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Entanglement Spectroscopy and its application to the fractional quantum Hall phases

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In this talk, we will give an overview of the entanglement spectroscopy with a focus on to the fractional quantum Hall phases.
We will show how much information is encoded within the ground state and how different partitions probe different types of excitations. The entanglement spectroscopy, initially introduced by Li and Haldane in the context of the fractional quantum Hall effects, has stimulated an extensive range of studies. The entanglement spectrum is the spectrum of the reduced density matrix, when we partition the system into two. For many quantum systems, it unveils a unique feature: Computed from the bulk ground state wave function, the entanglement spectrum give access to the physics of edge excitations.

Episode Information

People
Nicolas Regnault
Keywords
quantum
entanglement
matrices
Department: 
Date Added: 11/10/2016
Duration: 00:51:32

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