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- Etienne P Bernard, Werner Krauth
- Physical review letters
- 2011

Melting in two spatial dimensions, as realized in thin films or at interfaces, represents one of the most fascinating phase transitions in nature, but it remains poorly understood. Even for the fundamental hard-disk model, the melting mechanism has not been agreed upon after 50 years of studies. A recent Monte Carlo algorithm allows us to thermalize systems… (More)

- D S Akerib, H M Araújo, +99 authors C Zhang
- Physical review letters
- 2014

The Large Underground Xenon (LUX) experiment is a dual-phase xenon time-projection chamber operating at the Sanford Underground Research Facility (Lead, South Dakota). The LUX cryostat was filled for the first time in the underground laboratory in February 2013. We report results of the first WIMP search data set, taken during the period from April to… (More)

- Michael Engel, Joshua A Anderson, Sharon C Glotzer, Masaharu Isobe, Etienne P Bernard, Werner Krauth
- Physical review. E, Statistical, nonlinear, and…
- 2013

We report large-scale computer simulations of the hard-disk system at high densities in the region of the melting transition. Our simulations reproduce the equation of state, previously obtained using the event-chain Monte Carlo algorithm, with a massively parallel implementation of the local Monte Carlo method and with event-driven molecular dynamics. We… (More)

- Etienne P Bernard, Werner Krauth, David B Wilson
- Physical review. E, Statistical, nonlinear, and…
- 2009

In this paper we present the event-chain algorithms, which are fast Markov-chain Monte Carlo methods for hard spheres and related systems. In a single move of these rejection-free methods, an arbitrarily long chain of particles is displaced, and long-range coherent motion can be induced. Numerical simulations show that event-chain algorithms clearly… (More)

- D S Akerib, S Alsum, +98 authors C Zhang
- Physical review letters
- 2017

We report constraints on spin-independent weakly interacting massive particle (WIMP)-nucleon scattering using a 3.35×10^{4} kg day exposure of the Large Underground Xenon (LUX) experiment. A dual-phase xenon time projection chamber with 250 kg of active mass is operated at the Sanford Underground Research Facility under Lead, South Dakota (USA). With… (More)

The present paper discusses the diffusion approximation of the linear Boltzmann equation in cases where the collision frequency is not uniformly large in the spatial domain. Our results apply for instance to the case of radiative transfer in a composite medium with optically thin inclusions in an optically thick background medium. The equation governing the… (More)

- E Bernard, W Hornebeck, L Robert
- Cell biology international
- 1994

The influence of hyaluronan (HA) on the expression of human skin fibroblast elastase-type protease (HSFEp) (Homsy et al, 1988) was studied. At confluency of HSF cultures, hyaluronan increased the level of HSFEp in a time and dose-dependent fashion. Optimal effect was observed after 48 h of culture and at 2 mg/ml HA concentration; the stimulatory effect of… (More)

- Etienne P Bernard, Werner Krauth
- Physical review. E, Statistical, nonlinear, and…
- 2012

We extend the event-chain Monte Carlo algorithm from hard-sphere interactions to general potentials. This event-driven Monte Carlo algorithm is nonlocal and rejection free and allows for the breaking of detailed balance. The algorithm uses a discretized potential, but its running speed is asymptotically independent of the discretization. We apply the… (More)

- Etienne Bernard, Jean-Louis Barrat Rapporteur, Walter Kob Examinateur, Werner Krauth
- 2011

Statistical physics aims to understand the behavior of systems composed of many interacting elements. These systems display interesting collective phenomena, even if interactions are local. The solid state of matter is an example of such a phenomenon: the particles are correlated up to infinite distances, and the system moves as a single block. Sometimes,… (More)

- D S Akerib, H M Araújo, +98 authors C Zhang
- Physical review letters
- 2016

We present constraints on weakly interacting massive particles (WIMP)-nucleus scattering from the 2013 data of the Large Underground Xenon dark matter experiment, including 1.4×10^{4} kg day of search exposure. This new analysis incorporates several advances: single-photon calibration at the scintillation wavelength, improved event-reconstruction… (More)