Quantum parameter space of dissipative directed transport
نویسندگان
چکیده
منابع مشابه
Dissipative Transport
Nonequilibrium stationary states (NESS) describe the state of a mechanical system driven and maintained out of equilibrium by external forces. The main characteristic of a NESS is that it sustains sustain steady flows or equivalently that it exhibits positive entropy production. We discuss general features of the fluctuations of the entropy production and corresponding flows. The NESS and the e...
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We report on a study of the effect upon electrical transport of spinwave scattering from charged quasiparticles in ν = 1 quantum Hall ferromagnets (QHFs), including both Heisenberg (single layer) and easy-plane (bilayer) cases. We derive a quantum Langevin equation to describe the resulting diffusive motion of the charged particle and use this to calculate the contribution to low temperature co...
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Chung-Hou Chung,1,2 Karyn Le Hur,3,4 Gleb Finkelstein,5 Matthias Vojta,6 and Peter Wölfle7,8 1Department of Electrophysics, National Chiao-Tung University, HsinChu, Taiwan, Republic of China 2Physics Division, National Center for Theoretical Sciences, HsinChu, Taiwan, Republic of China 3Center for Theoretical Physics Ecole Polytechnique and CNRS 91128 Palaiseau, France 4Department of Physics an...
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We introduce an atomistic approach to the dissipative quantum dynamics of charged or neutral excitations propagating through macromolecular systems. Using the Feynman-Vernon path integral formalism, we analytically trace out from the density matrix the atomic coordinates and the heat bath degrees of freedom. This way we obtain an effective field theory which describes the real-time evolution of...
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Complex potentials have been used in the past to simulate dissipative processes, but the normal form of a simple constant term of the form τ / h i serves only to trap/detrap particles and does not properly introduce a process which relaxes a dynamic operator/variable [1]. We have treated a general non-Hermitian Hamiltonian operator, and have developed a modified time-dependent solution of the d...
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ژورنال
عنوان ژورنال: Physical Review E
سال: 2015
ISSN: 1539-3755,1550-2376
DOI: 10.1103/physreve.91.010903