Soliton diffusion in a Bose-Einstein condensate: A signature of the analogue Hawking radiation

Chao Hang; Gregory Gabadadze; Guoxiang Huang

doi:10.1016/j.physletb.2019.04.008

Soliton diffusion in a Bose-Einstein condensate: A signature of the analogue Hawking radiation

Chao Hang^*
, Gregory Gabadadze
, Guoxiang Huang

^*Corresponding author for this work

Institute for Advanced Study in Precision Spectroscopy

New York University
NYU-ECNU Center for Computational Chemistry at NYU Shanghai
East China Normal University

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

1 Scopus citations

Abstract

The analog Hawking radiation (HR) emanating from a sonic black hole horizon formed in a cigar-shaped Bose-Einstein condensate (BEC) at finite temperature is investigated. In particular, we study the effect of HR on a dark (topological) soliton. We show that, due to thermal fluctuations, the dark soliton in the BEC displays a nonlinear Brownian motion resulting in a specific asymmetric diffusion. Based on numerical simulations we argue that the analog HR formed in the BEC can be detected indirectly through measurement of the dark soliton diffusion.

Original language	English
Pages (from-to)	390-395
Number of pages	6
Journal	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	793
DOIs	https://doi.org/10.1016/j.physletb.2019.04.008
State	Published - 10 Jun 2019

Keywords

Analog Hawking radiation
Bose-Einstein condensation
Solitons

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10.1016/j.physletb.2019.04.008

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title = "Soliton diffusion in a Bose-Einstein condensate: A signature of the analogue Hawking radiation",

abstract = "The analog Hawking radiation (HR) emanating from a sonic black hole horizon formed in a cigar-shaped Bose-Einstein condensate (BEC) at finite temperature is investigated. In particular, we study the effect of HR on a dark (topological) soliton. We show that, due to thermal fluctuations, the dark soliton in the BEC displays a nonlinear Brownian motion resulting in a specific asymmetric diffusion. Based on numerical simulations we argue that the analog HR formed in the BEC can be detected indirectly through measurement of the dark soliton diffusion.",

keywords = "Analog Hawking radiation, Bose-Einstein condensation, Solitons",

author = "Chao Hang and Gregory Gabadadze and Guoxiang Huang",

note = "Publisher Copyright: {\textcopyright} 2019 The Authors",

year = "2019",

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doi = "10.1016/j.physletb.2019.04.008",

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T2 - A signature of the analogue Hawking radiation

AU - Hang, Chao

AU - Gabadadze, Gregory

AU - Huang, Guoxiang

PY - 2019/6/10

Y1 - 2019/6/10

N2 - The analog Hawking radiation (HR) emanating from a sonic black hole horizon formed in a cigar-shaped Bose-Einstein condensate (BEC) at finite temperature is investigated. In particular, we study the effect of HR on a dark (topological) soliton. We show that, due to thermal fluctuations, the dark soliton in the BEC displays a nonlinear Brownian motion resulting in a specific asymmetric diffusion. Based on numerical simulations we argue that the analog HR formed in the BEC can be detected indirectly through measurement of the dark soliton diffusion.

AB - The analog Hawking radiation (HR) emanating from a sonic black hole horizon formed in a cigar-shaped Bose-Einstein condensate (BEC) at finite temperature is investigated. In particular, we study the effect of HR on a dark (topological) soliton. We show that, due to thermal fluctuations, the dark soliton in the BEC displays a nonlinear Brownian motion resulting in a specific asymmetric diffusion. Based on numerical simulations we argue that the analog HR formed in the BEC can be detected indirectly through measurement of the dark soliton diffusion.

KW - Analog Hawking radiation

KW - Bose-Einstein condensation

KW - Solitons

UR - https://www.scopus.com/pages/publications/85065549467

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DO - 10.1016/j.physletb.2019.04.008

M3 - 文章

AN - SCOPUS:85065549467

SN - 0370-2693

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SP - 390

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JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

ER -

Soliton diffusion in a Bose-Einstein condensate: A signature of the analogue Hawking radiation

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Keywords

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