| Records |
| Author |
Trabesinger, Andreas |
Title  |
Quantum mechanics: Shaken foundations |
Type |
Journal Article |
| Year |
2009 |
Publication |
Nature Physics |
Abbreviated Journal |
Nat. Phys. |
| Volume |
5 |
Issue |
12 |
Pages |
863 |
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fromIPMRAS |
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no |
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RPLAB @ gujma @ |
Serial |
802 |
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| Author |
Esteban, Eduin; Serna, Hernandez |
| Title |
Quantum key distribution protocol with private-public key |
Type |
Journal Article |
| Year |
2009 |
Publication |
arXiv |
Abbreviated Journal |
arXiv |
| Volume |
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Issue |
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Pages |
3 |
| Keywords |
quantum cryptography; QKD; protocol |
| Abstract |
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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no |
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RPLAB @ gujma @ |
Serial |
756 |
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| Author |
Shor, Peter W. |
| Title |
Quantum information theory: The bits don't add up |
Type |
Journal Article |
| Year |
2009 |
Publication |
Nature Physics |
Abbreviated Journal |
Nat. Phys. |
| Volume |
5 |
Issue |
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Pages |
247 - 248 |
| Keywords |
fromIPMRAS |
| Abstract |
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 |
| Title |
Quantum Darwinism |
Type |
Journal Article |
| Year |
2009 |
Publication |
Nature Physics |
Abbreviated Journal |
Nat. Phys. |
| Volume |
5 |
Issue |
3 |
Pages |
181-188 |
| Keywords |
fromIPMRAS |
| Abstract |
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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RPLAB @ gujma @ |
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799 |
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Dauler, Eric; Kerman, Andrew; Robinson, Bryan; Yang, Joel; Voronov, Boris; Goltsman, Gregory; Hamilton, Scott; Berggren, Karl |
| Title |
Photon-number-resolution with sub-30-ps timing using multi-element superconducting nanowire single photon detectors |
Type |
Journal Article |
| Year |
2009 |
Publication |
J. Modern Opt. |
Abbreviated Journal |
J. Modern Opt. |
| Volume |
56 |
Issue |
2 |
Pages |
364-373 |
| Keywords |
PNR SSPD; SNSPD; photon-number-resolution; superconducting nanowire single photon detector; timing jitter; system detection efficiency |
| Abstract |
A photon-number-resolving detector based on a four-element superconducting nanowire single photon detector is demonstrated to have sub-30-ps resolution in measuring the arrival time of individual photons. This detector can be used to characterize the photon statistics of non-pulsed light sources and to mitigate dead-time effects in high-speed photon counting applications. Furthermore, a 25% system detection efficiency at 1550 nm was demonstrated, making the detector useful for both low-flux source characterization and high-speed photon-counting and quantum communication applications. The design, fabrication and testing of this detector are described, and a comparison between the measured and theoretical performance is presented. |
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no |
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RPLAB @ gujma @ |
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700 |
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