2020

Archive ouverte HAL – Universal gap statistics for random walks for a class of jump densities

Matteo Battilana 1 Satya N. Majumdar 1 Gregory Schehr 1 Matteo Battilana, Satya N. Majumdar, Gregory Schehr. Universal gap statistics for random walks for a class of jump densities. Markov Processes And Related Fields, Polymat Publishing Company, 2020. ⟨hal-02518812⟩ We study the order statistics of a random walk (RW) of $n$ steps whose jumps are […]

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Archive ouverte HAL – Two anyons on the sphere: nonlinear states and spectrum

Alexios P. PolychronakosStéphane Ouvry 1 Alexios P. Polychronakos, Stéphane Ouvry. Two anyons on the sphere: nonlinear states and spectrum. Nucl.Phys.B, 2020, 951, pp.114906. ⟨10.1016/j.nuclphysb.2019.114906⟩. ⟨hal-02340259⟩ We study the energy spectrum of two anyons on the sphere in a constant magnetic field. Making use of rotational invariance we reduce the energy eigenvalue equation to a system

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Archive ouverte HAL – Three- and four-point connectivities of two-dimensional critical $Q-$ Potts random clusters on the torus

Nina Javerzat 1 Marco Picco 2 Raoul Santachiara 1 Nina Javerzat, Marco Picco, Raoul Santachiara. Three- and four-point connectivities of two-dimensional critical $Q-$ Potts random clusters on the torus. J.Stat.Mech., 2020, 2005, pp.053106. ⟨10.1088/1742-5468/ab7c5e⟩. ⟨hal-02416915⟩ In a recent paper, we considered the effects of the torus lattice topology on the two-point connectivity of Q-Potts clusters.

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Archive ouverte HAL – The influence of the brittle-ductile transition zone on aftershock and foreshock occurrence

Giuseppe Petrillo 1 Eugenio Lippiello 1 François Landes 2 Alberto Rosso 3 Giuseppe Petrillo, Eugenio Lippiello, François Landes, Alberto Rosso. The influence of the brittle-ductile transition zone on aftershock and foreshock occurrence. Nature Communications, Nature Publishing Group, 2020. ⟨hal-02908552⟩ Aftershock occurrence is characterized by scaling behaviors with quite universal exponents. At the same time, deviations

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Archive ouverte HAL – The convex hull of the run-and-tumble particle in a plane

Alexander K HartmannSatya N Majumdar 1 Hendrik Schawe 2 Gregory Schehr 1 Alexander Hartmann 2 Satya Majumdar 1 Alexander K Hartmann, Satya N Majumdar, Hendrik Schawe, Gregory Schehr, Alexander Hartmann, et al.. The convex hull of the run-and-tumble particle in a plane. Journal of Statistical Mechanics: Theory and Experiment, IOP Publishing, 2020, 2020 (5), pp.053401.

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Archive ouverte HAL – Symmetries in $B \to D^* \ell \nu$ angular observables

Marcel AlgueróSébastien Descotes-Genon 1 Joaquim MatiasMartín Novoa-Brunet 2 Marcel Algueró, Sébastien Descotes-Genon, Joaquim Matias, Martín Novoa-Brunet. Symmetries in $B \to D^* \ell \nu$ angular observables. JHEP, 2020, 06, pp.156. ⟨10.1007/JHEP06(2020)156⟩. ⟨hal-02518081⟩ We apply the formalism of amplitude symmetries to the angular distribution of the decays B → D$^{∗}$ℓν for ℓ = e, μ, τ .

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Archive ouverte HAL – Swimmer Suspensions on Substrates: Anomalous Stability and Long-Range Order

Ananyo Maitra 1, 2 Pragya SrivastavaM. Cristina MarchettiSriram RamaswamyMartin Lenz 2, 3 Ananyo Maitra, Pragya Srivastava, M. Cristina Marchetti, Sriram Ramaswamy, Martin Lenz. Swimmer Suspensions on Substrates: Anomalous Stability and Long-Range Order. Phys.Rev.Lett., 2020, 124 (2), pp.028002. ⟨10.1103/PhysRevLett.124.028002⟩. ⟨hal-02475283⟩ We present a comprehensive theory of the dynamics and fluctuations of a two-dimensional suspension of polar

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Fwd: [CNRS Presse] CNRS : Synthèse de presse – 13 janvier 2020

    POLITIQUE DE LA RECHERCHE ET AUSSI…     Où en est l’égalité hommes-femmes dans les universités ? L’Association pour les femmes dirigeantes de l’enseignement supérieur, de la recherche et de l’innovation (Afdesri) a organisé vendredi, à Paris, un séminaire sur la parité hommes-femmes dans les universités. Une enquête réalisée pour l’occasion montre que la

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Archive ouverte HAL – Stochastic growth in time-dependent environments

Guillaume Barraquand 1 Pierre Le Doussal 1 Alberto Rosso 2 Guillaume Barraquand, Pierre Le Doussal, Alberto Rosso. Stochastic growth in time-dependent environments. Physical Review E , American Physical Society (APS), 2020, 101 (4), ⟨10.1103/PhysRevE.101.040101⟩. ⟨hal-02565202⟩ We study the Kardar-Parisi-Zhang (KPZ) growth equation in one dimension with a noise variance $c(t)$ depending on time. We find

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Archive ouverte HAL – Statistics of first-passage Brownian functionals

Satya N. Majumdar 1 Baruch Meerson Satya N. Majumdar, Baruch Meerson. Statistics of first-passage Brownian functionals. J.Stat.Mech., 2020, 2002 (2), pp.023202. ⟨10.1088/1742-5468/ab6844⟩. ⟨hal-02497830⟩ We study the distribution of first-passage functionals of the type where represents a Brownian motion (with or without drift) with diffusion constant D, starting at x 0  >  0, and t f  is the

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