Theoretical formulations on thermodynamics of quantum impurity systems
Hong Gong,
Yao Wang,
Hou-Dao Zhang
et al.
Abstract:In this work, we put forward the theoretical foundation toward thermodynamics of quantum impurity systems measurable in experiments. The theoretical developments involve the identifications on two types of thermodynamic entanglement free-energy spectral functions for impurity systems that can be either fermionic or bosonic or combined. Consider further the thermodynamic limit in which the hybrid environments satisfy the Gaussian-Wick's theorem. We then relate the thermodynamic spectral functions to the local q… Show more
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