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Akademický článek
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Akademický článek
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Publikováno v:
Phys. Rev. E, 89, 042706, 2014
Recent theoretical studies show that decoherence process can enhance transport efficiency in quantum systems. This effect is known as environment-assisted quantum transport (ENAQT). The role of ENAQT in optimal quantum transport is well investigated,
Externí odkaz:
http://arxiv.org/abs/1405.2623
Publikováno v:
J. Chem. Phys. 138, 204309 (2013)
We explore various design principles for efficient excitation energy transport in complex quantum systems. We investigate energy transfer efficiency in randomly disordered geometries consisting of up to 20 chromophores to explore spatial and spectral
Externí odkaz:
http://arxiv.org/abs/1212.6804
Publikováno v:
PRA 84, 012107 (2011)
We develop an efficient and robust approach to Hamiltonian identification for multipartite quantum systems based on the method of compressed sensing. This work demonstrates that with only O(s log(d)) experimental configurations, consisting of random
Externí odkaz:
http://arxiv.org/abs/1002.1330
Autor:
Shabani, A., Kosut, R. L., Mohseni, M., Rabitz, H., Broome, M. A., Almeida, M. P., Fedrizzi, A., White, A. G.
Publikováno v:
Phys. Rev. Lett. 106, 100401 (2011)
The resources required to characterise the dynamics of engineered quantum systems-such as quantum computers and quantum sensors-grow exponentially with system size. Here we adapt techniques from compressive sensing to exponentially reduce the experim
Externí odkaz:
http://arxiv.org/abs/0910.5498
Publikováno v:
J. Phys. A 35, 8315--8339 (2002)
We demonstrate how structured decompositions of unitary operators can be employed to derive control schemes for finite-level quantum systems that require only sequences of simple control pulses such as square wave pulses with finite rise and decay ti
Externí odkaz:
http://arxiv.org/abs/quant-ph/0211042
Structured decompositions of a desired unitary operator are employed to derive control schemes that achieve certain control objectives for finite-level quantum systems using only sequences of simple control pulses such as square waves with finite ris
Externí odkaz:
http://arxiv.org/abs/quant-ph/0105155
Constructive methods for controlling a coupled, two spin system via bounded amplitude, piecewise sinusoidal fields are provided. The fields are incident at the alrmor frequencies and take one of two phase values
Comment: 21 pages, submitted to P
Comment: 21 pages, submitted to P
Externí odkaz:
http://arxiv.org/abs/quant-ph/0012019
Autor:
Vugmeister, B. E., Rabitz, H.
In a recent paper (A.E. Glazounov and A.K. Tagantsev, Phys.Rev. Lett. 85, 2192 (2000)) it has been proposed a phenomenological model of the dynamic non-linear response in relaxor ferroelectrics based on the averaging of the Landau-Khalatnikov equatio
Externí odkaz:
http://arxiv.org/abs/cond-mat/0011211