A scheme to observe universal breathing mode and Berezinskii-Kosterlitz-Thouless phase transition in a two-dimensional photon gas

被引：5

作者：

Vyas, Vivek M. ^{[1
,2
]}

Panigrahi, Prasanta K. ^{[1
]}

Banerji, J. ^{[2
]}

机构：

[1] Indian Inst Sci Educ & Res IISER Kolkata, Dept Phys Sci, Mohanpur 741252, Nadia, India

[2] Phys Res Lab, Div Theoret Phys, Ahmadabad 380009, Gujarat, India

来源：

PHYSICS LETTERS A | 2014年 / 378卷 / 20期

关键词：

Bose-Einstein condensation; Berezinskii-Kosterlitz-Thouless phase; transition; SUPERFLUID DENSITY; 2; DIMENSIONS; SYMMETRY; SYSTEMS; PHYSICS; ORDER;

D O I：

10.1016/j.physleta.2014.02.035

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A system of two-dimensional photon gas has recently been realized experimentally. We show that this setup can be used to observe a universal breathing mode of photon gas and a modification in the experimental setup would open up a possibility of observing the Berezinskii-Kosterlitz-Thouless (BKT) phase transition in such a system. Furthermore, the universal jump in the superfluid density of light in the output channel can be used as an unambiguous signature for the experimental verification of the BKT transition. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：1434 / 1437

页数：4

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