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Thursday, June 7, 2018 9:00 am - 9:00 am EDT (GMT -04:00)

Many-body States and Dynamics Workshop

On Thursday, June 7 the Institute for Quantum Computing (IQC) and the Perimeter Institute for Theoretical Physics (PI) will participate in the one-day Many-body States and Dynamics Workshop.

The goal of the workshop is to  describe ongoing efforts to experimentally realize quantum many-body states and dynamics, and discuss interesting classes of states and dynamics that could be targeted.

Thursday, June 28, 2018 10:00 am - 10:00 am EDT (GMT -04:00)

Selection of unitary operations in quantum secret sharing protocols without entanglement

Juan Xu - Nanjing University of Aeronautics and Astronautics

Quantum secret sharing (QSS) mainly deals with the splitting and distributing of an arbitrary secret among n sharers using quantum resources. While quantum secret sharing schemes often use shared entangled states, it is also possible to define a notion of quantum secret sharing without the use of entangled states.

Wednesday, July 4, 2018 11:00 am - 11:00 am EDT (GMT -04:00)

Nonlocal games with synchronous correlations

Brad Lackey, University of Maryland

A nonlocal game with a synchronous correlation is the ideal protocol for quantum key distribution. In this work we examine analogues of Bell's inequalities for synchronous correlations. We show that unlike in the nonsynchronous case (e.g. with the CHSH inequality) there can be no quantum Bell violation among synchronous correlations with two measurement settings. However we exhibit explicit analogues of Bell's inequalities for synchronous correlation with three measurement settings and two outputs that do admit quantum violations.

Monday, July 9, 2018 2:30 pm - 2:30 pm EDT (GMT -04:00)

Quantum metrology gets real

Konrad Banaszek - Centre of New Technologies, University of Warsaw

Quantum physics holds the promise of enhanced performance in metrology and sensing by exploiting non-classical phenomena such as multiparticle interference. Specific designs for quantum-enhanced schemes need to take into account noise and imperfections present in real-life implementations.