Giant effective $g$-factor due to spin bifurcations in polariton condensates

Fuente: arXiv
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Autores principales: Bochin, A., Chestnov, I., Nalitov, A.
Formato: Preprint
Publicado: 2024
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author Bochin, A.
Chestnov, I.
Nalitov, A.
author_facet Bochin, A.
Chestnov, I.
Nalitov, A.
contents We predict giant susceptibility of spin-bifurcating polariton condensates to externally applied permanent magnetic field. In the presence of spin-anisotropic polariton-polariton interactions, the condensate spontaneously takes an elliptically polarised state, {whose perturbation dynamics can be interpreted in terms of the presence of strong effective magnetic field} significantly surpassing the external one. Surprisingly, this behaviour of the addressed strongly out-of-equilibrium system in the vicinity of a critical point exhibits intriguing analogy with the second-order phase transition. The predicted field-enhancement effect can be utilized for creation of topologically nontrivial states of Bogoliubov's excitations existing on top of the polariton condensate.
format Preprint
id arxiv_https___arxiv_org_abs_2405_01941
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Giant effective $g$-factor due to spin bifurcations in polariton condensates
Bochin, A.
Chestnov, I.
Nalitov, A.
Mesoscale and Nanoscale Physics
We predict giant susceptibility of spin-bifurcating polariton condensates to externally applied permanent magnetic field. In the presence of spin-anisotropic polariton-polariton interactions, the condensate spontaneously takes an elliptically polarised state, {whose perturbation dynamics can be interpreted in terms of the presence of strong effective magnetic field} significantly surpassing the external one. Surprisingly, this behaviour of the addressed strongly out-of-equilibrium system in the vicinity of a critical point exhibits intriguing analogy with the second-order phase transition. The predicted field-enhancement effect can be utilized for creation of topologically nontrivial states of Bogoliubov's excitations existing on top of the polariton condensate.
title Giant effective $g$-factor due to spin bifurcations in polariton condensates
topic Mesoscale and Nanoscale Physics
url https://arxiv.org/abs/2405.01941