Geometric creation of quantum vorticity

Michael R R Good; Chi Xiong; Alvin J K Chua; Kerson Huang

doi:10.1088/1367-2630/18/11/113018

Geometric creation of quantum vorticity

Michael R R Good, Chi Xiong, Alvin J K Chua, Kerson Huang

Department of Physics

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

6 Citations (Scopus)

Abstract

We consider superfluidity and quantum vorticity in rotating spacetimes. The system is described by a complex scalar satisfying a nonlinear Klein-Gordon equation. Rotation terms are identified and found to lead to the transfer of angular momentum of the spacetime to the scalar field. The scalar field responds by rotating, physically behaving as a superfluid, through the creation of quantized vortices. We demonstrate vortex nucleation through numerical simulation.

Original language	English
Article number	113018
Journal	New Journal of Physics
Volume	18
Issue number	11
DOIs	https://doi.org/10.1088/1367-2630/18/11/113018
Publication status	Published - Nov 2016

Keywords

BTZ metric
Kerr metric
quantum vorticity

ASJC Scopus subject areas

Physics and Astronomy(all)

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AU - Chua, Alvin J K

AU - Huang, Kerson

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AB - We consider superfluidity and quantum vorticity in rotating spacetimes. The system is described by a complex scalar satisfying a nonlinear Klein-Gordon equation. Rotation terms are identified and found to lead to the transfer of angular momentum of the spacetime to the scalar field. The scalar field responds by rotating, physically behaving as a superfluid, through the creation of quantized vortices. We demonstrate vortex nucleation through numerical simulation.

KW - BTZ metric

KW - Kerr metric

KW - quantum vorticity

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