Realization of 2-channel Kondo effect in a junction of three quantum Ising chains
classification
❄️ cond-mat.str-el
math-phmath.MP
keywords
isingjunctionchainschannelkondomodelquantumspin
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It is shown that a junction of three quantum Ising chains ($\Delta$-junction) can be described as the 2-channel Kondo model in a box which size is of the order of the Ising model correlation length with spin S=1/2 localized at the junction. The local spin is composed of the zero energy boundary Majorana modes of the Ising models.
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