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복잡계 이론물리 연구단
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Spontaneous Polariton Currents in Periodic Lateral Chains

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Title
Spontaneous Polariton Currents in Periodic Lateral Chains
Author(s)
A. V. Nalitov; T. C. H. Liew; A. V. Kavokin; B. L. Altshuler; Y. G. Rubo
Publication Date
2017-08
Journal
PHYSICAL REVIEW LETTERS, v.119, no.6, pp.067406 -
Publisher
AMER PHYSICAL SOC
Abstract
We predict spontaneous generation of superfluid polariton currents in planar microcavities with lateral periodic modulation of both the potential and decay rate. A spontaneous breaking of spatial inversion symmetry of a polariton condensate emerges at a critical pumping, and the current direction is stochastically chosen. We analyze the stability of the current with respect to the fluctuations of the condensate. A peculiar spatial current domain structure emerges, where the current direction is switched at the domain walls, and the characteristic domain size and lifetime scale with the pumping power. © 2017 American Physical Society
URI
http://pr.ibs.re.kr/handle/8788114/3798
ISSN
0031-9007
Appears in Collections:
Center for Theoretical Physics of Complex Systems(복잡계 이론물리 연구단) > Journal Papers (저널논문)
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