Anomalies of a nonequilibrium spinor polariton condensate in a magnetic field

Anomalies of a nonequilibrium spinor polariton condensate in a magnetic field

We observe a strong variation of the Zeeman splitting of exciton polaritons in microcavities when switching between the linear regime, the polariton lasing, and photon lasing regimes. In the polariton lasing regime the sign of Zeeman splitting changes compared to the linear regime, while in the phot...

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Veröffentlicht in:Physical review letters 2014-03, Vol.112 (9), p.093902-093902, Article 093902
Hauptverfasser: Fischer, J, Brodbeck, S, Chernenko, A V, Lederer, I, Rahimi-Iman, A, Amthor, M, Kulakovskii, V D, Worschech, L, Kamp, M, Durnev, M, Schneider, C, Kavokin, A V, Höfling, S
Format: Artikel
Sprache:eng
Schlagworte:
Electromagnetic Fields
Lasing
Magnetic fields
Meissner effect
Microcavities
Models, Theoretical
Optics and Photonics - methods
Photons
Polaritons
Quantum Theory
Semiconductors
Splitting
Switching
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Zusammenfassung:We observe a strong variation of the Zeeman splitting of exciton polaritons in microcavities when switching between the linear regime, the polariton lasing, and photon lasing regimes. In the polariton lasing regime the sign of Zeeman splitting changes compared to the linear regime, while in the photon lasing regime the splitting vanishes. We additionally observe an increase of the diamagnetic shift in the polariton lasing regime. These effects are explained in terms of the nonequilibrium "spin Meissner effect."
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.112.093902