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Two-cylinder entanglement entropy under a twist
Xiao Chen, William Witczak-Krempa, Thomas Faulkner +1
We study the von Neumann and Rényi entanglement entropy (EE) of scale-invariant theories defined on tori in 2+1 and 3+1 spacetime dimensions. We focus on spatial bi-partitions of t…
Out-of-time-order correlations in many-body localized and thermal phases
Xiao Chen, Tianci Zhou, David A. Huse +1
We use the out-of-time-order (OTO) correlators to study the slow dynamics in the many-body localized (MBL) phase. We investigate OTO correlators in the effective ("l-bit") model of…
Entanglement Entropy and Mutual Information of Circular Entangling Surfaces in 2 + 1-dimensional Quantum Lifshitz Model
Tianci Zhou, Xiao Chen, Thomas Faulkner +1
We investigate the entanglement entropy (EE) of circular entangling cuts in the 2+1-dimensional quantum Lifshitz model, whose ground state wave function is a spatially conformal in…
Wilson operator algebras and ground states for coupled BF theories
Apoorv Tiwari, Xiao Chen, Shinsei Ryu
The multi-flavor theories in (3+1) dimensions with cubic or quartic coupling are the simplest topological quantum field theories that can describe fractional braiding statisti…