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10-31
2014
Beating Classical Communication Resources by Quantum Communication
内容： The area of quantum communication complexity searches for communication tasks that can be solved more efficiently using quantum states as carriers of information rather than their classical cou...
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10-31
2014
QUIC talk: Permutation-invariant quantum codes with Heisenberg ferromagnets
内容： A quantum code is a subspace of a Hilbert space of a physical system chosen to be correctable against a given class of errors, where information can be encoded. Ideally, the quantum code lies w...
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10-30
2014
Quantum Journal Club: Experimental realization of a Szilard engine with a singl
内容： The most succinct manifestation of the second law of thermodynamics is the limitation imposed by the Landauer principle on the amount of heat a Maxwell demon (MD) can convert into free energy p...
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10-30
2014
Quantum Journal Club: Experimental Characterization of Bosonic Creation and Anni
内容： The photon creation and annihilation operators are cornerstones of the quantum description of the electromagnetic field. They signify the isomorphism of the optical Hilbert space to that of the...
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10-30
2014
Optical Quantum Metrology in Lossy Systems
内容： Quantum metrology aims to harness the power of quantum mechanics to make ultra-precise measurements. A crucial advantage of quantum metrology is that it provides high precision with a significa...
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10-30
2014
Test of quantum commutation relations
内容： The uncertainty principle is at the very heart of quantum mechanics. Position, x, and momentum, p, are important physical observables to determine the mechanical properties of a system. In quan...