Dynamical quantum noise in trapped Bose-Einstein condensates

Steel, MJ, Olsen, MK, Plimak, LI, Drummond, PD, Tan, SM, Collett, MJ, Walls, DF and Graham, R (1998) Dynamical quantum noise in trapped Bose-Einstein condensates. Physical Review A, 58 6: 4824-4835. doi:10.1103/PhysRevA.58.4824

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Author Steel, MJ
Olsen, MK
Plimak, LI
Drummond, PD
Tan, SM
Collett, MJ
Walls, DF
Graham, R
Title Dynamical quantum noise in trapped Bose-Einstein condensates
Journal name Physical Review A   Check publisher's open access policy
ISSN 1050-2947
Publication date 1998-01-01
Year available 1998
Sub-type Article (original research)
DOI 10.1103/PhysRevA.58.4824
Open Access Status File (Publisher version)
Volume 58
Issue 6
Start page 4824
End page 4835
Total pages 12
Place of publication COLLEGE PK
Publisher AMERICAN PHYSICAL SOC
Language eng
Subject 3107 Atomic and Molecular Physics, and Optics
Abstract We introduce the study of dynamical quantum noise in Bose-Einstein condensates through numerical simulation of stochastic partial differential equations obtained using phase-space representations. We derive evolution equations for a single trapped condensate in both the positive-P and Wigner representations and perform simulations to compare the predictions of the two methods. The positive-P approach is found to be highly susceptible to the stability problems that have been observed in other strongly nonlinear, weakly damped systems. Using the Wigner representation, we examine the evolution of several quantities of interest using from a variety of choices of initial stare for the condensate and compare results to those for single-mode models. [S1050-2947(98)06612-8].
Keyword Optics
Physics, Atomic, Molecular & Chemical
Positive-p Representation
Kinetic Master Equation
Output Coupler
Atom Laser
Solitons
Propagation
Phase
Gas
Interference
Sound
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Physical Sciences Publications
 
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Citation counts: TR Web of Science Citation Count  Cited 256 times in Thomson Reuters Web of Science Article | Citations
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Created: Mon, 13 Aug 2007, 20:47:57 EST