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Equilibrium phase transitions between a normal and a photon condensate state (also known as superradiant phase transitions) are a highly debated research topic, where proposals for their occurrence and no-go theorems have chased each other for the pa
Externí odkaz:
http://arxiv.org/abs/2104.09468
Publikováno v:
Phys. Rev. B 102, 125137 (2020)
The realization of equilibrium superradiant quantum phases (photon condensates) in a spatially-uniform quantum cavity field is forbidden by a "no-go" theorem stemming from gauge invariance. We here show that the no-go theorem does not apply to spatia
Externí odkaz:
http://arxiv.org/abs/2005.09088
Publikováno v:
Phys. Rev. B 100, 121109 (2019)
In spite of decades of work it has remained unclear whether or not superradiant quantum phases, referred to here as photon condensates, can occur in equilibrium. In this Letter, we first show that when a non-relativistic quantum many-body system is c
Externí odkaz:
http://arxiv.org/abs/1905.11227
Akademický článek
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Autor:
Gian Marcello Andolina, Allan H. MacDonald, Francesco M. D. Pellegrino, Marco Polini, Vittorio Giovannetti
Publikováno v:
Physical Review B 102 (2020). doi:10.1103/PhysRevB.102.125137
info:cnr-pdr/source/autori:Andolina G.M.; Pellegrino F.M.D.; Giovannetti V.; Macdonald A.H.; Polini M./titolo:Theory of photon condensation in a spatially varying electromagnetic field/doi:10.1103%2FPhysRevB.102.125137/rivista:Physical Review B/anno:2020/pagina_da:/pagina_a:/intervallo_pagine:/volume:102
Physical Review B
info:cnr-pdr/source/autori:Andolina G.M.; Pellegrino F.M.D.; Giovannetti V.; Macdonald A.H.; Polini M./titolo:Theory of photon condensation in a spatially varying electromagnetic field/doi:10.1103%2FPhysRevB.102.125137/rivista:Physical Review B/anno:2020/pagina_da:/pagina_a:/intervallo_pagine:/volume:102
Physical Review B
The realization of equilibrium superradiant quantum phases (photon condensates) in a spatially-uniform quantum cavity field is forbidden by a "no-go" theorem stemming from gauge invariance. We here show that the no-go theorem does not apply to spatia
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::77015a29481d19562fb7ecd3e4aa27b7
http://arxiv.org/abs/2005.09088
http://arxiv.org/abs/2005.09088
Autor:
Gian Marcello Andolina, Vittorio Giovannetti, Allan H. MacDonald, Marco Polini, Francesco M. D. Pellegrino
Publikováno v:
Physical Review B 100 (2019): 121109-1–121109-6. doi:10.1103/PhysRevB.100.121109
info:cnr-pdr/source/autori:Andolina G.M.; Pellegrino F.M.D.; Giovannetti V.; Macdonald A.H.; Polini M./titolo:Cavity quantum electrodynamics of strongly correlated electron systems: A no-go theorem for photon condensation/doi:10.1103%2FPhysRevB.100.121109/rivista:Physical Review B/anno:2019/pagina_da:121109-1/pagina_a:121109-6/intervallo_pagine:121109-1–121109-6/volume:100
info:cnr-pdr/source/autori:Andolina G.M.; Pellegrino F.M.D.; Giovannetti V.; Macdonald A.H.; Polini M./titolo:Cavity quantum electrodynamics of strongly correlated electron systems: A no-go theorem for photon condensation/doi:10.1103%2FPhysRevB.100.121109/rivista:Physical Review B/anno:2019/pagina_da:121109-1/pagina_a:121109-6/intervallo_pagine:121109-1–121109-6/volume:100
In spite of decades of work it has remained unclear whether or not superradiant quantum phases, referred to here as photon condensates, can occur in equilibrium. In this Rapid Communication, we first show that when a nonrelativistic quantum many-body