August 30, 2010 to September 24, 2010
Nordita
Europe/Stockholm timezone

Topological Entanglement in Fractional Quantum Hall Excitation Eigenstates

Sep 1, 2010, 1:30 PM
1h
132:028 (Nordita)

132:028

Nordita

Speaker

Zlakto Papic (Institute of Physics)

Description

Zlatko Papic: Entanglement in topological ordered states has so far been investigated through the perspective of the ground-state wave function. By presenting entanglement spectra of the (quasihole) excitations of fractional quantum Hall states, I will show their typical structure in Abelian, as well as non- Abelian cases of the Read-Rezayi sequence, including the realistic Coulomb-interaction ground states that they are believed to describe. I will argue that the excitation wave functions contain sufficient information to identify the system's topological order.

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