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Fragmentation, domain formation and atom number fluctuations of a two-species Bose–Einstein condensate in an optical lattice

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Fragmentation, domain formation and atom number fluctuations of a two-species Bose–Einstein condensate in an optical lattice. / Shrestha, Uttam; Ruostekoski, Janne.
In: New Journal of Physics, Vol. 14, 043037, 26.04.2012.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

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Shrestha U, Ruostekoski J. Fragmentation, domain formation and atom number fluctuations of a two-species Bose–Einstein condensate in an optical lattice. New Journal of Physics. 2012 Apr 26;14:043037. doi: 10.1088/1367-2630/14/4/043037

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Bibtex

@article{27b3b54f0bf346a19fc55d88df3d5ac0,
title = "Fragmentation, domain formation and atom number fluctuations of a two-species Bose–Einstein condensate in an optical lattice",
abstract = "We theoretically study the loading of a two-species Bose–Einstein condensate to an optical lattice in a tightly confined one-dimensional trap. Due to quantum fluctuations, the relative inter- and intra-species phase coherencebetween the atoms and the on-site atom number fluctuations are reduced in the miscible regime. For the immiscible case the fluctuations are enhanced and the atoms form metastable interleaved spatially separated domains where the domainlength and its fluctuations are affected by quantum fluctuations.",
author = "Uttam Shrestha and Janne Ruostekoski",
year = "2012",
month = apr,
day = "26",
doi = "10.1088/1367-2630/14/4/043037",
language = "English",
volume = "14",
journal = "New Journal of Physics",
issn = "1367-2630",
publisher = "IOP Publishing Ltd",

}

RIS

TY - JOUR

T1 - Fragmentation, domain formation and atom number fluctuations of a two-species Bose–Einstein condensate in an optical lattice

AU - Shrestha, Uttam

AU - Ruostekoski, Janne

PY - 2012/4/26

Y1 - 2012/4/26

N2 - We theoretically study the loading of a two-species Bose–Einstein condensate to an optical lattice in a tightly confined one-dimensional trap. Due to quantum fluctuations, the relative inter- and intra-species phase coherencebetween the atoms and the on-site atom number fluctuations are reduced in the miscible regime. For the immiscible case the fluctuations are enhanced and the atoms form metastable interleaved spatially separated domains where the domainlength and its fluctuations are affected by quantum fluctuations.

AB - We theoretically study the loading of a two-species Bose–Einstein condensate to an optical lattice in a tightly confined one-dimensional trap. Due to quantum fluctuations, the relative inter- and intra-species phase coherencebetween the atoms and the on-site atom number fluctuations are reduced in the miscible regime. For the immiscible case the fluctuations are enhanced and the atoms form metastable interleaved spatially separated domains where the domainlength and its fluctuations are affected by quantum fluctuations.

U2 - 10.1088/1367-2630/14/4/043037

DO - 10.1088/1367-2630/14/4/043037

M3 - Journal article

VL - 14

JO - New Journal of Physics

JF - New Journal of Physics

SN - 1367-2630

M1 - 043037

ER -