Classical Physicists Research Articles

Theory of non-Hermitian topological whispering gallery

Topological insulators have taken the condensed matter physics scenery by storm and captivated the interest among scientists and materials engineers alike. Surprisingly, this arena which was initially established and profoundly studied in electronic systems and crystals, has sparked a drive among classical physicists to pursue a wave-based analogy for sound, light and vibrations. In the latest efforts combining valley-contrasting topological sound with non-Hermitian ingredients, B. Hu et al. [Nature 597, 655 (2021)] employed thermoacoustic coupling in sonic lattices whose elementary building blocks are coated with electrically biased carbon nanotube films. In this contribution, we take a theoretical and numerical route towards understanding the complex acoustic interplay between geometry and added acoustic gain as inspired by the aforesaid publication. Besides complex bulk and edge states predictions and computations of mode-split resonances using whispering gallery configurations, we also predict an acoustic amplitude saturation in dependence on the activated coated elements. We foresee that our computational advances may assist future efforts in exploring thermoacoustic topological properties.

New Systematic Solution for Resolving Nonlinear Dynamics Using System Analytical Theory Based on Engineering Science

There are many nonlinear dynamics in field of non-physical sciences, such as the food chain, economic systems, or engineering systems with the characteristics of closed or open-loop systems. The problems arising from this have been resolved by the outdated chaos theory in statistical physics based on the paradigm of logical thinking. However, it was founded by classical physicists, and it is imperfect and vague, moreover, very difficult for others. Therefore, we require a perfect systematic solution based on systems thinking, such as systems analytical methods in engineering science. Surprisingly, in 2021, a non-physicist, on behalf of a physicist, has successfully resolved the problems and achieved a new solution based on systems thinking through interdisciplinary research; moreover, it has been published. Unfortunately, most physicists do not welcome it because they have no experience and it is disadvantageous to them like the Copernican theory. In addition, they have no ability to evaluate the new solution because they do not know the analytic method. Nevertheless, non-physicists are greatly welcome it, thus, there is no problem in it. Hence, non-physicists will verify it using MATLAB or simulator and apply it to all science, on behalf of physicists. If so, non-physicists will have both a logical solution and a systematic solution for resolving nonlinear dynamics.

Advanced Studies for Resolving Nonlinear Dynamic Systems Involving Complexity Based on Systems Thinking for Non-Physicists

There are many examples of nonlinear dynamics, such as food chains or thermodynamic systems within closed-loop systems. In modern physics, these problems have been resolved based on logical thinking by using the chaos theory in statistical physics, which was arranged by classical physicists in the 17th century. However, this is a significantly erroneous problem because, in engineering science, nonlinear dynamics must be resolved and cleared using systems analysis theory based on systems thinking. It is the main concept in a new solution that is studied through interdisciplinary research; it is needed to introduce control theory into physics. In 2015, on the behalf of physicists, the author successfully resolved and achieved a new solution, which is a significant achievement in modern science. Unfortunately, physicists have not welcomed it because it is disadvantageous to them, similar to the Copernican theory. So, they themselves became outsiders. If so, non-physicists need to follow their chaos theory in physics unless they do not clarify their solution; moreover, non-physicists on behalf of physicists can use their own new solution without risk. Hence, all scientists need to learn the systems analytic method in engineering.

The Origin of Nonlinear Dynamics Involving Complexity in Modern Sciences

This paper reveals the origin of nonlinear dynamics and presents a solution for nonlinear systematic problems based on other science. Generally, physical phenomena are divided into linear static logical problems and nonlinear dynamic systematic problems, but all scientists have solved both problems using the same algebraic logical solution in statistical physics based on determinism such as chaos theory. Surprisingly, this is a contradiction and a serious mistake because there is a perfect solution such as the system analysis theory existing in other science. Unfortunately, it has developed in the 20th century by engineers. Thus, classical physicists could not solve it. Meanwhile, the author achieved the systematic solution for many unsolved nonlinear systematical, further, proved the research result through simulation using specially designed simulation device. Thus, this is a revolutionary achievement because it can easily solve the unsolved nonlinear dynamics that exists in all fields of science. Ironically most determinists do not welcome and reject it. However, it has no matter, it will be separated from current physics and other scientists studied it in the second physics. Therefore, it would be contributed to solve the unsolved nonlinear dynamics in complex science.

Hypersphere World-Universe Model. Tribute to Classical Physics

This manuscript summarizes the results of Classical Physics before Quantum Mechanics and Hypotheses proposed by classical physicists from the 17th until the beginning of 21st century. We then proceed to unify these results into a single coherent picture in frames of the developed Hypersphere World-Universe Model (WUM). The Model proposes 5 types of Dark Matter particles and predicts their masses; models the origin, evolution, and structure of the World and Macroobjects; provides a mathematical framework that ties together a number of Fundamental constants and allows for direct calculation of their values.

Continuity and discontinuity in physics and biology

Although classical physicists believed that nature does not make leaps – it is continuous and infinitely divisible – 20th century physicists soon realised that there are indivisible elementary particles (quanta) and that physical space is therefore not continuous and also not infinitely divisible. This state of affairs is also underscored by the duality of particle and wave. Even for Einstein the continuity of the microstructure of ‘space-time’ was still an open question. Therefore considering physical phenomena as literally continuous could be questioned. Moreover it is striking that reflection on the nature of matter gave birth both to an ‘atomistic’ and a ‘continuity’ conception. Faithful to modern nominalism (neo-)Darwinism accepts no universality outside the human mind. Plants and animals are simply positioned in a continuum with the aid of arbitrary names. This continuity postulate – known as ‘gradualism’ – is, nonetheless, confronted from the outset with the dominant stasis pattern of the paleontological record: a type appears abruptly, remains constant for millions of years and then disappears equally abruptly. As a consequence the assumed ‘imperfection’ of the fossil record could be questioned. Prominent biological thinkers still wrestle with the problem of continuity and discontinuity. One of them explains that these stories begin from the same foundational fallacy and then proceed in an identically erroneous way. They start with the most dangerous of mental traps: a hidden assumption, depicted as self-evident, if recognised at all, namely, a basic definition of evolution as continuous flux.

Ancient Philosophy, Quantum Reality and Management

The romanticism of management for numbers, metrics and deterministic models driven by mathematics, is not new. It still exists. This is exactly the problem which classical physicists had in the late 19th century until Werner Heisenberg brought the uncertainty principle and opened the doors of quantum physics that challenged the deterministic view of the physical world mostly driven by the Newtonian view. In this paper, we propose an uncertainty principle of management and then list a set of factors which capture this uncertainty quite well and arrive at a new view of scientific management thought. The new view which we call as the Quantum view of Management (QVM) will be based on the major tenets from the ancient philosophical traditions viz., Jainism, Taoism, Advaita Vedanta, Buddhism, Greek philosophers (like Hereclitus) etc.

Comment: A Last Judgment

Comment: A Last Judgment

Understanding zero-point energy in the context of classical electromagnetism

Today’s textbooks of electromagnetism give the particular solution to Maxwell’s equations involving the integral over the charge and current sources at retarded times. However, the texts fail to emphasise that the choice of the incoming-wave boundary conditions corresponding to solutions of the homogeneous Maxwell equations must be made based upon experiment. Here we discuss the role of these incoming-wave boundary conditions for an experimenter with a hypothetical charged harmonic oscillator as his equipment. We describe the observations of the experimenter when located near a radio station or immersed in thermal radiation at temperature T. The classical physicists at the end of the 19th century chose the incoming-wave boundary conditions for the homogeneous Maxwell equations based upon the experimental observations of Lummer and Pringsheim which measured only the thermal radiation which exceeded the random radiation surrounding their measuring equipment; the physicists concluded that they could take the homogeneous solutions to vanish at zero temperature. Today at the beginning of the 21st century, classical physicists must choose the incoming-wave boundary conditions for the homogeneous Maxell equations to correspond to the full radiation spectrum revealed by the recent Casimir force measurements which detect all the radiation surrounding conducting parallel plates, including the radiation absorbed and emitted by the plates themselves. The random classical radiation spectrum revealed by the Casimir force measurements includes electromagnetic zero-point radiation, which is missing from the spectrum measured by Lummer and Pringsheim, and which cannot be eliminated by going to zero temperature. This zero-point radiation will lead to zero-point energy for all systems which have electromagnetic interactions. Thus the choice of the incoming-wave boundary conditions on the homogeneous Maxwell equations is intimately related to the ideas of zero-point energy and non-radiating ground states which are introduced in classes of modern physics.

Special Relativity Cannot Be Derived from Galilean Mechanics Alone

A recent paper suggested that if Galilean covariance was extended to signals and interactions, the resulting theory would contain such anomalies as would have impelled physicists towards special relativity even without empirical prompts. I analyze this claim. Some so-called anomalies turn out to be errors. Others have classical analogs, which suggests that classical physicists would not have viewed them as anomalous. Still others, finally, remain intact in special relativity, so that they serve as no impetus towards this theory. I conclude that Galilean covariance is insufficient to derive special relativity.

THE CLASSICAL STRUCTURE MODEL OF SINGLE PHOTON AND CLASSICAL POINT OF VIEW WITH REGARD TO WAVE-PARTICLE DUALITY OF PHOTON

The enigma of the wave-particle duality of photon has remained unimpressively explained for a century since Einstein presents the concept of the photon in 1905. This article establishes a classical geometric structure model of a single photon based on fleld matter, educes a formula for the size of a photon; assumes that there only are two kinds of photon of right hand and left hand circular polarized, and suggests the frequency ! of photon polarization rotated to be its spin frequency. It ascribes the wavelike of photon to its spin motion and the particle-like to its translation motion. From the point of photon particle instead of wave view to re-analyze Young's double-slit interference and polarizer experiments, gives reasonable mechanism. It deflnes the phase velocity and the group velocity of a photon. It gives a unifled and consistent understanding of quantum particle of light and classical electromagnetic waves fleld. Evidently, such a precisely deflned conceptual model is reasonable, objective and easy to accept for classical physicists. The puzzle (1) of the wave-particle duality of light has remained unsatisfactorily explained nearly a century since Albert Einstein flrst proposed the photon, the quantum unit of light ‡ E=~!; ~=~ ~ ·

Let’s Revive the Study of Fluids

Let’s Revive the Study of Fluids

From Falling Bodies to Radio Waves: Classical Physicists and Their Discoveries. Emilio Segré

<i>From Falling Bodies to Radio Waves: Classical Physicists and Their Discoveries</i>. Emilio Segré

Space and the action constant

Dr Petley (Physics Bulletin October 1987 p375) expresses surprise that the most accurate method of estimating Planck's constant comes not from quantum physics and laser spectroscopy but from measurements critically involving low-temperature solid state physics. Surely, this can only suggest that classical physicists were right in pointing to the similarity between the solid state of matter and the characteristics of the vacuum.

From Falling Bodies to Radio Waves: Classical Physicists and Their Discoveries

First Page

From Falling Bodies to Radio Waves: Classical Physicists and their Discoveries

Emilio Segrè 1984 Oxford: Freeman x + 298 pp price £24.95 (£13.95 paperback) ISBN 0 7167 1481 7 Hdbk, 0 7167 1482 5 Pbk

From Falling Bodies to Radio Waves: Classical Physicists and Their Discoveries

<i>From Falling Bodies to Radio Waves: Classical Physicists and Their Discoveries</i>

The Law of Inertia and the Principle Quidquid Movetur Ab Alio Movetur

THE LAW OF INERTIA AND THE PRINCIPLE QUIDQUID MOVETUR AB ALIO MOVETUR HISTORY OF SCIENCE teaches us how difficult it is to discover the general laws of nature and the fictitious character of these laws. The fictitious character of the fundamental principles of physics is evident from the fact that we can point to two essentially different principles, each of which corresponds with experience to a large extent. Einstein calls philosophical prejudices the belief in the direct intuition of laws from nature through observation. The prejudice consists in the faith that facts by themselves can and should yield scientific knowledge without free conceptual constructions ... One does not easily become aware of the free choice of such concepts, which, through verification and language, appear to be immediately connected with the empirical materiaJ.l On the other hand, physicists should be aware of the importance played by philosophical ideas in the discovery of physical laws and physical theories. Every important physical theory presupposes a cluster of philosophical concepts regarding space, time, motion, causality, and so forth, which are a consequence of the philosophical world view of the pioneers of physics . All great physicists without exception were philosophers. One supposes Einstein, Bohr, Heisenberg and Dirac to be different kinds of thinkers from Galileo, Kepler and Newton. But this is wrong. These are all physicists: that is, natural philosophers seeking explanations of phenomena in ways more similar than the dichotomy "classical-modern" has led philosophers of science to imagine.2 1 A. Einstein, Essays in Science, (New York, 1934), p. 69. Cf. Albert Einstein: Philosopher-Scientist, ed. by Paul Schilpp (New York, 1951), p. 49. • N. R. Hanson, Patterns of Discovery (Cambridge, 1958), p. !l. 306 THE LAW OF INERTIA 307 The conceptual basis of De Broglie's doctoral thesis on matter seemed " philosophical " to his examiners. The dispute between Einstein, Bohr, Bohm, and De Broglie is regarded as merely philosophical by most physicists. Physicists, however, are philosophers of nature looking for the explanation of phenomena , as were Aristotle, Galileo, or Newton. A physicist is a philosopher of nature, and a philosopher of nature must know physics. It is the vision of the universe which counts, not the symbolism of its mathematical formulation. I. The Law of Inertia in Galileo and Newton A typical example of the fictitious character of physical laws and their philosophical implications is the Law of Inertia, called by Whitehead the first article of the creed of science, which reads: "Every body continues in its state of rest or of uniform motion in a straight line, unless it is compelled to change that state by forces inpressed upon it." 8 This law is not axiomatic in the sense of self-evident. It seemed plausible, however, to Galileo, Newton, and the majority of classical physicists. To prove this law, Galileo argued that a sphere rolling down a plane on one side of the room would roll across the floor and up an inclined plane on the opposite side. Moreover, ignoring friction, the sphere will ascend the second plane to just the height above the floor from which it had been released on th~ first inclined plane. Hence, a sphere in motion on an ideal frictionless floor would move along a straight line to infinity. "We may remark," Galileo says, " that any velocity once imparted to a moving body will be rightly maintained as long as the external causes of acceleration or retardation are removed, a condition which is found only on horizontal planes ..." 4 That 3 I. Newton, Philosophiae Naturalis Principia Mathematica (London, 1687), Law I. cf. A. N. Whitehead, Essays in Science and Philosophy (London, 1948), p. 171. • Galileo, Two New Sciences, IIIrd day, pp. 215-fH6, Cf. ibid., "Any velocity once received by a body is perpetually maintained as long as the external causes of acceleration or retardation are removed, a condition which is found only in horizontal planes." 308 ANTONIO MORENO this motion will be uniform ad infinitum is assumed to follow from Galileo's "thought experiment" by simply passing to the limit. Theoretically speaking, the Law of Inertia can be considered as a particular case of the Second Law of Motion, name- ~ ly, force is equal to...