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- Centre National de la Recherche ScientifiqueFR208 papers
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53 papers · 1 filter
Weak Solutions of the Stochastic Landau-Lifshitz-Gilbert Equation
Z. Brzezniak, B. Goldys
The Landau-Lifshitz-Gilbert equation perturbed by a multiplicative space-dependent noise is considered for a ferromagnet filling a bounded three-dimensional domain. We show the exi…
On dilation symmetries arising from scaling limits
Henning Bostelmann, Claudio D'Antoni, Gerardo Morsella
Quantum field theories, at short scales, can be approximated by a scaling limit theory. In this approximation, an additional symmetry is gained, namely dilation covariance. To unde…
Quantum Inequalities from Operator Product Expansions
Henning Bostelmann, Christopher J. Fewster
Quantum inequalities are lower bounds for local averages of quantum observables that have positive classical counterparts, such as the energy density or the Wick square. We establi…
First-Principles conductance of nanoscale junctions from the polarizability of finite systems
Matthieu J. Verstraete, P. Bokes, R. W. Godby
A method for the calculation of the conductance of nanoscale electrical junctions is extended to ab-initio electronic structure methods and applied to realistic models of metallic…
A jump-growth model for predator-prey dynamics: derivation and application to marine ecosystems
Samik Datta, Gustav W. Delius, Richard Law
This paper investigates the dynamics of biomass in a marine ecosystem. A stochastic process is defined in which organisms undergo jumps in body size as they catch and eat smaller o…
Quantum error correction beyond qubits
Takao Aoki, Go Takahashi, Tadashi Kajiya +4
Quantum computation and communication rely on the ability to manipulate quantum states robustly and with high fidelity. Thus, some form of error correction is needed to protect fra…