Critical crossover phenomena driven by symmetry-breaking defects at quantum transitions.
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DOI: 10.1103/physreve.105.034139
Abstract: We study the effects of symmetry-breaking defects at continuous quantum transitions (CQTs) of homogeneous systems, which may arise from localized external fields coupled to the order-parameter operator. The problem is addressed within renormalization-group (RG) and… read more here.
Keywords: crossover phenomena; crossover; breaking defects; quantum transitions ... See more keywords