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pro vyhledávání: '"Clark, T. D."'
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Publikováno v:
Phys. Rev. B 74, 094510 (2006)
A theoretical spectroscopic analysis of a microwave driven superconducting charge qubit (Cooper-pair box coupled) to an RLC oscillator model is performed. By treating the oscillator as a probe through the backreaction effect of the qubit on the oscil
Externí odkaz:
http://arxiv.org/abs/cond-mat/0510087
Publikováno v:
Phys. Rev. B 72, 014508 (2005)
In this paper we study, by analogy with quantum optics, the superconducting quantum interference device (SQUID) ring mediated quantum mechanical interaction of an input electromagnetic field oscillator mode with two or more output oscillator modes at
Externí odkaz:
http://arxiv.org/abs/cond-mat/0507712
Publikováno v:
PHYSICAL REVIEW B 72, 094509 (2005)
We consider the interaction of a quantum mechanical SQUID ring with a classical resonator (a parallel $LC$ tank circuit). In our model we assume that the evolution of the ring maintains its quantum mechanical nature, even though the circuit to which
Externí odkaz:
http://arxiv.org/abs/cond-mat/0505390
Publikováno v:
Phys Rev E 72, 066209 (2005)
The driven non-linear duffing osillator is a very good, and standard, example of a quantum mechanical system from which classical-like orbits can be recovered from unravellings of the master equation. In order to generated such trajectories in the ph
Externí odkaz:
http://arxiv.org/abs/quant-ph/0503185
Autor:
Clark, T. D., Prance, R. J., Whiteman, R., Prance, H., Everitt, M. J., Bulsara, A. R., Ralph, J. F.
Publikováno v:
Journal of Applied Physics -- September 15, 2001 -- Volume 90, Issue 6, pp. 3042-3047
In this paper we show that the radio frequency (rf) dynamical characteristics of a very strongly hysteretic SQUID ring, coupled to an rf tank circuit resonator, display relaxation oscillations. We demonstrate that the the overall form of these charac
Externí odkaz:
http://arxiv.org/abs/cond-mat/0411237
Autor:
Prance, H., Clark, T. D., Whiteman, R., Prance, R. J., Everitt, M. J., Stiffell, P., Ralph, J. F.
Publikováno v:
Phys. Rev. E 64, 016208 (2001)
In this paper we present experimental data on the frequency domain response of a SQUID ring (a Josephson weak link enclosed by a thick superconducting ring) coupled to a radio frequency (rf) tank circuit resonator. We show that with the ring weakly h
Externí odkaz:
http://arxiv.org/abs/cond-mat/0411139
Autor:
Everitt, M. J., Clark, T. D., Stiffell, P., Prance, H., Prance, R. J., Vourdas, A., Ralph, J. F.
Publikováno v:
Phys. Rev. B 64, 184517 (2001)
In this paper we investigate the behaviour of a fully quantum mechanical system consisting of a mesoscopic SQUID ring coupled to one or two electromagnetic field modes. We show that we can use a static magnetic flux threading the SQUID ring to contro
Externí odkaz:
http://arxiv.org/abs/cond-mat/0411115
Autor:
Everitt, M. J., Stiffell, P. B., Clark, T. D., Vourdas, A., Ralph, J. F., Prance, H., Prance, R. J.
Publikováno v:
Phys. Rev. B 63, 144530 (2001)
A quantum system comprising of a monochromatic electromagnetic field coupled to a SQUID ring with sinusoidal non-linearity, is studied. A magnetostatic flux $\Phi_{x}$ is also threading the SQUID ring, and is used to control the coupling between the
Externí odkaz:
http://arxiv.org/abs/cond-mat/0411057
Publikováno v:
New J. Phys. 7 (2005) 64
The apparent difficulty in recovering classical nonlinear dynamics and chaos from standard quantum mechanics has been the subject of a great deal of interest over the last twenty years. For open quantum systems - those coupled to a dissipative enviro
Externí odkaz:
http://arxiv.org/abs/quant-ph/0409112