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Showing 2016Show all

146 papers · 1 filter

math.CV2016★ 14 cited

A continuity theorem for families of sheaves on complex surfaces

Nicholas Buchdahl, Andrei Teleman, Matei Toma

We prove that any flat family of rank 2 torsion-free sheaves on a Gauduchon surface defines a continuous map on the semi-stable locus $U^{\mathrm {ss}}:…

cond-mat.mtrl-sci2016★ 31 cited

Manipulating exchange bias using all-optical helicity-dependent switching

Pierre Vallobra, Thibaud Fache, Yong Xu +5

Deterministic all-optical control of magnetization without an applied magnetic field has been reported for different materials such as ferrimagnetic and ferromagnetic thin films an…

math-ph2016★ 2 cited

Li(e)nearity

Raphaël Leone, Fernando Haas

We demonstrate the fact that linearity is a meaningful symmetry in the sense of Lie and Noether. The role played by that `linearity symmetry' in the quadrature of linear ordinary s…

cond-mat.stat-mech2016★ 12 cited

Non-local meta-conformal invariance, diffusion-limited erosion and the XXZ chain

Malte Henkel

Diffusion-limited erosion is a distinct universality class of fluctuating interfaces. Although its dynamical exponent , none of the known variants of conformal invariance can…

math-ph2016★ 3 cited

Matrix product ansatz for non-equilibrium quantum steady states

D. Karevski, V. Popkov, G. M. Schütz

We present a general construction of matrix product states for stationary density matrices of one-dimensional quantum spin systems kept out of equilibrium through boundary Lindblad…

physics.chem-ph2016★ 13 cited

Physicochemical and thermal modelling of the reaction between a porous pellet and a gas

F Patisson, D Ablitzer

A mathematical model has been developed to simulate the kinetic and thermal behaviour of a porous solid pellet undergoing chemical reaction with a gas. The model describes the chem…

cond-mat.str-el2016★ 143 cited

Entanglement scaling of operators: a conformal field theory approach, with a glimpse of simulability of long-time dynamics in 1+1d

J. Dubail

In one dimension, the area law and its implications for the approximability by Matrix Product States are the key to efficient numerical simulations involving quantum states. Simila…

physics.class-ph2016★ 18 cited

Equivalent quantum equations in a system inspired by bouncing droplets experiments

Christian Borghesi

In this paper we study a classical and theoretical system which consists of an elastic medium carrying transverse waves and one point-like high elastic medium density, called concr…

math.PR2016★ 8 cited

On stochastic calculus with respect to q-Brownian motion

Aurélien Deya, René Schott

Following the approach and the terminology introduced in [A. Deya and R. Schott, On the rough paths approach to non-commutative stochastic calculus, J. Funct. Anal., 2013], we cons…

math.RT2016★ 10 cited

Another Approach to Juhl's Conformally Covariant Differential Operators from to

Jean-Louis Clerc

A family of differential operators on the sphere is constructed. The operators are conformally covariant for the action of the subgroup of…

cond-mat.stat-mech2016★ 18 cited

From dynamical scaling to local scale-invariance: a tutorial

Malte Henkel

Dynamical scaling arises naturally in various many-body systems far from equilibrium. After a short historical overview, the elements of possible extensions of dynamical scaling to…

cond-mat.str-el2016★ 50 cited

More on the rainbow chain: entanglement, space-time geometry and thermal states

Javier Rodríguez-Laguna, Jérôme Dubail, Giovanni Ramírez +2

The rainbow chain is an inhomogenous exactly solvable local spin model that, in its ground state, displays a half-chain entanglement entropy growing linearly with the system size.…

math-ph2016★ 1 cited

Local Decay for Weak Interactions with Massless Particles

Jean-Marie Barbaroux, Jérémy Faupin, Jean-Claude Guillot

We consider a mathematical model for the weak decay of the intermediate boson into neutrinos and antineutrinos. We prove that the total Hamiltonian has a unique ground state…

cond-mat.stat-mech2016★ 15 cited

Cluster Monte Carlo and dynamical scaling for long-range interactions

Emilio Flores-Sola, Martin Weigel, Ralph Kenna +1

Many spin systems affected by critical slowing down can be efficiently simulated using cluster algorithms. Where such systems have long-range interactions, suitable formulations ca…

cond-mat.mes-hall2016★ 12 cited

Ferromagnetic order induced on graphene by Ni/Co proximity effects

Mayra Peralta, Luis Colmenarez, Alejandro López +2

We build a tight-binding Hamiltonian describing Co/Ni over graphene, contemplating ATOP (a Co/Ni atom on top of each Carbon atom of one graphene sublattice) and HCP (one Co/Ni atom…

cond-mat.stat-mech2016★ 7 cited

Conformal field theory of critical Casimir forces between surfaces with alternating boundary conditions in two dimensions

Jerome Dubail, Raoul Santachiara, Thorsten Emig

Systems as diverse as binary mixtures and inclusions in biological membranes, and many more, can be described effectively by interacting spins. When the critical fluctuations in th…

math.PR2016★ 6 cited

Population processes with unbounded extinction rate conditioned to non-extinction

Nicolas Champagnat, Denis Villemonais

This article studies the quasi-stationary behaviour of population processes with unbounded absorption rate, including one-dimensional birth and death processes with catastrophes an…

math.NA2016★ 118 cited

Efficient spectral computation of the stationary states of rotating Bose-Einstein condensates by the preconditioned nonlinear conjugate gradient method

Xavier Antoine, Antoine Levitt, Qinglin Tang

We propose a preconditioned nonlinear conjugate gradient method coupled with a spectral spatial dis-cretization scheme for computing the ground states (GS) of rotating Bose-Einstei…

math.OC2016

On-line detection of qualitative dynamical changes in nonlinear systems: the resting-oscillation case

Ying Tang, Alessio Franci, Romain Postoyan

Motivated by neuroscience applications, we introduce the concept of qualitative detection, that is, the problem of determining on-line the current qualitative dynamical behavior (e…

math.PR2016

Uniform convergence to the Q-process

Nicolas Champagnat, Denis Villemonais

The first aim of the present note is to quantify the speed of convergence of a conditioned process toward its Q-process under suitable assumptions on the quasi-stationary distribut…

math.AG2016★ 17 cited

Generic positivity and applications to hyperbolicity of moduli spaces

Benoît Claudon, Stefan Kebekus, Behrouz Taji

The proof of the celebrated Viehweg's hyperbolicity conjecture is a consequence of two remarkable results: Viehweg and Zuo's existence results for global pluri-differential forms i…

math.PR2016★ 4 cited

One-dimensional reflected rough differential equations

Aurelien Deya, Massimiliano Gubinelli, Martina Hofmanova +1

We prove existence and uniqueness of the solution of a one-dimensional rough differential equation driven by a step-2 rough path and reflected at zero. In order to deal with the la…

math.NT2016

Computable Absolutely Pisot Normal Numbers

Manfred G. Madritsch, Adrian-Maria Scheerer, Robert F. Tichy

We analyze the convergence order of an algorithm producing the digits of an absolutely normal number. Furthermore, we introduce a stronger concept of absolute normality by allowing…

math.SG2016★ 11 cited

Conserved quantities on multisymplectic manifolds

Leonid Ryvkin, Tilmann Wurzbacher, Marco Zambon

Given a vector field on a manifold M, we define a globally conserved quantity to be a differential form whose Lie derivative is exact. Integrals of conserved quantities over suitab…