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Apr 02, 2008

Gravitational waves from deflagration bubbles in first-order phase …

The walls of bubbles in a first-order phase transition can propagate either as detonations, with a velocity larger than the speed of sound, or deflag…
May 23, 2017
Physics and Society

Epidemic spreading in multiplex networks influenced by opinion exchan…

We study the changes of opinions about vaccination together with the evolution of a disease. In our model we consider a multiplex network consisting …
Sep 22, 2015
Statistical Mechanics

Mean field approach for diffusion of interacting particles

A nonlinear Fokker-Planck equation is obtained in the continuous limit of a one-dimensional lattice with an energy landscape of wells and barriers. I…
Apr 05, 2010
Statistical Mechanics

Log-periodic oscillations for diffusion on self-similar finitely ra…

Under certain circumstances, the time behavior of a random walk is modulated by logarithmic periodic oscillations. The goal of this paper is to prese…
Mar 22, 2010

Coupled inflaton and electromagnetic fields from Gravitoelectromagnet…

Using a semiclassical approach to Gravitoelectromagnetic Inflation (GEMI), we study the origin and evolution of seminal inflaton and electromagnetic …
Apr 11, 2009

Detonations and deflagrations in cosmological phase transitions

We study the steady state motion of bubble walls in cosmological phase transitions. Taking into account the boundary and continuity conditions for th…
Jan 14, 2014
Statistical Mechanics
Soft Condensed Matter

Invited review: KPZ. Recent developments via a variational formulation

Recently, a variational approach has been introduced for the paradigmatic Kardar--Parisi--Zhang (KPZ) equation. Here we review that approach, togethe…
Apr 13, 2017
Representation Theory

In this section, by a path is meant a path of irreducible morphisms between indecomposable modules. The objective of this section is to investigate the paths f1,…,fn such that f1⋯fn∈radn+1. The main result is Theorem C. The following proposition sho…

Degrees of Irreducible Morphisms over Perfect Fields

The module category of any artin algebra is filtered by the powers of its radical, thus defining an associated graded category. As an extension of th…
Nov 18, 2016

Bubble nucleation and growth in very strong cosmological phase tran…

Strongly first-order phase transitions, i.e., those with a large order parameter, are characterized by a considerable supercooling and high velocitie…
Jul 07, 2015
Statistical Mechanics

Transport with hard-core interaction in a chain of asymmetric cavities

In this paper we investigate the diffusion of particles inside a chain of asymmetric cavities. We are considering particles that interact through a h…
Feb 01, 2018
Soft Condensed Matter
Biological Physics

Langevin equations for the run-and-tumble of swimming bacteria

The run and tumble motions of a swimming bacterium are well characterized by two stochastic variables: the speed $v(t)$ and the change of direction o…
Jan 15, 2016
Representation Theory
Rings and Algebras

On syzygies over 2-Calabi-Yau tilted algebras

We characterize the syzygies and co-syzygies over 2-Calabi-Yau tilted algebras in terms of the Auslander-Reiten translation and the syzygy functor. W…
Jun 11, 2012

Analytic approach to the motion of cosmological phase transition fron…

We consider the motion of planar phase-transition fronts in first-order phase transitions of the Universe. We find the steady state wall velocity as …
Jun 09, 2012
Space Physics

Seminal magnetic fields from Inflato-electromagnetic Inflation

We extend some previous attempts to explain the origin and evolution of primordial magnetic fields during inflation induced from a 5D vacuum. We show…
May 03, 2008

Constraints on unparticle physics from the $gt\bar t$ anomalous coupl…

We study the impact of unparticle physics to the chromomagnetic dipole moment (CMDM) of the top quark. We compute the effect induced by unparticle op…
Dec 12, 2016
Soft Condensed Matter
Biological Physics
Cell Behavior

A stochastic model for directional changes of swimming bacteria

In this work we introduce a stochastic model to describe directional changes in the movement of swimming bacteria. We use the probability density fun…
May 13, 2017

On the production of heavy axion-like particles in the accretion disk…

Heavy axion-like particles have been introduced in several scenarios beyond the Standard Model and their production in some astrophysical systems sho…
Dec 19, 2010
Statistical Mechanics

Anomalous diffusion with log-periodic modulation in a selected time …

On certain self-similar substrates the time behavior of a random walk is modulated by logarithmic periodic oscillations on all time scales. We show t…
Jun 21, 2012
Physics and Society
Data Analysis
Statistics and Probability

Geography and statistics are ubiquitously intertwined in data collected to assess the levels of health, socioeconomic development, literacy and education, crime, and many other key indicators of the welfare of society. However, georeferenced data ar…

Diffusion-Based Density-Equalizing Maps: an Interdisciplinary Approac…

In every country, public and private agencies allocate extensive funding to collect large-scale statistical data, which in turn are studied and analy…
Mar 18, 2013

Friction forces on phase transition fronts

In cosmological first-order phase transitions, the microscopic interaction of the phase transition fronts with non-equilibrium plasma particles manif…
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