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Related papers: Liquid-liquid phase transition in Stillinger-Weber…

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In recent years, a second fluid-fluid phase transition has been reported in several materials at pressures far above the usual liquid-gas phase transition. In this paper, we introduce a new model of this behavior based on the Lennard-Jones…

Statistical Mechanics · Physics 2009-11-07 H. K. Lee , R. H. Swendsen

Linear diamagnetism is predicted in the vortex-liquid phase of layered superconductors at temperatures just below the mean-field phase transition on the basis of a high-temperature analysis of the corresponding frustrated XY model. The…

Superconductivity · Physics 2007-05-23 J. P. Rodriguez

We study first-order electroweak phase transitions in the real-singlet extended Standard Model, for which non-zero mixing between the Higgs and the singlet can efficiently strengthen the transitions. We perform large-scale parameter space…

High Energy Physics - Phenomenology · Physics 2024-08-29 Lauri Niemi , Tuomas V. I. Tenkanen

We study the phase transition between the Coulomb liquid and the columnar crystal in the 3D classical dimer model, which was found to be continuous in the O(3) universality class. In addition to nearest neighbor interactions which favor…

Strongly Correlated Electrons · Physics 2011-08-12 Stefanos Papanikolaou , Joseph J. Betouras

We calculate various thermodynamic quantities of vortex liquids in a layered superconductor by using the nonperturbative parquet approximation method, which was previously used to study the effect of thermal fluctuations in two-dimensional…

Superconductivity · Physics 2009-10-31 Joonhyun Yeo , M. A. Moore

When a multicomponent liquid composed of particles with random interactions is slowly cooled below the freezing temperature, the fluid reorganises in order to increase (decrease) the number of strong (weak) attractive interactions and…

Soft Condensed Matter · Physics 2019-07-24 Kulveer Singh , Yitzhak Rabin

Using large scale Monte Carlo simulations on a uniformly frustrated 3DXY model, we report a first order vortex lattice melting transition in clean, isotropic extreme type-II $\kappa \to \infty$ superconductors. This work clarifies an…

Superconductivity · Physics 2009-10-31 S-K. Chin , A. K. Nguyen , A. Sudboe

Some highly unusual features of a lipid-water liquid crystal are revealed by high pressure x-ray diffraction, light scattering and dilatometric studies of the lamellar (bilayer $L_{\alpha}$) to nonlamellar inverse hexagonal ($H_{II}$) phase…

Condensed Matter · Physics 2009-10-22 P. T. C. So , Sol M. Gruner , Shyamsunder Erramilli

We report a molecular dynamics simulation study of a model gel whose interaction potential is obtained by modifying the three body Stillinger-Weber model potential for silicon. The modification reduces the average coordination number, and…

Soft Condensed Matter · Physics 2015-05-14 Shibu Saw , Niels L. Ellegaard , Walter Kob , Srikanth Sastry

Recent cutting-edge experiments have provided {\it in situ} structure characterization and measurements of the pressure ($P$), density ($\bar{\rho}$) and temperature ($T$) of shock compressed silicon in the 100 GPa range of pressures and…

Materials Science · Physics 2024-12-12 M. W. C. Dharma-wardana , Dennis D. Klug , Hannah Poole , G. Gregori

The effect of fluctuation induced weakly first order phase transition known for three dimensional (3D) type I superconductors appears in a modified and strongly enhanced variant in thin (quasi-2D) superconducting films. The unusual…

Superconductivity · Physics 2009-11-07 R. Folk , D. V. Shopova , D. I. Uzunov

A superclimbing dislocation spread over several valleys of Peierls potential in solid Helium-4 represents a non-Luttinger Liquid according to the elementary scaling dimensional analysis because its excitation spectrum is parabolic. Monte…

Other Condensed Matter · Physics 2017-07-12 Max Yarmolinsky , Anatoly Kuklov

The transport properties of an ionic model for liquid silica at high temperatures and pressure are investigated using molecular dynamics simulations. With increasing pressure, a clear change from "strong" to "fragile" behaviour (according…

Materials Science · Physics 2008-02-03 Jean-Louis Barrat , James Badro , Philippe Gillet

We present experimental evidence for a first-order freezing/melting phase transition in a nonequilibrium system -- an oscillated two-dimensional isobaric granular fluid. The steady-state transition occurs between a gas and a crystal and is…

Soft Condensed Matter · Physics 2007-05-23 M. D. Shattuck

Using nonequilibrium molecular dynamics (NEMD) simulations, we study the properties of supercooled liquids of Si under shear at T=1060K over a range of densities encompassing the low-density liquid (LDL) and high-density liquid (HDL) forms.…

Soft Condensed Matter · Physics 2020-08-11 Caroline Desgranges , Jerome Delhommelle

Liquid-liquid phase transition of hydrogen is at the center of hydrogen phase diagram as a promising route towards emergent properties such as the Wigner-Huntington metallization, superconductivity, and superfluidity. Here we report a study…

Materials Science · Physics 2022-06-27 Jianqing Guo , Bingqing Cheng , Limei Xu , Enge Wang , Ji Chen

It is generally agreed that the supercritical region of a liquid consists of one single state (supercritical fluid). On the other hand, we show here that liquids in this region exist in two qualitatively different states: "rigid" and…

Statistical Mechanics · Physics 2015-05-27 V. V. Brazhkin , Yu. D. Fomin , A. G. Lyapin , V. N. Ryzhov , Kostya Trachenko

A microscopic model of the lipid membrane is constructed that provides analytically tractable description of the physical mechanism of the first order liquid-gel phase transition. We demonstrate that liquid-gel phase transition is…

Soft Condensed Matter · Physics 2018-07-04 Boris Kheyfets , Timur Galimzyanov , Sergei Mukhin

The superconductor to insulator transition in the presence of long-range Coulomb interactions is studied using Monte Carlo techniques. At integer filling the transition is second order. At half filling we find evidence of a first order…

Condensed Matter · Physics 2009-10-28 Erik Sorensen , Eric Roddick

Discovering novel emergent behavior in quantum many-body systems is a main objective of contemporary research. In this paper, we explore the effects on phases and phase transitions of the proximity to a Ruelle-Fisher instability, marking…

Statistical Mechanics · Physics 2024-09-12 Saverio Moroni , Fabio Cinti , Massimo Boninsegni , Giuseppe Pellicane , Santi Prestipino
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