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On Thermodynamics of Glasses
Springer Science and Business Media LLC - Tập 5 - Trang 67-88 - 1998
Miroslav Grmela, Alain Cournoyer
The purpose of this paper is to give a clear meaning to thermodynamics of glasses and to provide a simple illustration. The paper does not offer any new contribution to the microscopic understanding of the glass transition phenomena. The analysis leading to the formulation of thermodynamics proceeds as follows. Let M-level and N-level be two levels of description that are found (by making a compar...... hiện toàn bộ
Self-Organized Criticality: Self-Organized Complexity? The Disorder and "Simple Complexities" of Power Law Distributions
Springer Science and Business Media LLC - - 2000
J. S. Shiner
Simple measures of complexity, showing either a monotonic or a convex dependence on disorder, are studied for rank ordered power law distributions, indicative of criticality, in the case where the total number of ranks is large. It is found that a pwoer law distribution may produce a high level of complexity only for a restricted range of system size (as measured by the total number of ranks), wit...... hiện toàn bộ
Geometry of Local Orbits in Three-Qubit Problem
Springer Science and Business Media LLC - - 2005
Gniewomir Sarbicki
The geometry of orbits of a group of local operations is analyzed. It depends on the form of orbit stabiliser and is found by knowing the stabiliser. Discrete stabilisers for generic orbits are obtained. We prove that local group acts freely on a generic orbit.
On Partially Entanglement Breaking Channels
Springer Science and Business Media LLC - Tập 13 Số 01 - Trang 17-26 - 2006
Dariusz Chruściński, Andrzej Kossakowski
Using well known duality between quantum maps and states of composite systems we introduce the notion of Schmidt number for a quantum channel. It enables one to define classes of quantum channels which partially break quantum entanglement. These classes generalize the well known class of entanglement breaking channels.
On Markovian Limit in Quantum Open Systems
Springer Science and Business Media LLC - Tập 09 Số 01 - Trang 1-18 - 2002
Andrzej Kossakowski
The dynamics of spherical harmonic oscillator interacting with radiation field is investigated. It is shown that the irreversibility of time evolution is due to the appearance of resonances. Reduced dynamics is given in terms of multi-time correlation functions in the Markovian limit, which includes higher order corrections in the coupling constant.
Riemannian and Finslerian geometry in thermodynamics
Springer Science and Business Media LLC - Tập 1 - Trang 379-396 - 1992
R. Mrugala
It is shown how the methods of Riemannian and Finslerian geometry may be used in thermodynamics of equilibrium and nonequilibrium states. In both cases the Riemannian structure on the spaces of thermodynamic parameters is defined by means of the relative information (entropy). Thermodynamic meaning of the Riemannian scalar curvature is then interpreted in terms of stability of the considered syste...... hiện toàn bộ
On the Reconstruction of Diagonal Elements of Density Matrix of Quantum Optical States by on/off Detectors
Springer Science and Business Media LLC - Tập 13 - Trang 333-341 - 2006
Giorgio Brida, Marco Genovese, Marco Gramegna, Matteo G. A. Paris, E. Predazzi, E. Cagliero
We discuss a scheme for reconstructing experimentally the diagonal elements of a density matrix representing quantum optical state. Applications to PDC heralded photons, multi-thermal and attenuated coherent states are illustrated and discussed in more detail.
Power Density Optimization for an Irreversible Closed Brayton Cycle
Springer Science and Business Media LLC - Tập 8 - Trang 241-260 - 2001
Lingen Chen, Junlin Zheng, Fengrui Sun, Chih Wu
In this paper, the power density, defined as the ratio of power output to the maximum specific volume in the cycle, is taken as objective for performance optimization of an irreversible closed Brayton cycle coupled to constant-temperature heat reservoirs in the viewpoint of finite time thermodynamics (FTT) or entropy generation minimization (EGM). The analytical formulas about the relations betwee...... hiện toàn bộ
How to Observe Quantum Fieldsand Recover Them From Observational Data? — Takesaki Duality as a Micro-Macro Duality
Springer Science and Business Media LLC - Tập 14 - Trang 307-318 - 2007
Izumi Ojima, Mitsuharu Takeori
On the basis of the mathematical notion of “micro-macro duality” for understanding mutual relations between microsopic quantum systems (micro) and their macroscopic manifestations (macro) in terms of the notion of sectors and order parameters, a general mathematical scheme is proposed for detecting the state-structure inside of a sector through measurement processes of a maximal abelian subalgebra...... hiện toàn bộ
A Nonlinear Transmission Lines
Springer Science and Business Media LLC - - 2000
Alexis De Vos
A nonlinear transmission line turns out to be a good model to describe what happens with information both during transmission of digital signals and during their manipulation by logic gates.
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