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cond-mat.str-el2010
Scaling Analysis in the Numerical Renormalization Group Study of the Sub-Ohmic Spin-Boson Model
Ning-Hua Tong, Yan-Hua Hou
The spin-boson model has nontrivial quantum phase transitions in the sub-Ohmic regime. For the bath spectra exponent , the bosonic numerical renormalization grou…
cond-mat.str-el2010★ 14 cited
Criticality of the Mean-Field Spin-Boson Model: Boson State Truncation and Its Scaling Analysis
Yan-Hua Hou, Ning-Hua Tong
The spin-boson model has nontrivial quantum phase transitions at zero temperature induced by the spin-boson coupling. The bosonic numerical renormalization group (BNRG) study of th…