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相关论文: Rough Interfaces Beyond the Gaussian Approximation

200 篇论文

We study the topology of fluid interfaces in the 3D Ising model in the rough phase. It turns out that such interfaces are accurately described as dilute gases of microscopic handles, and the stiffness of the interface increases with the…

凝聚态物理 · 物理学 2015-06-25 M. Caselle , F. Gliozzi , U. Magnea

Recent outer bounds on the capacity region of Gaussian interference channels are generalized to $m$-user channels with $m>2$ and asymmetric powers and crosstalk coefficients. The bounds are again shown to give the sum-rate capacity for…

信息论 · 计算机科学 2008-01-16 Xiaohu Shang , Gerhard Kramer , Biao Chen

The most relevant thermal perturbation of the continuous d=2 minimal conformal theory with c=7/10 (Tricritical Ising Model) is treated here. This model describes the scaling region of the phi^6 universality class near the tricritical point.…

高能物理 - 理论 · 物理学 2014-11-18 Riccardo Guida , Nicodemo Magnoli

We consider the three-dimensional site-diluted Ising model with power-law correlated defects and study the critical behavior of the second-moment correlation length and the magnetic susceptibility in the high-temperature phase. By…

统计力学 · 物理学 2023-03-06 S. Kazmin , W. Janke

The Constrained Effective Potential (CEP) is known to be equivalent to the usual Effective Potential (EP) in the infinite volume limit. We have carried out MonteCarlo calculations based on the two different definitions to get informations…

高能物理 - 格点 · 物理学 2009-10-31 A. Agodi , G. Andronico

In this paper, we investigate the half-duplex cooperative communication scheme of a two user Gaussian interference channel. We develop achievable region and outer bound for the case when the system allow either transmitter or receiver…

信息论 · 计算机科学 2009-01-20 Yong Peng , Dinesh Rajan

Introducing inequality constraints in Gaussian process (GP) models can lead to more realistic uncertainties in learning a great variety of real-world problems. We consider the finite-dimensional Gaussian approach from Maatouk and Bay (2017)…

机器学习 · 统计学 2021-11-04 Andrés F. López-Lopera , François Bachoc , Nicolas Durrande , Olivier Roustant

An outstanding characteristic of porous media, desired in many applications, is the large surface area, which facilitates solid-fluid interactions, making porous media an extreme case in colloid and interface science. In two-fluid systems,…

流体动力学 · 物理学 2025-10-23 Steffen Berg , Ryan T. Armstrong , Maja Rücker , Alex Hansen , Signe Kjelstrup , Dick Bedeaux

We prove that the interface separating $+1$ and $-1$ spins in the critical planar Ising model with Dobrushin boundary conditions perturbed by an external magnetic field has a scaling limit. This result holds when the Ising model is defined…

概率论 · 数学 2024-11-26 Léonie Papon

In this contribution, we derive a gas-liquid two-scale multi-fluid model with capillarity effects to enable a novelinterface regularization approach for multi-fluid models. As this unified modelling is capable of switching from theinterface…

流体动力学 · 物理学 2024-12-24 Arthur Loison , Samuel Kokh , Teddy Pichard , Marc Massot

Interfaces of phase-separated systems roughen in time due to capillary waves. Because of fluxes in the bulk, their dynamics is nonlocal in real space and is not described by the Edwards-Wilkinson or Kardar-Parisi-Zhang (KPZ) equations, nor…

统计力学 · 物理学 2023-05-17 Marc Besse , Giordano Fausti , Michael E. Cates , Bertrand Delamotte , Cesare Nardini

Recently the OPE coefficients of the 3D Ising model universality class have been calculated by studying the two-point functions perturbed from the critical point with a relevant field. We show that this method can be applied also when the…

高能物理 - 理论 · 物理学 2016-04-28 Gianluca Costagliola

We report a numerical study of equilibrium phase-diagrams and interfacial properties of bulk and confined colloid-polymer mixtures using grand canonical Monte Carlo simulations. Colloidal particles are treated as hard spheres, while the…

软凝聚态物质 · 物理学 2009-11-13 Andrea Fortini , Peter G. Bolhuis , Marjolein Dijkstra

The capacity region of the two-user Gaussian Interference Channel (IC) is studied. Three classes of channels are considered: weak, one-sided, and mixed Gaussian IC. For the weak Gaussian IC, a new outer bound on the capacity region is…

信息论 · 计算机科学 2008-01-09 Abolfazl S. Motahari , Amir K. Khandani

We evaluate the squeezing of a probe beam with a transverse Gaussian profile interacting with an ensemble of two-level atoms in a cavity. We use the linear input-output formalism where the effect of atoms is described by susceptibility and…

量子物理 · 物理学 2007-05-23 A. Lambrecht , J. M. Courty , S. Reynaud

The lubricated motion of an object near a deformable boundary presents striking subtleties arising from the coupling between the elasticity of the boundary and lubricated flow, including but not limited to the emergence of a lift force…

软凝聚态物质 · 物理学 2025-10-08 Aditya Jha , Yacine Amarouchene , Thomas Salez

A popular concept which describes the structure of polymer interfaces by ``intrinsic profiles'' centered around a two dimensional surface, the ``local interface position'', is tested by extensive Monte Carlo simulations of interfaces…

软凝聚态物质 · 物理学 2009-10-31 A. Werner , F. Schmid , M. Mueller , K. Binder

We study the interface between two different Z(3) vacua in the deconfined phase of SU(3) pure gauge theory in 2+1 dimensions just above the critical temperature. In simulations of the Euclidean lattice gauge theory formulation of the system…

高能物理 - 格点 · 物理学 2009-10-28 S. T. West , J. F. Wheater

Effective interactions that violate Newton's third law of action-reaction symmetry are common in systems where interactions are mediated by a non-equilibrium environment. Extensive Monte Carlo simulations are carried out on a…

统计力学 · 物理学 2024-03-12 Agney K. Rajeev , A. V. Anil Kumar

We consider new models of dark energy with finite time future singularities, by introducing the pressure density as a function of the scale factor. This approach gives acceptable phenomenological models of dark energy, practically…

广义相对论与量子宇宙学 · 物理学 2019-07-17 L. N. Granda