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Tuesday, August 16, 2011 12:00 pm - 1:00 pm EDT (GMT -04:00)

Vladimir Korepin: Entanglement in quantum spin chains

Vladimir Korepin, Stony Brook

Abstract

The main subject of the lecture is entanglement spectrum. After a short introduction the author will consider density matrix of a large block of spins on infinite lattice. The spectrum will be compared for the cases of Heisenberg chain and VBS states. Potential applications will be discussed.

Tuesday, September 13, 2011 12:00 pm - 1:00 pm EDT (GMT -04:00)

Daniel Terno: Some discord about non-locality

Daniel Terno, Macquarie University

Abstract

I start from a quick overview of the popular definitions of the discord and their physical interpretation in terms of various Maxwell's demons. Then I present a case for discord not telling anything about the local distinguishability, but being useful for understanding of by-local gates.