publications

Application of a trace formula to the spectra of flat three-dimensional dielectric resonators

S. Bittner 1, E. Bogomolny 2, B. Dietz 3, M. Miski-Oglu 3, A. Richter 1, 4 Physical Review E 85 (2012) 026203 The length spectra of flat three-dimensional dielectric resonators of circular shape were determined from a microwave experiment. They were compared to a semiclassical trace formula obtained within a two-dimensional model based on the effective index of refraction approximation and a good agreement was found. […]

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Aging of rotational diffusion in colloidal gels and glasses

S. Jabbari-Farouji 1, 2, G. H. Wegdam 2, Daniel Bonn 3 Physical Review E 86 (2012) 041401 We study the rotational diffusion of aging Laponite suspensions for a wide range of concentrations using depolarized dynamic light scattering. The measured orientational correlation functions undergo an ergodic to non-ergodic transition that is characterized by a concentration-dependent ergodicity-breaking time. We find that the relaxation times

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A two-dimensional one component plasma and a test charge : polarization effects and effective potential

G. Téllez 1, E. Trizac 2 Journal of Statistical Physics 146 (2012) 832-849 We study the effective interactions between a test charge Q and a one-component plasma, i.e. a complex made up of mobile point particles with charge q, and a uniform oppositely charged background. The background has the form of a flat disk, in which the mobile charges

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Optical flux lattices for two-photon dressed states – Archive ouverte HAL

N. R. Cooper 1, 2 J. Dalibard 3 N. R. Cooper, J. Dalibard. Optical flux lattices for two-photon dressed states. EPL : Europhysics Letters, 2011, 95 (6), pp.66004. ⟨10.1209/0295-5075/95/66004⟩. ⟨hal-03740657⟩ We describe a simple scheme by which « optical flux lattices » can be implemented in ultracold atomic gases using two-photon dressed states. This scheme can be

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Randomizing Genome-Scale Metabolic Networks – Archive ouverte HAL

Areejit Samal 1, 2 Olivier C. Martin 3, 4 Areejit Samal, Olivier C. Martin. Randomizing Genome-Scale Metabolic Networks. PLoS ONE, Public Library of Science, 2011, 6 (7), ⟨10.1371/journal.pone.0022295⟩. ⟨hal-02646417⟩ Networks coming from protein-protein interactions, transcriptional regulation, signaling, or metabolism may appear to have « unusual » properties. To quantify this, it is appropriate to randomize the network

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Archive ouverte HAL – Randomizing Genome-Scale Metabolic Networks

Areejit Samal 1, 2 Olivier C. Martin 3, 4 Areejit Samal, Olivier C. Martin. Randomizing Genome-Scale Metabolic Networks. PLoS ONE, Public Library of Science, 2011, 6 (7), ⟨10.1371/journal.pone.0022295⟩. ⟨hal-02646417⟩ Networks coming from protein-protein interactions, transcriptional regulation, signaling, or metabolism may appear to have « unusual » properties. To quantify this, it is appropriate to randomize the network

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Archive ouverte HAL – Conformal blocks in Virasoro and W theories: duality and the Calogero-Sutherland model

Benoit Estienne 1, 2 Vincent Pasquier 3 Raoul Santachiara 4, 5 Didina Serban 3 Nuclear Physics B, Elsevier, 2011, 860, pp.377-420. 〈10.1016/j.nuclphysb.2012.03.007〉 We study the properties of the conformal blocks of the conformal field theories with Virasoro or W-extended symmetry. When the conformal blocks contain only second-order degenerate fields, the conformal blocks obey second order

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Archive ouverte HAL – Effect of finite temperature and uniaxial anisotropy on the Casimir effect with three-dimensional topological insulators

Adolfo Grushin 1 Pablo Rodriguez-Lopez 2 Alberto Cortijo Physical Review B : Condensed matter and materials physics, American Physical Society, 2011, 84 (4), pp.045119. 〈10.1103/PhysRevB.84.045119〉 1. ICMM – Instituto de Ciencia de Materiales de Madrid 2. LPTMS – Laboratoire de Physique Théorique et Modèles Statistiques

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Wigner-Crystal Formulation of Strong-Coupling Theory for Counter-ions Near Planar Charged Interfaces

L. Šamaj 1, 2, E. Trizac 2 Physical Review E 84 (2011) 041401 We present a new analytical approach to the strong electrostatic coupling regime (SC), that can be achieved equivalently at low temperatures, high charges, low dielectric permittivity etc. Two geometries are analyzed in detail: one charged wall first, and then, two parallel walls at small distances, that can

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