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Events - November 2014

Wednesday, November 26, 2014 — 4:00 PM EST

Dr. Carla Fehr holds the Wolfe Chair in Scientific and Technological Literacy in the Philosophy Department at the University of Waterloo. She conducts research on ways that diversity promotes innovation and excellence in science and technology. Dr.

Wednesday, November 19, 2014 — 12:00 PM to 1:00 PM EST

Leon Pintsov,  CEO SignitSure Inc, Chief Scientist Emeritus Pitney Bowes Inc

Tuesday, November 18, 2014 — 2:30 PM to 3:30 PM EST

Prasanna Venkatesh, Asia Pacific Center for Theoretical Physics

In the first part of the talk I will focus on resonant tunneling and directed transport of ultracold atoms that are strongly coupled to an optical lattice inside a ring-cavity and to which an uniform bias force is applied. The bias force induces Bloch oscillations causing amplitude and phase modulation of the lattice which resonantly modifies the site-to-site tunneling. We show how different aspects of the transport such as the direction and magnitude can be simply controlled by changing the cavity detuning.

Monday, November 17, 2014 — 2:30 PM to 3:30 PM EST

Xiaodi Wu, Massachusetts Institute of Technology

In this talk, I will present a stronger version of the Doherty-Parrilo-Spedalieri (DPS) hierarchy of approximations for the set of separable states. Unlike DPS, our hierarchy converges exactly at a finite number of rounds for any fixed input dimension. This yields an algorithm for separability testing which is singly exponential in dimension and poly-logarithmic in accuracy.

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