Quantum dynamics of an atomic Bose-Einstein condensate in a double-well potential

G. J. Milburn; J. Corney; E. M. Wright; D. F. Walls

doi:10.1103/PhysRevA.55.4318

Quantum dynamics of an atomic Bose-Einstein condensate in a double-well potential

G. J. Milburn, J. Corney, E. M. Wright, D. F. Walls

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1092 Scopus citations

Abstract

We consider the quantum dynamics of a neutral atom Bose-Einstein condensate in a double-well potential, including many-body hard-sphere interactions. Using a mean-field factorization we show that the coherent oscillations due to tunneling are suppressed when the number of atoms exceeds a critical value. An exact quantum solution, in a two-mode approximation, shows that the mean-field solution is modulated by a quantum collapse and revival sequence.

Original language	English (US)
Pages (from-to)	4318-4324
Number of pages	7
Journal	Physical Review A - Atomic, Molecular, and Optical Physics
Volume	55
Issue number	6
DOIs	https://doi.org/10.1103/PhysRevA.55.4318
State	Published - 1997

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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10.1103/PhysRevA.55.4318

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title = "Quantum dynamics of an atomic Bose-Einstein condensate in a double-well potential",

abstract = "We consider the quantum dynamics of a neutral atom Bose-Einstein condensate in a double-well potential, including many-body hard-sphere interactions. Using a mean-field factorization we show that the coherent oscillations due to tunneling are suppressed when the number of atoms exceeds a critical value. An exact quantum solution, in a two-mode approximation, shows that the mean-field solution is modulated by a quantum collapse and revival sequence.",

author = "Milburn, {G. J.} and J. Corney and Wright, {E. M.} and Walls, {D. F.}",

year = "1997",

doi = "10.1103/PhysRevA.55.4318",

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AU - Corney, J.

AU - Wright, E. M.

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AB - We consider the quantum dynamics of a neutral atom Bose-Einstein condensate in a double-well potential, including many-body hard-sphere interactions. Using a mean-field factorization we show that the coherent oscillations due to tunneling are suppressed when the number of atoms exceeds a critical value. An exact quantum solution, in a two-mode approximation, shows that the mean-field solution is modulated by a quantum collapse and revival sequence.

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Quantum dynamics of an atomic Bose-Einstein condensate in a double-well potential

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