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cond-mat.str-el2023★ 30 cited
Grassmann Time-Evolving Matrix Product Operators for Quantum Impurity Models
Ruofan Chen, Xiansong Xu, Chu Guo
The time-evolving matrix product operators (TEMPO) method, which makes full use of the Feynman-Vernon influence functional, is the state-of-the-art tensor network method for bosoni…
quant-ph2023
Fidelity Out-of-Time-Order Correlator in the Spin-Boson Model
Ruofan Chen
In this article, using the numerically exact time-evolving matrix product operators method, we study the fidelity out-of-time-order correlator (FOTOC) in the unbiased spin-boson mo…