期刊
PHYSICAL REVIEW B
卷 106, 期 24, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.106.245309
关键词
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资金
- National Science Foundation [DMR-2004570]
- Saint Petersburg State University [91182694]
- Moscow Institute of Physics and Technology
This study presents observations of a nonequilibrium polariton condensate injected in a quasi-1D ring, revealing the existence of circular polarization precession and the influence of zitterbewegung behavior on the motion of polaritons.
It is now routine to make Bose-Einstein condensates of polaritons with long enough lifetime and low enough disorder to travel ballistically for hundreds of microns in quasi-one-dimensional (1D) wires. We present observations of a nonequilibrium polariton condensate injected at one point in a quasi-1D ring, with a well-defined initial velocity and direction. A clear precession of the circular polarization is seen, which arises from an effective spin-orbit-coupling term in the Hamiltonian. Our theoretical model accurately predicts the experimentally observed behavior and shows that zitterbewegung behavior plays a role in the motion of the polaritons.
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