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Pair-Interacting Heavy Holes Gas in a Strongly Prolate Ellipsoidal Quantum Dot: Thermodynamic Properties

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Journal of Contemporary Physics (Armenian Academy of Sciences) Aims and scope

Abstract

A somewhat partial pair-interacting gas of heavy holes localized in a highly elongated ellipsoidal Ge/Si quantum dot has been studied in the adiabatic approximation. The interparticle interaction potential is considered within the one-dimensional Moshinsky atom model when the interaction depends on the square of the distance between particles. Within the framework of the Boltzmann approximation, the statistical sum of a somewhat partial hole gas is analytically calculated. The main thermodynamic parameters of the system, such as average energy, free energy, entropy, and heat capacity have been investigated. It is shown that taking into account interparticle interaction results in the ordering of the system, which, in particular, affects the entropy of the gas.

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Funding

The work was supported by the Science Committee of the Republic of Armenia and the Russian Foundation for Basic Research within the framework of joint scientific projects SCS 20RF-041 and RFBR 20-52-05004, respectively.

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Correspondence to H. A. Sarkisyan.

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Translated by V. Musakhanyan

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Mkrtchyan, M.A., Mamasakhlisov, Y.S. & Sarkisyan, H.A. Pair-Interacting Heavy Holes Gas in a Strongly Prolate Ellipsoidal Quantum Dot: Thermodynamic Properties. J. Contemp. Phys. 58, 391–396 (2023). https://doi.org/10.1134/S1068337223040126

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  • DOI: https://doi.org/10.1134/S1068337223040126

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