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quant-ph2015
Symmetry and Explicit Marking of the Critical Phase in Two-Bath Spin-Boson Model
Yao Yao, Nengji Zhou, Javier Prior +1
The spin-boson model is a paradigm for studying decoherence, relaxation, entanglement and other effects that arise in a quantum system coupled to environmental degrees of freedom.…
quant-ph2014★ 17 cited
Spin-Boson Model with Diagonal and Off-Diagonal Coupling to Two Independent Baths: Ground-State Phase Transition in the Deep Sub-Ohmic Regime
Yang Zhao, Yao Yao, Vladimir Chernyak
We investigate a spin-boson model with two boson baths that are coupled to two perpendicular components of the spin by employing the density matrix renormalization group method wit…