Synchronized full vortices as topological spin-Meissner states in spinor exciton-polariton condensates

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Title:	Synchronized full vortices as topological spin-Meissner states in spinor exciton-polariton condensates
Authors:	Cheng, SC (Cheng, Szu-Cheng) Jheng, SD (Jheng, Shih-Da) Chen, TW (Chen, Ting-Wei)
Contributors:	光電物理學系
Date:	2021-02-01
Issue Date:	2021-04-14 16:06:26 (UTC+8)
Abstract:	The spin-Meissner effect is a phenomenon in which the Zeeman energy splitting of a spinor exciton-polariton condensate in a magnetic field is suppressed. If a topological state shows this effect, the state is called the topological spin-Meissner (TSM) state. We found that a vortex state of a spinor MPC in which each spin component carries a phase singularity in a magnetic field could be a TSM state. The physical properties of a TSM state in full vortices are affected by nonlinear spin-anisotropic interactions among polaritons, spin-flipping rates, and Zeeman energy splitting. Bistable TSM states in full vortices exist, as the magnetic field strength is below a critical strength, which depends on the pump power. The distributions of the degrees of circular polarization of full vortices are also studied. (C) 2021 Optical Society of America
Relation:	JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS 卷冊: 38 期: 2 頁數: 544-549
Appears in Collections:	[Department of Physics ] journal articles

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