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6 papers · 2 filters
HYPER and gravitational decoherence
Serge Reynaud, Brahim Lamine, Astrid Lambrecht +2
We study the decoherence process associated with the scattering of stochastic backgrounds of gravitational waves. We show that it has a negligible influence on HYPER-like atomic in…
Non-linear and quantum optics of a type II OPO containing a birefringent element Part 2 : bright entangled beams generation
Laurent Longchambon, Julien Laurat, Thomas Coudreau +1
We describe theoretically the quantum properties of atype-II Optical Parametric Oscillator containing a birefringent plate which induces a linear coupling between the orthogonally…
Combinatorial Physics, Normal Order and Model Feynman Graphs
A. I. Solomon, P. Blasiak, G. Duchamp +2
The general normal ordering problem for boson strings is a combinatorial problem. In this note we restrict ourselves to single-mode boson monomials. This problem leads to elegant g…
The volume of separable states is super-doubly-exponentially small
Stanislaw Szarek
In this note we give sharp estimates on the volume of the set of separable states on N qubits. In particular, the magnitude of the "effective radius" of that set in the sense of vo…
Non-linear and quantum optics of a type II OPO containing a birefringent element Part 1: Classical operation
Laurent Longchambon, Julien Laurat, Thomas Coudreau +1
We describe theoretically the main characteristics of the steady state regime of a type II Optical Parametric Oscillator (OPO) containing a birefringent plate. In such a device the…
The Casimir force between rough metallic plates
Cyriaque Genet, Astrid Lambrecht, Paulo Maia Neto +1
The Casimir force between two metallic plates is affected by their roughness state. This effect is usually calculated through the so-called `proximity force approximation' which is…