Search Results - "Giraud, O"

Distribution of the ratio of consecutive level spacings in random matrix ensembles by Atas, Y Y, Bogomolny, E, Giraud, O, Roux, G

“…We derive expressions for the probability distribution of the ratio of two consecutive level spacings for the classical ensembles of random matrices. This…”
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Scaling Theory of the Anderson Transition in Random Graphs: Ergodicity and Universality by García-Mata, I, Giraud, O, Georgeot, B, Martin, J, Dubertrand, R, Lemarié, G

“…We study the Anderson transition on a generic model of random graphs with a tunable branching parameter 1<K<2, through large scale numerical simulations and…”
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Eigenfunction entropy and spectral compressibility for critical random matrix ensembles by Bogomolny, E, Giraud, O

“…Based on numerical and perturbation series arguments we conjecture that for certain critical random matrix models the information dimension of eigenfunctions…”
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Tensor representation of spin States by Giraud, O, Braun, D, Baguette, D, Bastin, T, Martin, J

“…We propose a generalization of the Bloch sphere representation for arbitrary spin states. It provides a compact and elegant representation of spin density…”
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Two critical localization lengths in the Anderson transition on random graphs by García-Mata, I., Martin, J., Dubertrand, R., Giraud, O., Georgeot, B., Lemarié, G.

“…We present a full description of the nonergodic properties of wave functions on random graphs withoutboundary in the localized and critical regimes of the…”
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Distinguishing humans from computers in the game of go: A complex network approach by Coquidé, C., Georgeot, B., Giraud, O.

“…We compare complex networks built from the game of go and obtained from databases of human-played games with those obtained from computer-played games. Our…”
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Random matrix ensembles associated with lax matrices by Bogomolny, E, Giraud, O, Schmit, C

“…A method to generate new classes of random matrix ensembles is proposed. Random matrices from these ensembles are Lax matrices of classically integrable…”
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Two scenarios for quantum multifractality breakdown by Dubertrand, R, García-Mata, I, Georgeot, B, Giraud, O, Lemarié, G, Martin, J

“…We expose two scenarios for the breakdown of quantum multifractality under the effect of perturbations. In the first scenario, multifractality survives below a…”
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Symmetry violation of quantum multifractality: Gaussian fluctuations versus algebraic localization by Bilen, A. M., Georgeot, B., Giraud, O., Lemarié, G., García-Mata, I.

“…Quantum multifractality is a fundamental property of systems such as non-interacting disordered systems at an Anderson transition and many-body systems in…”
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Network community structure and resilience to localized damage: Application to brain microcirculation by Goirand, F., Georgeot, B., Giraud, O., Lorthois, S.

“…In cerebrovascular networks, some vertices are more connected to each other than with the rest of the vasculature, defining a community structure. Here, we…”
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Periodic orbits and semiclassical form factor in barrier billiards by GIRAUD, O

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Perturbation approach to multifractal dimensions for certain critical random-matrix ensembles by Bogomolny, E, Giraud, O

“…Fractal dimensions of eigenfunctions for various critical random matrix ensembles are investigated in perturbation series in the regimes of strong and weak…”
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Grafting both acute wound site and adjacent donor site with the same graft: an easy and safe procedure to improve healing and minimize pain in elderly and bedridden patients by Keilani, C, Agard, D, Duhoux, A, Lakhel, A, Giraud, O, Brachet, M, Duhamel, P, Bey, E

“…In harvesting skin to cover the defect caused by a burn, a second wound is created, the donor site wound. We propose an alternative method to manage the donor…”
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Odors as triggering and worsening factors for migraine in men by Lima, Andressa Marmore de, Sapienza, Giovanna Baptista, Giraud, Vinícius de Oliveira, Fragoso, Yára Dadalti

“…To assess the role of odors in triggering or worsening migraine in men. Ninety-eight male migraineurs from the general population were assessed individually…”
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Multifractal dimensions for all moments for certain critical random-matrix ensembles in the strong multifractality regime by Bogomolny, E, Giraud, O

“…We construct perturbation series for the qth moment of eigenfunctions of various critical random-matrix ensembles in the strong multifractality regime close to…”
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Nearest-neighbor distribution for singular billiards by Bogomolny, E, Giraud, O, Schmit, C

“…The exact computation of the nearest-neighbor spacing distribution P(s) is performed for a rectangular billiard with a pointlike scatterer inside for periodic…”
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Calculation of mean spectral density for statistically uniform treelike random models by Bogomolny, E, Giraud, O

“…For random matrices with treelike structure there exists a recursive relation for the local Green functions whose solution permits us to find directly many…”
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Multifractality of quantum wave functions in the presence of perturbations by Dubertrand, R, García-Mata, I, Georgeot, B, Giraud, O, Lemarié, G, Martin, J

“…We present a comprehensive study of the destruction of quantum multifractality in the presence of perturbations. We study diverse representative models…”
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Absolutely classical spin states by Bohnet-Waldraff, F., Giraud, O., Braun, D.

“…We introduce the concept of "absolutely classical" spin states, in analogy to absolutely separable states of bi-partite quantum systems. Absolutely classical…”
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Periodic Orbits Contribution to the 2-Point Correlation Form Factor for Pseudo-Integrable Systems by Bogomolny, E., Giraud, O., Schmit, C.

“…The 2-point correlation form factor, $K_2(\tau)$, for small values of $\tau$ is computed analytically for typical examples of pseudo-integrable systems. This…”
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