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| Author |
Lupascu, Adrian |
| Title |
Nonlinear dynamics: Quantum pendula locked in |
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Journal Article |
| Year |
2011 |
Publication |
Nature Physics |
Abbreviated Journal |
Nat. Phys. |
| Volume |
7 |
Issue |
2 |
Pages  |
100-101 |
| Keywords |
fromIPMRAS |
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A study of the autoresonant behaviour of a superconducting pendulum reveals that quantum fluctuations determine only the initial oscillator motion and not its subsequent dynamics. This could be important in the development of more efficient methods for reading solid-state qubits. |
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no |
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RPLAB @ gujma @ |
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840 |
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| Author |
Korotkov, Alexander N. |
| Title |
Entanglement preservation: The Sleeping Beauty approach |
Type |
Journal Article |
| Year |
2012 |
Publication |
Nature Physics |
Abbreviated Journal |
Nat. Phys. |
| Volume |
8 |
Issue |
2 |
Pages |
107-108 |
| Keywords |
fromIPMRAS |
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Two-qubit entanglement can be preserved by partially measuring the qubits to leave them in a 'lethargic' state. The original state is restored using quantum measurement reversal after the qubits have travelled through a decoherence channel. |
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no |
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RPLAB @ gujma @ |
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814 |
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| Author |
Hollenberg, Lloyd C. L. |
| Title |
Quantum control: Through the quantum chicane |
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Journal Article |
| Year |
2012 |
Publication |
Nature Physics |
Abbreviated Journal |
Nat. Phys. |
| Volume |
8 |
Issue |
2 |
Pages |
113-114 |
| Keywords |
fromIPMRAS |
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In quantum control there is an inherent tension between high fidelity requirements and the need for speed to avoid decoherence. A direct comparison of quantum control protocols at these two extremes indicates where the sweet spot may lie. |
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812 |
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Kim, Yong-Su; Lee, Jong-Chan; Kwon, Osung; Kim, Yoon-Ho |
| Title |
Protecting entanglement from decoherence using weak measurement and quantum measurement reversal |
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Journal Article |
| Year |
2012 |
Publication |
Nature Physics |
Abbreviated Journal |
Nat. Phys. |
| Volume |
8 |
Issue |
2 |
Pages |
117-120 |
| Keywords |
fromIPMRAS |
| Abstract |
Decoherence, often caused by unavoidable coupling with the environment, leads to degradation of quantum coherence. For a multipartite quantum system, decoherence leads to degradation of entanglement and, in certain cases, entanglement sudden death. Tackling decoherence, thus, is a critical issue faced in quantum information, as entanglement is a vital resource for many quantum information applications including quantum computing, quantum cryptography, quantum teleportation and quantum metrology. Here, we propose and demonstrate a scheme to protect entanglement from decoherence. Our entanglement protection scheme makes use of the quantum measurement itself for actively battling against decoherence and it can effectively circumvent even entanglement sudden death. |
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RPLAB @ gujma @ |
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815 |
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| Author |
Goulielmakis, Eleftherios |
| Title |
Attosecond photonics: Extreme ultraviolet catastrophes |
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Journal Article |
| Year |
2012 |
Publication |
Nature Photonics |
Abbreviated Journal |
Nat. Photon. |
| Volume |
6 |
Issue |
3 |
Pages |
142-143 |
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fromIPMRAS |
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Extreme ultraviolet attosecond pulses, which emerge from the interaction of atoms with intense laser fields, play a central role in modern ultrafast science and the exploration of electron behaviour. Recent work now shows that catastrophe theory can help optimize the properties of these pulses. |
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RPLAB @ gujma @ |
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791 |
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