Interacting two helical edge modes in quantum spin Hall systems
classification
❄️ cond-mat.supr-con
cond-mat.mes-hall
keywords
spinhallhelicalinteractingliquidmodesquantumsystems
read the original abstract
We study theoretically the two interacting one-dimensional helical modes at the edges of the quantum spin Hall systems. A new type of inter-edge correlated liquid (IECL) without the spin gap is found. This liquid shows the diverging density wave (DW) and superconductivity (SC) correlations much stronger than those of the spinfull electrons. Possible experimental observations are also discussed.
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