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arxiv: 1310.6588 · v1 · pith:U5M6V2MQnew · submitted 2013-10-24 · ❄️ cond-mat.mes-hall · cond-mat.quant-gas

High-Speed DC Magnetricity in Spinor Polariton Condensates

classification ❄️ cond-mat.mes-hall cond-mat.quant-gas
keywords magnetichalf-solitonscondensatescurrentdensitiesmonopolespolaritonaccelerated
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We investigate the spin dynamics of half-solitons in polariton Bose-Einstein condensates. Half-solitons, which behave as magnetic monopoles, can be accelerated in the presence of the effective magnetic field of the microcavity. We study the generation of DC magnetic currents in a gas of half-solitons. At low densities, the current is suppressed due to the dipolar oscillations. At moderate densities, a magnetic current is recovered as a consequence of the collisions between the carriers. We show a deviation from Ohm's law due to the competition between magnetic dipoles and monopoles.

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