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This Week at Physics

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Events on Monday, January 26th, 2015

Plasma Physics (Physics/ECE/NE 922) Seminar
Current redistribution and transport in the RFP
Time: 12:00 pm
Place: 1610 Engineering Hall
Speaker: Dr. Eli Parke, UW- Madison
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R. G. Herb Condensed Matter Seminar
Faculty Candidate Seminar
From Quantum Communications to Small Quantum Computers
Time: 4:00 pm
Place: 4274 Chamberlin Hall
Speaker: Graeme Smith, IBM TJ Watson Research Center
Abstract: Physical information carriers obey quantum laws. Taking proper account of this fact has led over the past few decades to profound generalizations of both communication and computation theory. First, I’ll discuss the central question in the theory of quantum communication: What are the capabilities of a noisy quantum communication link? Addressing this question leads us to concepts like entanglement, a fundamentally quantum form of correlations which turns out to be a remarkably useful resource, new capabilities such as unconditionally secure cryptographic key agreement, and classically impossible kinds of synergy between independent communication links. Second, I’ll discuss two key questions in the race to build a quantum computer: what can we do with a small quantum computer, and how can we know that we’ve done it? These will be central questions in the coming decade as the size of quantum computing experiments begins to outstrip our capacity to do effective modeling on classical machines.
Host: Coppersmith
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