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Quasiadiabatic dynamics of ultracold bosonic atoms in a one-dimensional optical superlattice

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dc.contributor.author Dhar, A
dc.contributor.author Rossini, D
dc.contributor.author Das, B. P
dc.date.accessioned 2020-11-17T02:36:02Z
dc.date.available 2020-11-17T02:36:02Z
dc.date.issued 2015-09
dc.identifier.citation Physical Review A, Vol. 92, No. 3, 033610 en_US
dc.identifier.issn 1050-2947
dc.identifier.uri http://prints.iiap.res.in/handle/2248/7037
dc.description Open Access © American Physical Society http://dx.doi.org/10.1103/PhysRevA.92.033610 en_US
dc.description.abstract We study the quasiadiabatic dynamics of a one-dimensional system of ultracold bosonic atoms loaded in an optical superlattice. Focusing on a slow linear variation in time of the superlattice potential, the system is driven from a conventional Mott insulator phase to a superlattice-induced Mott insulator, crossing in between a gapless critical superfluid region. Due to the presence of a gapless region, a number of defects depending on the velocity of the quench appear. Our findings suggest a power-law dependence similar to the Kibble-Zurek mechanism for intermediate values of the quench rate. For the temporal ranges of the quench dynamics that we considered, the scaling of defects depends nontrivially on the width of the superfluid region. en_US
dc.language.iso en en_US
dc.publisher The American Physical Society en_US
dc.subject Ultracold gases trapped gases en_US
dc.subject Condensed Matter en_US
dc.subject Quantum Gases en_US
dc.subject Boson systems en_US
dc.title Quasiadiabatic dynamics of ultracold bosonic atoms in a one-dimensional optical superlattice en_US
dc.type Article en_US


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