Spin Charge Separation in the Quantum Spin Hall State

Details Spin Charge Separation in the Quantum Spin Hall State Spin Charge Separation in the Quantum Spin Hall State

2007-12-31

arxiv.org/abs/0801.0252v2

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

acknowledgement and references revised

Scientific paper

10.1103/PhysRevLett.101.086802

The quantum spin Hall state is a topologically non-trivial insulator state protected by the time reversal symmetry. We show that such a state always leads to spin-charge separation in the presence of a $\pi$ flux. Our result is generally valid for any interacting system. We present a proposal to experimentally observe the phenomenon of spin-charge separation in the recently discovered quantum spin Hall system.

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