Charge-density-wave states in double-layer graphene structures at a high magnetic field

Article

关键词: 2-DIMENSIONAL ELECTRON-GAS;    QUANTUM HALL SYSTEMS;    METAL-INSULATOR-TRANSITION;    HIGH LANDAU-LEVELS;    BILAYER WIGNER CRYSTAL;    LIQUID;    PHASES;    COMPRESSIBILITY;    STABILITY;    TRANSPORT;   

DOI  :  10.1103/PhysRevB.90.035404

来源: SCIE

【 摘 要 】

We study the phases of correlated charge-density waves that form in a high magnetic field in two parallel graphene flakes separated by a thin insulator. The predicted phases include the square and hexagonal charge-density-wave bubbles, and a quasi-one-dimensional stripe phase. We find that the transition temperature for such phases is within the experimentally accessible range and that formation of interlayer-correlated states produces a negative compressibility contribution to the differential capacitance of this system.

【 授权许可】

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