Entanglement entropy and localization in disordered quantum chains

Abstract

This chapter addresses the question of quantum entanglement in disordered chains, focusing on the von-Neumann and Rényi entropies for three important classes of random systems: Anderson localized, infinite randomness criticality, and many-body localization (MBL). We review previous works, and also present new results for the entanglement entropy of random spin chains at low and high energy.

arXiv commentChapter book in "Entanglement in Spin Chains - From Theory to Quantum Technology Applications", Bayat, A., Bose, S., Johannesson, H. (eds)

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