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Quantum Error Correction: from theory to practice
报告题目  Quantum Error Correction: from theory to practice
报告人  Prof. Raymond Laflamme
报告人单位  Executive Director, Institute for Quantum Computing (IQC),
 Waterloo University, Canada
报告时间  2012年11月1日(星期四)上午10:00
报告地点  中国科学技术大学微尺度国家实验室9004会议室
主办单位  量子信息与量子科技前沿协同创新中心
报告介绍

The Achilles' heel of quantum information processors is the fragility of quantum states and processes. Without a method to control imperfection and imprecision of quantum devices, the probability that a quantum computation succeed will decrease exponentially in the number of gates it requires. In the last fifteen years, building on the discovery of quantum error correction, accuracy threshold theorems were proved showing that errors can be controlled using a reasonable amount of resources as long as the error rate is smaller than a certain threshold. We thus have a scalable theory describing  how to control quantum systems. I will briefly review some of the assumptions of the accuracy threshold theorems and comment on experiments that have been done and should be done to turn quantum error correction into an experimental Reality.

Speaker:

Raymond Laflamme was born in Quebec City and did his undergraduate studies in Physics at Universite Laval. He then moved to Cambridge, England, where he survived Part III of Mathematical Tripos before earning his PhD in the Department of Applied Mathematics and Theoretical Physics (DAMTP) under the direction of Stephen Hawking. Laflamme and Don Page are responsible for having changed Hawking's mind on the direction of time in a contracting Universe (as described in Hawking’s best-seller "A Brief History of Time"). From 1988-1992, Laflamme held a Killam Postdoctoral fellowship at UBC, and a Postdoctoral fellowship at Peterhouse College, University of Cambridge. From 1992-2001, Prof. Laflamme worked as a research scientist at Los Alamos Research Laboratory, where his interests shifted from cosmology to quantum computing. In 2001 he joined the newly founded Perimeter Institute for Theoretical Physics and the University of Waterloo, where he and Michele Mosca founded the Institute for Quantum Computing. Laflamme holds a Canada Research Chair (CRC) in Quantum Information, and is a respected pioneer and leader in quantum information processing.

 


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