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Author |
Trabesinger, Andreas |
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Title |
Quantum mechanics: Shaken foundations |
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Journal Article |
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2009 |
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Nature Physics |
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Nat. Phys. |
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5 |
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12 |
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863 |
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RPLAB @ gujma @ |
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802 |
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Author |
Shor, Peter W. |
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Title |
Quantum information theory: The bits don't add up |
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Journal Article |
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Year |
2009 |
Publication |
Nature Physics |
Abbreviated Journal |
Nat. Phys. |
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Volume |
5 |
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247 - 248 |
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A counterexample to the 'additivity question', the most celebrated open problem in the mathematical theory of quantum information, casts doubt on the possibility of finding a simple expression for the information capacity of a quantum channel. |
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no |
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RPLAB @ gujma @ |
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800 |
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Author |
Zurek, Wojciech Hubert |
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Title |
Quantum Darwinism |
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Journal Article |
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Year |
2009 |
Publication |
Nature Physics |
Abbreviated Journal |
Nat. Phys. |
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Volume |
5 |
Issue |
3 |
Pages |
181-188 |
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fromIPMRAS |
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Quantum Darwinism describes the proliferation, in the environment, of multiple records of selected states of a quantum system. It explains how the quantum fragility of a state of a single quantum system can lead to the classical robustness of states in their correlated multitude; shows how effective `wave-packet collapse' arises as a result of the proliferation throughout the environment of imprints of the state of the system; and provides a framework for the derivation of Born's rule, which relates the probabilities of detecting states to their amplitudes. Taken together, these three advances mark considerable progress towards settling the quantum measurement problem. |
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no |
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RPLAB @ gujma @ |
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799 |
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Author |
Esteban, Eduin; Serna, Hernandez |
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Title |
Quantum key distribution protocol with private-public key |
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Journal Article |
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Year |
2009 |
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arXiv |
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arXiv |
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3 |
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quantum cryptography; QKD; protocol |
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A quantum cryptographic protocol based in public key cryptography combinations and private key cryptography is presented. Unlike the BB84 protocol 1 and its many variants 2,3 two quantum channels are used. The present research does not make reconciliation mechanisms of information to derive the key. A three related system of key distribution are described. |
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arXiv: 0908.2146 |
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RPLAB @ gujma @ |
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756 |
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Author |
Bharadwaj, Palash; Deutsch, Bradley; Novotny, Lukas |
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Title |
Optical Antennas |
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Journal Article |
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Year |
2009 |
Publication |
Advances in Optics and Photonics |
Abbreviated Journal |
Adv. Opt. Photon |
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Volume |
1 |
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Pages |
438-483 |
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Keywords |
optical antennas |
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Abstract |
Optical antennas are an emerging concept in physical optics. Similar to radiowave
and microwave antennas, their purpose is to convert the energy of free propagating radiation to localized energy, and vice versa. Optical antennas exploit the unique properties of metal nanostructures, which behave as strongly coupled plasmas at ptical frequencies. The tutorial provides an account of the historical origins and the basic concepts and parameters associated with optical antennas. It also reviews recent work in the field and discusses areas of application, such as light-emitting devices, photovoltaics, and spectroscopy. |
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RPLAB @ gujma @ |
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754 |
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