976 citations
- Centre National de la Recherche ScientifiqueFR49 papers
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13 papers · 1 filter
Diamagnetic expansions for perfect quantum gases II: uniform bounds
Philippe Briet, Horia D. Cornean, Delphine Louis
Consider a charged, perfect quantum gas, in the effective mass approximation, and in the grand-canonical ensemble. We prove in this paper that the generalized magnetic susceptibili…
Modulation of surface plasmon coupling-in by one-dimensional surface corrugation
F. Lopez-Tejeira, Sergio G. Rodrigo, L. Martin-Moreno +10
Surface plasmon-polaritons have recently attracted renewed interest in the scientific community for their potential in sub-wavelength optics, light generation and non-destructive s…
Bounding the number of rational places using Weierstrass semigroups
Olav Geil, Ryutaroh Matsumoto
Let Lambda be a numerical semigroup. Assume there exists an algebraic function field over GF(q) in one variable which possesses a rational place that has Lambda as its Weierstrass…
The effect of time-dependent coupling on non-equilibrium steady states
Horia D. Cornean, Hagen Neidhardt, Valentin A. Zagrebnov
Consider (for simplicity) two one-dimensional semi-infinite leads coupled to a quantum well via time dependent point interactions. In the remote past the system is decoupled, and e…
Optimally localized Wannier functions for quasi one-dimensional nonperiodic insulators
H. D. Cornean, A. Nenciu, G. Nenciu
It is proved that for general, not necessarily periodic quasi one dimensional systems, the band position operator corresponding to an isolated part of the energy spectrum has discr…
A convenient category for directed homotopy
L. Fajstrup, J. Rosicky
We propose a convenient category for directed homotopy consisting of preordered topological spaces generated by cubes. Its main advantage is that, like the category of topological…