Phase-diffusion dynamics in weakly coupled Bose-Einstein condensates

Phase-diffusion dynamics in weakly coupled Bose-Einstein condensates

We study the phase-sensitivity of collisional phase-diffusion between weakly coupled Bose-Einstein condensates, using a semiclassical picture of the two-mode Bose-Hubbard model. When weak-coupling is allowed, zero relative phase locking is attained in the Josephson-Fock transition regime, whereas a...

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Veröffentlicht in:arXiv.org 2009-04
Hauptverfasser: Boukobza, Erez, Chuchem, Maya, Cohen, Doron, Vardi, Amichay
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Bose-Einstein condensates
Locking
Mathematical models
Matter & antimatter
Physics - Other Condensed Matter
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Cohen, Doron
Vardi, Amichay
description We study the phase-sensitivity of collisional phase-diffusion between weakly coupled Bose-Einstein condensates, using a semiclassical picture of the two-mode Bose-Hubbard model. When weak-coupling is allowed, zero relative phase locking is attained in the Josephson-Fock transition regime, whereas a \(\pi\) relative phase is only locked in Rabi-Josephson point. Our analytic semiclassical estimates agree well with the numerical results.
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subjects Bose-Einstein condensates
Locking
Mathematical models
Matter & antimatter
Physics - Other Condensed Matter
title Phase-diffusion dynamics in weakly coupled Bose-Einstein condensates
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