Rényi entropy singularities as signatures of topological criticality in coupled photon-fermion systems

F. P. M. Méndez-Córdoba,J. J. Mendoza-Arenas,F. J. Gomez-Ruiz,Ferney Rodriguez,Carlos Tejedor,Luis Quiroga

Rényi entropy singularities as signatures of topological criticality in coupled photon-fermion systems

2020

F. P. M. Méndez-Córdoba
J. J. Mendoza-Arenas
F. J. Gomez-Ruiz
Ferney Rodriguez
Carlos Tejedor
Luis Quiroga

This work reports a direct relation between a quantum entanglement entropy and photon observables for a topological chain embedded in a microwave cavity.

Keywords:

Observable
Microwave cavity
Fermion
Quantum entanglement
Criticality
Photon
Rényi entropy
Topology
Gravitational singularity
Physics

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