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cond-mat.str-el2024★ 2 cited
Entanglement flow in the Kane-Fisher quantum impurity problem
Chunyu Tan, Yuxiao Hang, Stephan Haas +1
The problem of a local impurity in a Luttinger liquid, just like the anisotropic Kondo problem (of which it is technically a cousin), describes many different physical systems. As…
cond-mat.str-el2020★ 6 cited
Detection of Topology via Entanglement Oscillations
Chunyu Tan, Hubert Saleur, Stephan Haas
We introduce a characterization of topological order based on bulk oscillations of the entanglement entropy and the definition of an `entanglement gap', showing that it is generall…