A mathematical analysis of dressed photon in ground state of generalized quantum Rabi model using pair theory

Masao Hirokawa; Jacob S. Moller; Itaru Sasaki

doi:10.1088/1751-8121/aa677c

A mathematical analysis of dressed photon in ground state of generalized quantum Rabi model using pair theory

Masao Hirokawa, Jacob S. Moller, Itaru Sasaki

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Abstract

We consider the generalized quantum Rabi model with the so-called A ²-term in the light of the Hepp-Lieb-Preparata quantum phase transition. We investigate the dressed photon in its ground state when the atom-light coupling strength is in the deep-strong coupling regime. This regime is introduced by Casanova et al (2010 Phys. Rev. Lett. 105 263603) as the coupling regime exceeding the ultra-strong one. We show how the dressed photon appears in the ground state.

Original language	English
Article number	184003
Journal	Journal of Physics A: Mathematical and Theoretical
Volume	50
Issue number	18
DOIs	https://doi.org/10.1088/1751-8121/aa677c
Publication status	Published - Apr 5 2017
Externally published	Yes

All Science Journal Classification (ASJC) codes

Statistical and Nonlinear Physics
Statistics and Probability
Modelling and Simulation
Mathematical Physics
Physics and Astronomy(all)

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10.1088/1751-8121/aa677c

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title = "A mathematical analysis of dressed photon in ground state of generalized quantum Rabi model using pair theory",

abstract = "We consider the generalized quantum Rabi model with the so-called A 2-term in the light of the Hepp-Lieb-Preparata quantum phase transition. We investigate the dressed photon in its ground state when the atom-light coupling strength is in the deep-strong coupling regime. This regime is introduced by Casanova et al (2010 Phys. Rev. Lett. 105 263603) as the coupling regime exceeding the ultra-strong one. We show how the dressed photon appears in the ground state.",

author = "Masao Hirokawa and Moller, {Jacob S.} and Itaru Sasaki",

note = "Funding Information: He also acknowledge JSM's hospitality at Aarhus University, and Franco Nori's at RIKEN. He also acknowledges the support from JSPS Grant-in-Aid for Scientific Researches (B) 26310210 and (C) 26400117. MH and JSM acknowledges the support from the International Network Program of the Danish Agency for Science, Technology and Innovation. Publisher Copyright: {\textcopyright} 2017 IOP Publishing Ltd.",

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T1 - A mathematical analysis of dressed photon in ground state of generalized quantum Rabi model using pair theory

AU - Hirokawa, Masao

AU - Moller, Jacob S.

AU - Sasaki, Itaru

N1 - Funding Information: He also acknowledge JSM's hospitality at Aarhus University, and Franco Nori's at RIKEN. He also acknowledges the support from JSPS Grant-in-Aid for Scientific Researches (B) 26310210 and (C) 26400117. MH and JSM acknowledges the support from the International Network Program of the Danish Agency for Science, Technology and Innovation. Publisher Copyright: © 2017 IOP Publishing Ltd.

PY - 2017/4/5

Y1 - 2017/4/5

N2 - We consider the generalized quantum Rabi model with the so-called A 2-term in the light of the Hepp-Lieb-Preparata quantum phase transition. We investigate the dressed photon in its ground state when the atom-light coupling strength is in the deep-strong coupling regime. This regime is introduced by Casanova et al (2010 Phys. Rev. Lett. 105 263603) as the coupling regime exceeding the ultra-strong one. We show how the dressed photon appears in the ground state.

AB - We consider the generalized quantum Rabi model with the so-called A 2-term in the light of the Hepp-Lieb-Preparata quantum phase transition. We investigate the dressed photon in its ground state when the atom-light coupling strength is in the deep-strong coupling regime. This regime is introduced by Casanova et al (2010 Phys. Rev. Lett. 105 263603) as the coupling regime exceeding the ultra-strong one. We show how the dressed photon appears in the ground state.

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A mathematical analysis of dressed photon in ground state of generalized quantum Rabi model using pair theory

Abstract

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