Zobrazeno 1 - 10
of 147
pro vyhledávání: '"Rammer, J."'
Autor:
Shelankov, A. L., Rammer, J.
Publikováno v:
EPL, 83, (2008) 60002
A method is presented that is able to predict the probability of outcomes of snapshot measurements, such as the images of the instantaneous particle density distribution in a quantum many-body system. It is shown that a gauge-like transformation of t
Externí odkaz:
http://arxiv.org/abs/0804.1944
Publikováno v:
Phys. Rev. B 75, 205319 (2007).
A nanomechanical resonator coupled to a tunnel junction is studied. The oscillator modulates the transmission of the junction, changing the current and the noise spectrum. The influence of the oscillator on the noise spectrum of the junction is inves
Externí odkaz:
http://arxiv.org/abs/cond-mat/0701247
Publikováno v:
Phys. Rev. B 72, 165347 (2005).
The charge transfer statistics of a tunnel junction coupled to a quantum object is studied using the charge projection technique. The joint dynamics of the quantum object and the number of charges transferred through the junction is described by the
Externí odkaz:
http://arxiv.org/abs/cond-mat/0506802
Publikováno v:
Phys. Rev. B 70, 115327 (2004).
Counting statistics of charge transfers in a point contact interacting with an arbitrary quantum system is studied. The theory for the charge specific density matrix is developed, allowing the evaluation of the probability of the outcome of any joint
Externí odkaz:
http://arxiv.org/abs/cond-mat/0401286
Autor:
Shelankov, A., Rammer, J.
Publikováno v:
Europhysics Letters, v. 63, pp. 485-491 (2003)
Charge transfer statistics of quantum particles is obtained by analysing the time evolution of the many-body wave function. Exploiting properly chosen gauge transformations, we construct the probabilities for transfers of a discrete number of particl
Externí odkaz:
http://arxiv.org/abs/cond-mat/0207343
Autor:
Yang, S. -R. Eric, Rammer, J.
The dependence of the localization length on the number of occupied subbands $N$ in low-dimensional semiconductors is investigated. The localization length is shown to be proportional to the number of occupied subbands in quasi-one-dimensional quantu
Externí odkaz:
http://arxiv.org/abs/cond-mat/9601116
Publikováno v:
ATM 2000. Proceedings of the IEEE Conference on High Performance Switching & Routing (Cat. No.00TH8485); 2000, p117-123, 7p
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