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Title: Relativistic superfluidity and vorticity from the nonlinear Klein-Gordon equation
Authors: Xiong, Chi
Good, Michael R. R.
Guo, Yulong
Liu, Xiaopei
Huang, Kerson
Keywords: DRNTU::Science::Physics::Atomic physics::Relativity physics
Issue Date: 2014
Source: Xiong, C., Good, M. R., Guo, Y., Liu, X., & Huang, K. (2014). Relativistic superfluidity and vorticity from the nonlinear Klein-Gordon equation. Physical review D, 90(12), 125019-.
Series/Report no.: Physical review D
Abstract: We investigate superfluidity, and the mechanism for creation of quantized vortices, in the relativistic regime. The general framework is a nonlinear Klein-Gordon equation in curved spacetime for a complex scalar field, whose phase dynamics gives rise to superfluidity. The mechanisms discussed are local inertial forces (Coriolis and centrifugal), and current-current interaction with an external source. The primary application is to cosmology, but we also discuss the reduction to the nonrelativistic nonlinear Schrödinger equation, which is widely used in describing superfluidity and vorticity in liquid helium and cold-trapped atomic gases.
ISSN: 1550-7998
DOI: 10.1103/PhysRevD.90.125019
Rights: © 2014 American Physical Society. This paper was published in Physical Review D and is made available as an electronic reprint (preprint) with permission of American Physical Society. The paper can be found at the following official DOI: [].  One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
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