Disorder-induced order in two-component Bose-Einstein condensates

A. Niederberger; T. Schulte; J. Wehr; M. Lewenstein; L. Sanchez-Palencia; K. Sacha

doi:10.1103/PhysRevLett.100.030403

Disorder-induced order in two-component Bose-Einstein condensates

A. Niederberger, T. Schulte, J. Wehr, M. Lewenstein, L. Sanchez-Palencia, K. Sacha

Research output: Contribution to journal › Article › peer-review

Abstract

We propose and analyze a general mechanism of disorder-induced order in two-component Bose-Einstein condensates, analogous to corresponding effects established for XY spin models. We show that a random Raman coupling induces a relative phase of π/2 between the two BECs and that the effect is robust. We demonstrate it in one, two, and three dimensions at T=0 and present evidence that it persists at small T>0. Applications to phase control in ultracold spinor condensates are discussed.

Original language	English
Article number	030403
Journal	Physical Review Letters
Volume	100
Issue number	3
DOIs	https://doi.org/10.1103/PhysRevLett.100.030403
Publication status	Published - 24 Jan 2008
Externally published	Yes

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title = "Disorder-induced order in two-component Bose-Einstein condensates",

abstract = "We propose and analyze a general mechanism of disorder-induced order in two-component Bose-Einstein condensates, analogous to corresponding effects established for XY spin models. We show that a random Raman coupling induces a relative phase of π/2 between the two BECs and that the effect is robust. We demonstrate it in one, two, and three dimensions at T=0 and present evidence that it persists at small T>0. Applications to phase control in ultracold spinor condensates are discussed.",

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AU - Niederberger, A.

AU - Schulte, T.

AU - Wehr, J.

AU - Lewenstein, M.

AU - Sanchez-Palencia, L.

AU - Sacha, K.

PY - 2008/1/24

Y1 - 2008/1/24

N2 - We propose and analyze a general mechanism of disorder-induced order in two-component Bose-Einstein condensates, analogous to corresponding effects established for XY spin models. We show that a random Raman coupling induces a relative phase of π/2 between the two BECs and that the effect is robust. We demonstrate it in one, two, and three dimensions at T=0 and present evidence that it persists at small T>0. Applications to phase control in ultracold spinor condensates are discussed.

AB - We propose and analyze a general mechanism of disorder-induced order in two-component Bose-Einstein condensates, analogous to corresponding effects established for XY spin models. We show that a random Raman coupling induces a relative phase of π/2 between the two BECs and that the effect is robust. We demonstrate it in one, two, and three dimensions at T=0 and present evidence that it persists at small T>0. Applications to phase control in ultracold spinor condensates are discussed.

U2 - 10.1103/PhysRevLett.100.030403

DO - 10.1103/PhysRevLett.100.030403

M3 - Article

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SN - 0031-9007

VL - 100

JO - Physical Review Letters

JF - Physical Review Letters

IS - 3

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Disorder-induced order in two-component Bose-Einstein condensates

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