Quantum Work from a Pseudo-Hermitian Hamiltonian

In this work, we study the thermodynamics of a hybrid system based on the Da Providencia–Schütte Hamiltonian. The model consists of bosons, i.e., photons in a cavity, interacting with an ensemble of spins through a pseudo-Hermitian Hamiltonian. We compute the exact partition function of the system,...

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Main Authors: Marta Reboiro, Diego Tielas
Format: Article
Language:English
Published: MDPI AG 2022-12-01
Series:Quantum Reports
Subjects:
Online Access:https://www.mdpi.com/2624-960X/4/4/43
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author Marta Reboiro
Diego Tielas
author_facet Marta Reboiro
Diego Tielas
author_sort Marta Reboiro
collection DOAJ
description In this work, we study the thermodynamics of a hybrid system based on the Da Providencia–Schütte Hamiltonian. The model consists of bosons, i.e., photons in a cavity, interacting with an ensemble of spins through a pseudo-Hermitian Hamiltonian. We compute the exact partition function of the system, and from it, we derive the statistical properties of the system. Finally, we evaluate the work that can be extracted from the system by performing an Otto cycle and discuss the advantages of the proposed pseudo-Hermitian interaction.
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spelling doaj.art-eff2f91bcde34c37976934006629dd562023-11-24T17:42:56ZengMDPI AGQuantum Reports2624-960X2022-12-014458960310.3390/quantum4040043Quantum Work from a Pseudo-Hermitian HamiltonianMarta Reboiro0Diego Tielas1Institute of Physics of La Plata (IFLP), Boulevard 113 & 63, La Plata C.P. 1900, ArgentinaInstitute of Physics of La Plata (IFLP), Boulevard 113 & 63, La Plata C.P. 1900, ArgentinaIn this work, we study the thermodynamics of a hybrid system based on the Da Providencia–Schütte Hamiltonian. The model consists of bosons, i.e., photons in a cavity, interacting with an ensemble of spins through a pseudo-Hermitian Hamiltonian. We compute the exact partition function of the system, and from it, we derive the statistical properties of the system. Finally, we evaluate the work that can be extracted from the system by performing an Otto cycle and discuss the advantages of the proposed pseudo-Hermitian interaction.https://www.mdpi.com/2624-960X/4/4/43non-Hermitian dynamicspseudo-hermicityquantum workDa Providencia–Schütte model
spellingShingle Marta Reboiro
Diego Tielas
Quantum Work from a Pseudo-Hermitian Hamiltonian
Quantum Reports
non-Hermitian dynamics
pseudo-hermicity
quantum work
Da Providencia–Schütte model
title Quantum Work from a Pseudo-Hermitian Hamiltonian
title_full Quantum Work from a Pseudo-Hermitian Hamiltonian
title_fullStr Quantum Work from a Pseudo-Hermitian Hamiltonian
title_full_unstemmed Quantum Work from a Pseudo-Hermitian Hamiltonian
title_short Quantum Work from a Pseudo-Hermitian Hamiltonian
title_sort quantum work from a pseudo hermitian hamiltonian
topic non-Hermitian dynamics
pseudo-hermicity
quantum work
Da Providencia–Schütte model
url https://www.mdpi.com/2624-960X/4/4/43
work_keys_str_mv AT martareboiro quantumworkfromapseudohermitianhamiltonian
AT diegotielas quantumworkfromapseudohermitianhamiltonian