Abstract
In this study, the Von Neumann entropy (entanglement entropy) of s - d bosons and proton (π) - neutron (ν) bosons in the even-even Molybdenum (94-42 102Mo) isotopes, within the framework of the Interacting Boson Model-2 (IBM-2), has been calculated and analyzed. In order to compare the results, the energy spectra, quadrupole moment, and the expectation value of the s-boson number operator of Mo isotopes have been obtained. The results showed that 94Mo has the minimum entanglement of s and d bosons and 102Mo nucleus has the maximum entanglement of s and d bosons. Therefore, these nuclei are spherical (U(5)) and γ-unstable (SO(6)) nuclei, respectively, and other observables confirm this result. Also, the value of the entanglement entropy of the π and ν bosons is constant by changing the control parameter. So, it does not show any transition.
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