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08-16
2012
Information theoretic security -- from classical to quantum ---
内容： We treat the security when a given random number is partially leaked to a third party. In this case, application of hash functions generates secure key. In this talk, we treat what kinds of has...
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07-02
2012
Occam's Quantum Razor: How Quantum Mechanics can reduce the complexity of Classi
Mathematical models are an essential component of quantitative science. They generate predictions about the future, based on information available in the present. In the spirit of Occam's razor, simpl...
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04-26
2012
Quantum Journal Club
内容： Title: Photonic quantum information processing Abstract: There are high fluctuations of the phase in the M-Z interference we did in the SPDC system, which is a big problem. I would like to disc...
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12-28
2011
Topological order, Entanglement, and Quantum Memory
内容： Topological orders describe novel states of matter that cannot be described in terms of symmetry and local order parameters. They feature degenerate, topologically protected ground states that ...
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03-15
2012
Quantum Journal Club
内容： Title: Optomechanical systems: cooling and detecting in quantum regime Abstract: Opto-mechanical systems have been studied intensively during the past several years. The current interest of t...
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03-08
2012
Quantum Journal Club
内容： Quantum discord is a new kind of quantum correlation different from entanglement, proposed in 2001, by H. Ollivier and H. Zurek (Physics Review Letters vol. 88, 017901) and, independently, by L...