Two-channel Kondo behavior in the quantum XX chain with a boundary defect
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DOI: 10.1103/t78z-pyfr
Abstract: We demonstrate that a boundary defect in the single spin-$\frac{1}{2}$ quantum $XX$ chain exhibits two-channel Kondo physics. Due to the presence of the defect, the edge spin fractionalizes into two Majorana fermions, out of which… read more here.
Keywords: quantum chain; channel kondo; boundary defect; two channel ... See more keywords