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Dynamical Generation of Spin Current and Phase Slip in Exciton-Polariton Condensates

by S. J. Chen, S. D. Guo and Bo Xiong

Submission summary

As Contributors: Bo Xiong
Preprint link: scipost_202104_00013v1
Date submitted: 2021-04-09 04:02
Submitted by: Xiong, Bo
Submitted to: SciPost Physics
Academic field: Physics
Specialties:
  • Atomic, Molecular and Optical Physics - Theory
Approaches: Theoretical, Computational

Abstract

We show that how to generate propagation of spin degree in spin-symmetric exciton-polariton condensates in a semiconductor microcavity. Due to the stimulated spin-dependent scattering between hot excitons and condensates, exciton polaritons form a circular polarized condensate with spontaneous breaking of the spin rotation symmetry. The spin antiferromagnetic state is developed evidently from the density and spin flow pumped by localized laser source. The low energy spin current is identified where the steady state is characterized by the oscillating spin pattern. Finally, we predict via simulation how to dynamical generation of phase slip where ring-shape phase jump shows the behavior of splitting and joining together.

Current status:
Editor-in-charge assigned


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Submission scipost_202104_00013v1 on 9 April 2021

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