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Long-range quantum entanglement in metals
  AlbaNova and Nordita Colloquium

Thursday 12 November 2015
from 15:15 to 16:15
Speaker : Subir Sachdev (Harvard)
Abstract : Long-range quantum entanglement is now understood to be a fundamental characteristic of exotic states of quantum matter with an energy gap to all excitations: these include the fractional quantum Hall states found at very high magnetic fields, and certain insulators with possible spin-liquid states. However, such entanglement can also be present in gapless, conducting states of matter (‘metals’ ) found under more ordinary conditions. I will describe recent experiments on the cuprate compounds, and on graphene, which are consistent with the presence of novel metallic states with long-range entanglement.

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