首页|Exciton Bose-Einstein Condensation in Transition Metal Dichalcogenide Monolayer under In-Plane Magnetic Fields
Exciton Bose-Einstein Condensation in Transition Metal Dichalcogenide Monolayer under In-Plane Magnetic Fields
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Based on the Gross-Pitaevskii equation,we theoretically investigate exciton Bose-Einstein condensation(BEC)in transition metal dichalcogenide monolayers(TMDC-MLs)under in-plane magnetic fields.We observe that the in-plane magnetic fields exert a strong influence on the exciton BEC wave functions in TMDC-MLs because of the mixing of the bright and dark exciton states via Zeeman effect.This leads to the brightening of the dark exciton BEC states.The competition between the dipole-dipole interactions caused by the long-range Coulomb interaction and the Zeeman effect induced by the in-plane magnetic fields can effectively regulate dark exciton BEC states.Our findings emphasize the utility of TMD-MLs as platforms for investigating collective phenomenon involving excited states.
王登峰、陈颖达、牛智川、娄文凯、常凯
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SKLSM,Institute of Semiconductors,Chinese Academy of Sciences,Beijing 100083,China
College of Materials Science and Opto-electronic Technology,Center of Materials Science and Optoelectronics Engineering,University of Chinese Academy of Sciences,Beijing 100049,China
School of Physics,Zhejiang University,Hangzhou 310027,China
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