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Cited by 511

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Quantum Dynamics of System Strongly Coupled to Low-Temperature Colored Noise Bath: Reduced Hierarchy Equations Approach

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Ishizaki, Akihito, Tanimura, Yoshitaka·2005·Journal of the Physical Society of Japan

Abstract

Reduced equations of motion for a two-level system strongly coupled to a harmonic oscillators bath are constructed by extending the hierarchy of equations introduced by Tanimura and Kubo [J. Phys. Soc. Jpn. 58 (1989) 101]. The set of equations treats the bath in a nonperturbative manner and is applicable to a low-temperature system with taking into account the correlation time of noise. By numerically calculating linear absorption spectra for different temperatures, we demonstrate that the present theory is not afflicted with the dynamical positivity problem that occurs at low temperatures without the rotating wave approximation. Remarkable changes are found in the spectra when the temperature is lower than the resonant energy of the two-level system.

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Metadata

Authors
Ishizaki, A., & Tanimura, Y.
Venue
Journal of the Physical Society of Japan
Published
2005-12
Volume
74
Issue
12
Pages
3131-3134
ISSN
  • 0031-9015 (ISSN-L)
  • 1347-4073
OpenAlex
W1998081146
Cited by
511
References
2
FWCI
2.25
Type
journal article
Language
en
Open access
hybrid

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CoChat. (2026). Citation check: Quantum Dynamics of System Strongly Coupled to Low-Temperature Colored Noise Bath: Reduced Hierarchy Equations Approach. https://app.cochat.ai/papers/10.1143/jpsj.74.3131
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Ishizaki, A., & Tanimura, Y. (2005). Quantum Dynamics of System Strongly Coupled to Low-Temperature Colored Noise Bath: Reduced Hierarchy Equations Approach. Journal of the Physical Society of Japan. https://doi.org/10.1143/jpsj.74.3131

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