Quantum adiabatic cycles and their breakdown

While the Landau-Zener problem is conventionally used to describe defects formation in quantum systems, it cannot be applied to non-interacting Bose excitations as the adiabatic perturbation theory assumptions are violated by Bose statistics. Here, the author investigates adiabatic cycles across qua...

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Autor principal:	Nicolò Defenu
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Astrophysics QB460-466 Physics QC1-999
Acceso en línea:	https://doaj.org/article/2d47dd26e2c74d23a9b0cf45874e6590
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spelling	oai:doaj.org-article:2d47dd26e2c74d23a9b0cf45874e65902021-12-02T16:10:46ZQuantum adiabatic cycles and their breakdown10.1038/s42005-021-00649-62399-3650https://doaj.org/article/2d47dd26e2c74d23a9b0cf45874e65902021-07-01T00:00:00Zhttps://doi.org/10.1038/s42005-021-00649-6https://doaj.org/toc/2399-3650While the Landau-Zener problem is conventionally used to describe defects formation in quantum systems, it cannot be applied to non-interacting Bose excitations as the adiabatic perturbation theory assumptions are violated by Bose statistics. Here, the author investigates adiabatic cycles across quantum critical points with harmonic Bose quasi-particles and shows that adiabaticity breakdown is a universal feature of these systemsNicolò DefenuNature PortfolioarticleAstrophysicsQB460-466PhysicsQC1-999ENCommunications Physics, Vol 4, Iss 1, Pp 1-6 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Astrophysics QB460-466 Physics QC1-999
spellingShingle	Astrophysics QB460-466 Physics QC1-999 Nicolò Defenu Quantum adiabatic cycles and their breakdown
description	While the Landau-Zener problem is conventionally used to describe defects formation in quantum systems, it cannot be applied to non-interacting Bose excitations as the adiabatic perturbation theory assumptions are violated by Bose statistics. Here, the author investigates adiabatic cycles across quantum critical points with harmonic Bose quasi-particles and shows that adiabaticity breakdown is a universal feature of these systems
format	article
author	Nicolò Defenu
author_facet	Nicolò Defenu
author_sort	Nicolò Defenu
title	Quantum adiabatic cycles and their breakdown
title_short	Quantum adiabatic cycles and their breakdown
title_full	Quantum adiabatic cycles and their breakdown
title_fullStr	Quantum adiabatic cycles and their breakdown
title_full_unstemmed	Quantum adiabatic cycles and their breakdown
title_sort	quantum adiabatic cycles and their breakdown
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/2d47dd26e2c74d23a9b0cf45874e6590
work_keys_str_mv	AT nicolodefenu quantumadiabaticcyclesandtheirbreakdown
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Quantum adiabatic cycles and their breakdown

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