Geometric creation of quantum vorticity
Michael R.R. Good, Chi Xiong, Alvin J.K. Chua, Kerson Huang
TL;DR
This paper investigates how quantum vorticity arises in superfluids within rotating spacetimes, showing that rotation induces vortex formation in a scalar field modeled by a nonlinear Klein-Gordon equation.
Contribution
It introduces a geometric approach to quantum vorticity, demonstrating vortex nucleation in a superfluid scalar field due to spacetime rotation effects.
Findings
Rotation transfers angular momentum to the scalar field
Vortex nucleation occurs in the superfluid due to rotation
Numerical simulations confirm vortex formation
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 the vortex nucleation through numerical simulation.
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Taxonomy
TopicsSolar and Space Plasma Dynamics · Pulsars and Gravitational Waves Research · Cosmology and Gravitation Theories