the de Broglie wavelength is shorter, finite-momentum magnon modes can also be excited. We systematically analyze the target material size dependence of the axion-magnon conversion rate. We discuss the importance of these effects in the detection of relativistic axions as well as in the detection of axion dark matter of relatively heavy mass with large material size.

Mental health nurses' empathy towards consumers with dual diagnosis: A descriptive study.

This study aimed to assess mental health nurses' empathy towards consumers with dual diagnosis in Australian mental health settings. The research question was What is mental health nurses' empathy towards consumers with co-existing mental health and drug and alcohol problems? A cross-sectional survey was carried out to understand mental health nurses' empathy. The convenience sample included 96 mental health nurses from various mental health settings with experience working with consumers with dual diagnosis. We assessed empathy using the Toronto Empathy Questionnaire. We utilised SPSS™ software to analyse both the descriptive data and multiple-regression. The mean empathy score was 47.71 (SD 8.28). The analysis of the association between demographic variables and individual subscales showed an association between the clinical setting and empathy (p = .031) and sympathetic physiological arousal (p = .049). The work sector was associated with sympathetic physiological arousal (p = .045) and conspecific altruism (p = .008). Emotional contagion (β = .98, p < .001), emotional comprehension (β = 1.02, p < .001), sympathetic physiological arousal (β = 1.01, p < .001) and conspecific altruism (β = 10.23, p < .001) predicted mental health nurses' empathy. This study found that most mental health nurses showed empathy towards consumers with dual diagnosis. Mental health nurses who are more empathetic towards their consumers experience emotional contagion. They understand emotions better, show sympathetic physiological responses and exhibit kind behaviour towards consumers. Further research is required to understand how mental health nurses adapt to consumers' emotional states in different mental health settings. This information can help clinicians make better decisions about care quality for consumers with dual diagnosis. This study addressed mental health nurses' empathy towards consumers with dual diagnosis. Mental health nurses showed increased empathy towards consumers with dual diagnosis. The empathy levels vary based on age, clinical setting, work sector and work experience. Mental health nurses' empathy levels were predicted by emotional contagion, emotion comprehension, sympathetic physiological arousal and conspecific altruism. Empathy enhancement among mental health nurses, particularly towards consumers with dual diagnosis, is crucial and should be regarded as a top priority by healthcare leaders and educators. Outlined by the Consensus-Based Checklist for Reporting of Survey Studies (CROSS). No Patient or Public Contribution.

Interaction-Induced ac Stark Shift of Exciton-Polaron Resonances.

Laser-induced shift of atomic states due to the ac Stark effect has played a central role in cold-atom physics and facilitated their emergence as analog quantum simulators. Here, we explore this phenomenon in an atomically thin layer of semiconductor MoSe_{2}, which we embedded in a heterostructure enabling charge tunability. Shining an intense pump laser with a small detuning from the material resonances, we generate a large population of virtual collective excitations and achieve a regime where interactions with this background population are the leading contribution to the ac Stark shift. Using this technique we study how itinerant charges modify-and dramatically enhance-the interactions between optical excitations. In particular, our experiments show that the interaction between attractive polarons could be more than an order of magnitude stronger than those between bare excitons.

Realizing the Emotional Crossing from “Selfishness” to “Goodness”: Realistic Reflections on Hume’S Theory of Sympathy

The essence of “sympathy” in Hume’s perspective is an emotional transmission mechanism. The exertion of its utility is affected by the relations of resemblance, contiguity and causation. In depth, this emotional transmission mechanism is composed of four links: “self-love” as the origin, “standing by” as the position, “self-reflection” as the impetus, and “goodness” as the emotional direction. Smooth and successful transmission of these four links will help to achieve the emotional crossing from “selfishness” to “goodness”. Under the enlightenment of Hume’s theory, a man needs to look on independently and objectively on the basis of natural conscience, in order to be a qualified sympathizer. At the social level, it is required to build a sympathy environment with impartiality and objectivity, which needs to strengthen sympathy education and to improve the moral reward and punishment mechanism, so as to provide sufficient internal and external conditions for the crossing from “selfishness” to “goodness”.

Trajectories of depletion following witnessing incivility toward women: a time-lagged study

PurposeThe authors aim to broaden the understanding of incivility through the lens of bystanders who witness incivility toward women. Integrating attributional ambiguity and emotional contagion theories with the literature on workplace mistreatment, the authors propose that witnessing incivility toward women may negatively impact bystanders.Design/methodology/approachThe authors collected multi-wave data from 324 employees to assess the consequences of witnessing incivility toward women at work for bystanders.FindingsUtilizing a serial mediation model, the authors found evidence that witnessing incivility toward women indirectly increased turnover intentions six weeks later, first through elevated negative affect and then through increased cognitive burnout.Originality/valueTaken together, this study's findings suggest that the negative effects of incivility toward women can spread to bystanders and highlight the importance of considering individuals who are not directly involved, but simply bear witness to incivility at work.

An investigation of the modulatory effects of empathic and autistic traits on emotional and facial motor responses during live social interactions.

A close relationship between emotional contagion and spontaneous facial mimicry has been theoretically proposed and is supported by empirical data. Facial expressions are essential in terms of both emotional and motor synchrony. Previous studies have demonstrated that trait emotional empathy enhanced spontaneous facial mimicry, but the relationship between autistic traits and spontaneous mimicry remained controversial. Moreover, previous studies presented faces that were static or videotaped, which may lack the "liveliness" of real-life social interactions. We addressed this limitation by using an image relay system to present live performances and pre-recorded videos of smiling or frowning dynamic facial expressions to 94 healthy female participants. We assessed their subjective experiential valence and arousal ratings to infer the amplitude of emotional contagion. We measured the electromyographic activities of the zygomaticus major and corrugator supercilii muscles to estimate spontaneous facial mimicry. Individual differences measures included trait emotional empathy (empathic concern) and the autism-spectrum quotient. We did not find that live performances enhanced the modulatory effect of trait differences on emotional contagion or spontaneous facial mimicry. However, we found that a high trait empathic concern was associated with stronger emotional contagion and corrugator mimicry. We found no two-way interaction between the autism spectrum quotient and emotional condition, suggesting that autistic traits did not modulate emotional contagion or spontaneous facial mimicry. Our findings imply that previous findings regarding the relationship between emotional empathy and emotional contagion/spontaneous facial mimicry using videos and photos could be generalized to real-life interactions.

Adaptation and validation of the French version of empathy questionnaire in preschoolers

AbstractAt preschool age, children need to develop socio‐emotional skills, including empathy, in order to adapt their response during social interactions with peers and adults in various contexts. When preschoolers face difficulties in their social interactions, it is relevant to assess their empathy in order to know whether a specific preventive intervention is needed. This study aimed to adapt and validate the French version of the Empathy Questionnaire (EmQue‐vf), which was completed by Belgian mothers of 307 children aged from 2 to 6 years. Mothers also completed the Griffith Empathy Measure (GEM‐vf), Theory of Mind Inventory (ToMI1‐vf) and Emotion Regulation Checklist (ERC‐vf). A CFA confirmed a three‐factor structure for EmQue‐vf, including 14 items loading onto three factors: (1) Emotion Contagion, (2) Attention to Others’ Feelings, and (3) Prosocial Actions. This structure was confirmed for the boys’ and girls’ samples treated separately, as well as for the overall sample. Internal consistency ranged from acceptable for Emotion Contagion to good for Attention to Others’ Feelings and Prosocial Actions. In terms of concurrent criterion validity with GEM‐vf, the three factors of EmQue‐vf correlated positively with the affective empathy score and only the Prosocial Actions scale was positively linked with the cognitive empathy score. In terms of construct validity, Pearson's correlations showed a positive link between age and Prosocial Actions. Moreover, the three EmQue‐vf subscales were linked positively to Theory of Mind and emotion regulation scores. A negative link was obtained between Prosocial Actions and emotion dysregulation scores. In conclusion, EmQue‐vf presents good psychometric qualities. It will be a useful in future research and interventions involving French‐speaking children with and without developmental disorders.

PHYSICAL THEATER AND THE FORMULA FOR INTERPRETING BODY LANGUAGE CULTURE

The narrative nature of the existence of dramorealism is gradually giving way to more relevant forms of physical theater, which relies on a complex but most understandable language - body language. The total nature of this turn is explained by the reactivity of bodily kinetics in the transmission of emotions, in conveying the meanings of any narrative and cultural subtleties. Body language is the most versatile way of communication that overcomes any language barriers. In physical theater, actors use their bodies as a powerful tool to convey meaning, relying on movement, gestures, and facial expressions to "tell" their stories. The return to linguistic archaism acquires a total character in modern productions. Thanks to the universal kinetics of body language, physical theater becomes understandable to people from different cultures and social strata and promotes deeper communication and mutual understanding between performers and viewers. Body language is a visual informant, inextricably linked to all spheres of human interaction and functioning, ensuring the minimization of information losses in conveying the most complex, and sometimes obscure meanings. The analysis of cross-cultural studies devoted to the phenomenon of body language in physical theater allows us to reveal and evaluate the cultural nuances inherent in this expressive art form. After all, it is known that the same gesture in different cultures can have completely different meanings, so there is a need for a deeper study of the psychology and specifics of non-verbal communication to prevent undesirable critical circumstances for a person. A different order of communication of the physical theater acquires the features of a visual theater, in which the viewer is the main interpreter. An interpreter of a mobile, constantly changing world created within the boundaries of the viewer's vision. Just as it is impossible for any one universal concept or way of thinking to dominate in science, no art form can claim to have complete knowledge of its subject. Hence the need to understand the basics of body language, to understand its role in the overall development of the human community, and theatrical art in particular. In particular, knowledge of such key universals of non-verbal communication as handshake, hand gestures, eye contact, physical contact, head movement, sitting position, etc. effective body language tools.

“I want to be good:” morality, faith, and female spectatorial pleasure during World War I

ABSTRACT In this article, I draw on a handful of personal fan collections created in the first decade of the star system to examine how schoolgirls of faith engaged Hollywood cinema as a visual vernacular that helped them externalize ‘extreme states of personal being’, including grief, disgust, and arousal. Working through what I term ‘a cinephilia steeped in the distrust of pleasure’, I argue that some moviegoing girls turned to private scrapbooking and film reviewing to sort out embattled feelings arising while coming of age in the United States at a time of social upheaval, war, and epidemics.

Collective Excitation of Bosonic Quantum Hall State

Collective Excitation of Bosonic Quantum Hall State

Resonant inelastic X-ray scattering applications in quantum materials

The essence of quantum materials lies in the intricate coupling among charge, spin, orbital and lattice degrees of freedom. Although X-ray photoemission spectroscopy and inelastic neutron scattering have advantages in detecting fermionic single-particle spectral function and bosonic spin excitations in quantum materials, respectively, probing other bosonic collective excitations especially their coupling is not possible until the establishment of the advanced resonant inelastic X-ray scattering (RIXS). In the past decades, RIXS has flourished with continuously improved energy resolution which made a paradigm shift from measuring crystal-field splitting and the charge-transfer excitation, to probing collective excitations and the order parameters of all degrees of freedom. This review paper summarises the latest research progress of quantum materials studied by the soft X-ray RIXS. For instance, three-dimensional collective charge excitations, plasmons, were discovered experimentally by RIXS in both electron and hole doped cuprate superconductors. The collective orbital excitations and excitons were found in copper and nickel based quantum materials. For the newly discovered nickelate superconductors, RIXS has made substantial contributions to characterising their electronic and magnetic excitations and the related ordering phenomena critical for an in-depth understanding of the underlying superconducting mechanicsm. The RIXS is a unique tool in probing the higher-order spin excitations in quantum materials due to the strong spin-orbit coupling and the core-valence exchange interaction. The RIXS is also found to be superior in probing the Stoner magnetic excitations in magnetic metals and topological magnetic materials. Finally, the development of RIXS technology in Chinese large-scale research facilities is briefly prospected.

Operational excellence (OpEx) through entrepreneur’s strategic business decision making and emotional contagion in the service industry

Petroleum products play a critical role in the global industry. India is the third most significant crude oil importer in the world, of which 22 % from Russia in October 2022. Emotional Contagion refers to an entrepreneur influencing the emotions and behaviours of another entrepreneur and employees in the company to achieve operational excellence. Entrepreneurs' decision-making styles vary from analytical, conceptual, directional, and behavioural to attain the corporate goal. The utilitarian theory states that entrepreneurs, as utilitarians, lead the company with a highly ethical, moral, good environment &amp; culture and, at the same time, target for the company's profit. We have considered twenty five companies from India and the Middle East region to study Entrepreneur's strategic business decision styles and emotional Contagion. We have used a Stratified sampling technique to collect data. We have used JAMOVI for the data analysis. This paper examines entrepreneurs' strategic business decision styles and emotional Contagion toward Utilitarianism in the Oil and Gas service industry. It provides positive and negative effects for which we have recommended that the government and MSMEs must focus on providing psychological training to entrepreneurs to achieve the highest positive emotional contagion, safe and healthy organizational culture positively

Susceptibility to positive versus negative emotional contagion: First evidence on their distinction using a balanced self-report measure.

Susceptibility to emotional contagion is defined as the disposition of how susceptible someone is to catch others' emotions and it has long been studied in research on mental health, well-being, and social interaction. Given that existing self-report measures of susceptibility to emotional contagion have focused almost exclusively on negative emotions, we developed a self-report measure to assess the susceptibility to emotional contagion of both positive and negative emotions (2 scales). In two studies, we examined their factor structure, validity, and reliability using exploratory factor analysis (Study 1, N = 257), confirmatory factor analysis (Study 2, N = 247) and correlations. Our results confirmed the two-factor structure and demonstrated good internal consistencies. Regarding external validity, our scales showed diverging correlational patterns: While susceptibility to negative emotional contagion was linked to mental health problems and negative emotions, susceptibility to positive emotional contagion was linked to interpersonal functioning and prosocial tendencies. In conclusion, our scales appear to be internally/externally valid and a promising tool for future research.

Emotional Exhaustion and Emotional Contagion: Navigating Turnover Intention of Healthcare Personnel.

This study aimed to examine the role of personal emotions and emotional contagion within organizations on the behavior and attitudes of healthcare personnel. This study is expected to provide a theoretical foundation for reducing resignation behaviors and improving healthcare quality. This study adopted a quantitative research method with a cross-sectional survey through an online questionnaire. The bootstrap method with 5000 iterations was used to validate the role of variables within a 95% confidence interval. SPSS 26.0 and Model 5 in Process 3.4 for SPSS were used for the data analysis. This research involved 459 healthcare personnel, whose levels of role overload (3.821±0.925), emotional exhaustion (3.436±1.189), and turnover emotional contagion (3.110±1.099) were notably high. Role overload was positively related to turnover intention, with emotional exhaustion as a mediator. Notably, turnover emotional contagion exerted a positive moderating effect. This study emphasizes the adverse effects of emotional exhaustion and turnover emotional contagion in the Chinese context, offering practical recommendations for medical organizational managers to navigate turnover intention among healthcare personnel. This study suggests paying attention to the emotional state of healthcare personnel and providing adequate support resources. Managers should routinely assess and track turnover emotional contagion within the organization, fostering a positive emotional atmosphere.