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Cited by 108Cold Atom Physics and Bose-Einstein CondensatesStrong Light-Matter InteractionsQuantum, superfluid, helium dynamics

Quantum kinetic theory. III. Quantum kinetic master equation for strongly condensed trapped systems

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Gardiner, C. W., Zoller, P.·1998·Physical Review A
DOI 10.1103/physreva.58.536
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Abstract

We extend quantum kinetic theory to deal with a strongly Bose-condensed atomic vapor in a trap. The method assumes that the majority of the vapor is not condensed, and acts as a bath of heat and atoms for the condensate. The condensate is described by the particle-number-conserving Bogoliubov method developed by one of the authors. We derive equations which describe the fluctuations of particle number and phase, and the growth of the Bose-Einstein condensate. The equilibrium state of the condensate is a mixture of states with different numbers of particles and quasiparticles. It is not a quantum superposition of states with different numbers of particles---nevertheless, the stationary state exhibits the property of off-diagonal long-range order, to the extent that this concept makes sense in a tightly trapped condensate.

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  • The capability of an analog quantum information processor whose dynamics is characterized by quantum chaos can be severely impacted by imperfections.

    “Indeed, the capability of an analog quantum information processor whose dynamics is characterized by quantum chaos (i.e., well described by random matrix theory) can be severely impacted by imperfections [147, 148].”

    From Can one trust quantum simulators? (2012) · cites this paper as [147]

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Authors
Gardiner, C. W., & Zoller, P.
Affiliations
  • Victoria University of Wellington (NZ)
  • Universität Innsbruck (AT)
ORCID
Venue
Physical Review A
Publisher
American Physical Society (APS)
Published
1998-07-01
Volume
58
Issue
1
Pages
536-556
ISSN
  • 0556-2791 (ISSN-L)
  • 1050-2947
  • 1094-1622
DOI
10.1103/physreva.58.536
OpenAlex
W2001466242
Cited by
108
References
63
Citations by year
2026: 2 · 2024: 1 · 2023: 1 · 2021: 1 · 2020: 2 · 2019: 3 · 2018: 6 · 2017: 2 · 2016: 1 · 2015: 4 · 2014: 3 · 2013: 4 · 2012: 8
FWCI
5.14
Type
journal article
Language
en
Open access
Licence
link.aps.org/licenses/aps-default-license (vor)
Locations
  • Physical Review A (publishedVersion)
  • arXiv (Cornell University) (submittedVersion)
  • arXiv (Cornell University)
Topics
  • Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Cold Atom Physics and Bose-Einstein Condensates
  • Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Strong Light-Matter Interactions
  • Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Quantum, superfluid, helium dynamics
Keywords
quantum kinetic theory, Bose-Einstein condensate, Bogoliubov method, condensate growth, particle number fluctuations, phase fluctuations, off-diagonal long-range order, quasiparticles

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