Wednesday, April 27, 2016 — 9:00 AM EDT
Yuval Sanders

Yuval Sanders of the Department of Physics and Astronomy will be defending his thesis:

Characterizing Errors in Quantum Information Processors

Yuval is supervised by Professors Raymond Laflamme and Frank Wilhelm-Mauch.

Monday, April 25, 2016 — 1:00 PM EDT

Multicolor quantum channels for nanowire-based photonic devices 

Wayne Cheng-Wei Huang, University of Nebraska-Lincoln 

Using a two-color laser field and tungsten nanotips, we showed that multicolor quantum channels led to a twofold increase in quantum efficiency. By gating quantum efficiency with pulse delay, optical control of electron photoemission was attained for fields with modest intensity. In this talk, I will discuss the observed effect and potential applications for nanowire-based photonics transistors and ultrafast spin-polarized electron sources. 

Thursday, April 21, 2016 — 12:00 PM EDT

Tensor Rank and Entanglement Transformation between Multipartite Pure States

Cheng Guo, Tsinghua University & University of Technology, Sydney

Monday, April 18, 2016 — 2:30 PM EDT

Finding non-signalling agents and subsystems in global theories

Lidia del Rio, University of Bristol

How can we find operational notions of local agents within a global theory? In this talk, I will present an operational way to model the effective state spaces of individual agents, as well as the range of their actions. I will then address the aspects of locality relevant to derive independence and non-signalling conditions between agents. This approach establishes an operational connection between local action and local observations, and gives a global interpretation to concepts like discarding a subsystem or composing local functions.

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