Zobrazeno 1 - 10
of 78
pro vyhledávání: '"Rau, Jochen"'
Autor:
Rau, Jochen
I develop a theoretical framework for inferring nonequilibrium equations of motion from incomplete experimental data. I focus on genuinely irreversible, Markovian processes, for which the incomplete data are given in the form of snapshots of the macr
Externí odkaz:
http://arxiv.org/abs/1503.06495
Autor:
Rau, Jochen
Publikováno v:
Physical Review A 90, 062114 (2014)
I investigate the extent to which the description of quantum systems by Gibbs states can be justified purely on the basis of tomographic data, without recourse to theoretical concepts such as infinite ensembles, environments, information, or to the s
Externí odkaz:
http://arxiv.org/abs/1404.2087
Publikováno v:
Physical Review A 86, 052109 (2012)
The decoherence rate is a nonlinear channel parameter that describes quantitatively the decay of the off-diagonal elements of a density operator in the decoherence basis. We address the question of how to experimentally access such a nonlinear parame
Externí odkaz:
http://arxiv.org/abs/1207.3053
Autor:
Rau, Jochen
Publikováno v:
Physical Review A 84, 052101 (2011)
I consider the generic situation where a finite number of identical test systems in varying (possibly unknown) initial states are subjected independently to the same unknown process. I show how one can infer from the output data alone whether or not
Externí odkaz:
http://arxiv.org/abs/1109.2570
Autor:
Rau, Jochen
Publikováno v:
Physics Letters A 376, 370-373 (2012)
In quantum state tomography, one potential source of error is uncontrolled contact of the system with a heat bath whose detailed properties are not known, and whose impact on the system moreover varies between different runs of the experiment. Precis
Externí odkaz:
http://arxiv.org/abs/1103.2803
Autor:
Rau, Jochen
Publikováno v:
M. A. del Olmo, M. Santander, and J. Mateos Guilarte, eds., Group Theoretical Methods in Physics, Vol. II, Anales de Fisica, Monografias 1, CIEMAT, Madrid, 1993, pp. 483-486
I present an analysis of the physical assumptions needed to obtain the metric structure of space-time. For this purpose I combine the axiomatic approach pioneered by Robb with ideas drawn from works on Weyl's "Raumproblem". The concept of a Lorentzia
Externí odkaz:
http://arxiv.org/abs/1009.5523