Search Results - "Giraud, Olivier"

Probing Symmetries of Quantum Many-Body Systems through Gap Ratio Statistics by Giraud, Olivier, Macé, Nicolas, Vernier, Éric, Alet, Fabien

“…The statistics of gap ratios between consecutive energy levels is a widely used tool—in particular, in the context of many-body physics—to distinguish between…”
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Optimal Detection of Rotations about Unknown Axes by Coherent and Anticoherent States by Martin, John, Weigert, Stefan, Giraud, Olivier

“…Coherent and anticoherent states of spin systems up to spin j = 2 are known to be optimal in order to detect rotations by a known angle but unknown rotation…”
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Quantum logarithmic multifractality by Chen, Weitao, Giraud, Olivier, Gong, Jiangbin, Lemarié, Gabriel

“…Through a combination of rigorous analytical derivations and extensive numerical simulations, this work reports an exotic multifractal behavior, dubbed…”
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Quantum parameter estimation with many-body fermionic systems and application to the Hall effect by Giraud, Olivier, Goerbig, Mark-Oliver, Braun, Daniel

“…We calculate the quantum Fisher information for a generic many-body fermionic system in a pure state depending on a parameter. We discuss the situations where…”
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Coherent forward scattering as a robust probe of multifractality in critical disordered media by Martinez, Maxime, Lemarié, Gabriel, Georgeot, Bertrand, Miniatura, Christian, Giraud, Olivier

“…We study coherent forward scattering (CFS) in critical disordered systems, whose eigenstates are multifractals. We give general and simple arguments that make…”
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L’accès à l’emploi des jeunes en France et en Allemagne : nouveaux défis et changements d’échelles by Giraud, Olivier

“…As well as raising constraints associated with Europeanization or with the decentralization of political systems, the increasing importance of recommendations…”
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The scalar arrangements of three European public health systems facing the COVID-19 pandemic: Comparing France, Germany, and Italy by Giraud, Olivier, Tietze, Nikola, Toffanin, Tania, Noûs, Camille

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Coherent forward scattering peak and multifractality by Martinez, Maxime, Lemarié, Gabriel, Georgeot, Bertrand, Miniatura, Christian, Giraud, Olivier

“…It has recently been shown that interference effects in disordered systems give rise to two nontrivial structures: the coherent backscattering (CBS) peak, a…”
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Les conjonctures au crible de l'hégémonie. La place du politique en Amérique latine, et ailleurs by Georges, Isabel, Giraud, Olivier

“…« Comme le disait Pierre Laborie, "l’événement" ne peut pas être réduit au "fait", il est "ce qui est arrivé à ce qui est arrivé", "ce qui advient à ce qui est…”
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Designing tightly-coupled extension units for the STxP70 processor by Janin, Yves, Bertin, Valerie, Chauvet, Herve, Deruyter, Thomas, Eichwald, Christophe, Giraud, Olivier-Andre, Lorquet, Vincent, Thery, Thomas

“…Designed by STMicroelectronics for the embedded market, the STxP70 processor is a small but extensible processor: designers have the possibility to define…”
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Les conjonctures au crible de l'hégémonie. La place du politique en Amérique latine, et ailleurs: Introduction du Dossier « Produire les conjonctures en Amérique latine. Quelle place pour les politiques sociales ? by Georges, Isabel, Giraud, Olivier

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High values of disorder-generated multifractals and logarithmically correlated processes by Fyodorov, Yan V., Giraud, Olivier

“…In the introductory section of the article we give a brief account of recent insights into statistics of high and extreme values of disorder-generated…”
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Computing Quantum Mean Values in the Deep Chaotic Regime by Lando, Gabriel M, Giraud, Olivier, Ullmo, Denis

“…We study the time evolution of mean values of quantum operators in a regime plagued by two difficulties: the smallness of ℏ and the presence of strong and…”
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A globalização vista do norte e do sul: quais os seus mecanismos sociais? by Olivier Giraud

“…Procura-se, neste artigo, definir a globalização a partir da identificação de uma série de mecanismos sociais por meio dos quais essa age diretamente sobre os…”
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L’introuvable démocratie du care ?: La gouvernance multiscalaire des systèmes d’aide et de soins à domicile des personnes âgées entre néo-familialisme et privatisation : les cas de Hambourg et Édimbourg by Giraud, Olivier

“…This article relates a normative view of care inspired by Joan Tronto's concept of caring democracy to two local regimes of domiciliary care for the elderly,…”
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Classicality of spin states by Giraud, Olivier, Braun, Petr, Braun, Daniel

“…We extend the concept of classicality in quantum optics to spin states. We call a state ''classical'' if its density matrix can be decomposed as a weighted sum…”
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Chaos-Assisted Long-Range Tunneling for Quantum Simulation by Martinez, Maxime, Giraud, Olivier, Ullmo, Denis, Billy, Juliette, Guéry-Odelin, David, Georgeot, Bertrand, Lemarié, Gabriel

“…We present an extension of the chaos-assisted tunneling mechanism to spatially periodic lattice systems. We demonstrate that driving such lattice systems in an…”
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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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The grey zone and labour market dynamics in Germany: new regulations and new ways of using employment categories. Self-employment and traineeships by Giraud, Olivier, Lechevalier, Arnaud

“…In this article, we define the ‘grey zone’ as the proliferation of categories of employment and the growing dissonance between those categories and the…”
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Quantifying quantumness and the quest for Queens of Quantum by Giraud, Olivier, Braun, Petr, Braun, Daniel

“…We introduce a measure of ''quantumness'' for any quantum state in a finite dimensional Hilbert space, based on the distance between the state and the convex…”
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