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67 papers · 1 filter
A Mathematical Justification for the Herman-Kluk Propagator
Torben Swart, Vidian Rousse
A class of Fourier Integral Operators which converge to the unitary group of the Schroedinger equation in semiclassical limit $\eps\to 0$ is constructed. The convergence is in the…
Mesoscopic photon heat transistor
Teemu Ojanen, Antti-Pekka Jauho
We show that the heat transport between two bodies, mediated by electromagnetic fluctuations, can be controlled with an intermediate quantum circuit - leading to the device concept…
Spin-droplets in confined quantum Hall systems
E. Rasanen, H. Saarikoski, A. Harju +2
Two-dimensional semiconductor quantum dots are studied in the the filling-factor range 2<v<3. We find both theoretical and experimental evidence of a collective many-body phenomeno…
Smearing Distributions and their use in Financial Markets
Petr Jizba, Hagen Kleinert
It is shown that superpositions of path integrals with arbitrary Hamiltonians and different scaling parameters v ("variances") obey the Chapman-Kolmogorov relation for Markovian pr…
Temperature-induced reversal of magnetic interlayer exchange coupling
K. M. Doebrich, M. Wietstruk, J. E. Prieto +4
For epitaxial trilayers of the magnetic rare-earth metals Gd and Tb, exchange coupled through a non-magnetic Y spacer layer, element-specific hysteresis loops were recorded by the…
Some aspects of fractional diffusion equations of single and distributed order
Francesco Mainardi, Gianni Pagnini, Rudolf Gorenflo
The time fractional diffusion equation is obtained from the standard diffusion equation by replacing the first-order time derivative with a fractional derivative of order $β\in (0,…