Showing 2018Show all

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cond-mat.mes-hall2018★ 23 cited

Creep of Chiral Domain Walls

Dion M. F. Hartmann, Rembert A. Duine, Mariëlle J. Meijer +2

Recent experimental studies of magnetic domain expansion under easy-axis drive fields in materials with a perpendicular magnetic anisotropy have shown that the domain wall velocity…

astro-ph.HE2018★ 23 cited

Searching for the most powerful thermonuclear X-ray bursts with the Neil Gehrels Swift Observatory

J. J. M. in 't Zand, M. J. W. Kries, D. M. Palmer +1

We searched for thermonuclear X-ray bursts from Galactic neutron stars in all event mode data of the Neil Gehrels Swift Observatory collected until March 31, 2018. In particular, w…

hep-ex2018★ 13 cited

Measuring the atmospheric neutrino oscillation parameters and constraining the 3+1 neutrino model with ten years of ANTARES data

ANTARES Collaboration, A. Albert, M. André +133

The ANTARES neutrino telescope has an energy threshold of a few tens of GeV. This allows to study the phenomenon of atmospheric muon neutrino disappearance due to neutrino oscillat…

cond-mat.soft2018★ 56 cited

Slip length dependent propulsion speed of catalytic colloidal swimmers near walls

Stefania Ketzetzi, Joost de Graaf, Rachel P. Doherty +1

Catalytic colloidal swimmers that propel due to self-generated fluid flows exhibit strong affinity for surfaces. We here report experimental measurements of significantly different…

hep-th2018★ 70 cited

Shapes of gravity: Tensor non-Gaussianity and massive spin-2 fields

Garrett Goon, Kurt Hinterbichler, Austin Joyce +1

If the graviton is the only high spin particle present during inflation, then the form of the observable tensor three-point function is fixed by de Sitter symmetry at leading order…

hep-th2018★ 164 cited

The Swampland Distance Conjecture for Kahler moduli

Pierre Corvilain, Thomas W. Grimm, Irene Valenzuela

The Swampland Distance Conjecture suggests that an infinite tower of modes becomes exponentially light when approaching a point that is at infinite proper distance in field space.…

cond-mat.mtrl-sci2018★ 45 cited

Charge-transfer effect in hard x-ray 1 and 2 photoemission spectra: LDA+DMFT and cluster-model analysis

Mahnaz Ghiasi, Atsushi Hariki, Mathias Winder +6

We study and hard x-ray photoemission spectra (XPS) in a series of late transition metal oxides: FeO (3), FeTiO (3), CoO (3) and NiO (3$d…

cs.AI2018

Abstracting Causal Models

Sander Beckers, Joseph Y. Halpern

We consider a sequence of successively more restrictive definitions of abstraction for causal models, starting with a notion introduced by Rubenstein et al. (2017) called exact tra…

cond-mat.mes-hall2018★ 29 cited

Extended Bloch theorem for topological lattice models with open boundaries

Flore K. Kunst, Guido van Miert, Emil J. Bergholtz

While the Bloch spectrum of translationally invariant noninteracting lattice models is trivially obtained by a Fourier transformation, diagonalizing the same problem in the presenc…

nucl-ex2018★ 23 cited

Charged-particle pseudorapidity density at mid-rapidity in p-Pb collisions at = 8.16 TeV

ALICE Collaboration

The pseudorapidity density of charged particles, $\rm{d}\it{N}_\rm{ch}/\rm{d}\itη$, in p-Pb collisions has been measured at a centre-of-mass energy per nucleon-nucleon pair of $\sq…

cond-mat.quant-gas2018★ 25 cited

Dynamics of a Space-Time Crystal in an Atomic Bose-Einstein Condensate

Lei Liao, Jasper Smits, Peter van der Straten +1

A space-time crystal has recently been observed in a superfluid Bose gas. Here we construct a variational model that allows us to describe from first principles the coupling betwee…

cond-mat.mes-hall2018★ 19 cited

Spin current cross-correlations as a probe of magnon coherence

Scott A. Bender, Akashdeep Kamra, Wolfgang Belzig +1

Motivated by the important role of the normalized second order coherence function, often called , in the field of quantum optics, we propose a method to determine magnon c…

math-ph2018★ 27 cited

Polynomial tau-functions of BKP and DKP hierarchies

Victor Kac, Johan van de Leur

We construct all polynomial tau-functions of the BKP, DKP and MDKP hierarches.

cond-mat.soft2018★ 247 cited

ESPResSo 4.0 -- An Extensible Software Package for Simulating Soft Matter Systems

Florian Weik, Rudolf Weeber, Kai Szuttor +7

ESPResSo 4.0 is an extensible simulation package for research on soft matter. This versatile molecular dynamics program was originally developed for coarse-grained simulations of c…

cs.DS2018

Nearly ETH-Tight Algorithms for Planar Steiner Tree with Terminals on Few Faces

Sándor Kisfaludi-Bak, Jesper Nederlof, Erik Jan van Leeuwen

The Planar Steiner Tree problem is one of the most fundamental NP-complete problems as it models many network design problems. Recall that an instance of this problem consists of a…

hep-th2018★ 23 cited

Black resonators and geons in AdS

Takaaki Ishii, Keiju Murata

We construct dynamical black hole solutions with a helical symmetry in AdS, called black resonators, as well as their horizonless limits, called geons. We introduce a cohomogen…

cond-mat.str-el2018★ 1 cited

Site selective spin and orbital excitations in Fe3O4

H. Elnaggar, R. Wang, S. Lafuerza +10

is a mixed-valence strongly correlated transition metal oxide which displays the intriguing metal to insulator Verwey transition. Here we investigate the electronic and m…

cond-mat.soft2018★ 14 cited

Supramolecular copolymers predominated by alternating order: theory and application

Reinier van Buel, Daniel Spitzer, Paul van der Schoot +2

We investigate the copolymerization behavior of a two-component system into quasi-linear self-assemblies under conditions that interspecies binding is favored over identical specie…

cs.CG2018★ 5 cited

Smoothed Analysis of the Art Gallery Problem

Michael Gene Dobbins, Andreas Holmsen, Tillmann Miltzow

In the Art Gallery Problem we are given a polygon on vertices and a number . We want to find a guard set of size , such that each point in is s…

nucl-ex2018★ 23 cited

Study of J/ azimuthal anisotropy at forward rapidity in Pb-Pb collisions at = 5.02 TeV

ALICE Collaboration

The second () and third () flow harmonic coefficients of J/ mesons are measured at forward rapidity (2.5 4.0) in Pb-Pb collisions at =…

hep-th2018★ 9 cited

Quantum Corrections to Central Charges and Supersymmetric Casimir Energy in AdS/CFT

Arash Arabi Ardehali, Finn Larsen, James T. Liu +1

We study the Casimir energy of bulk fields in AdS and its relation to subleading terms in the central charge of the dual CFT. Computing both sides of the standard CFT r…

cond-mat.str-el2018★ 16 cited

Screening of Coulomb interactions in Holography

Enea Mauri, Henk Stoof

We introduce Coulomb interactions in the holographic description of strongly interacting systems, by performing a (current-current) double-trace deformation of the boundary theory.…

hep-th2018★ 57 cited

Inverse Anisotropic Catalysis in Holographic QCD

Umut Gursoy, Matti Jarvinen, Govert Nijs +1

We investigate the effects of anisotropy on the chiral condensate in a holographic model of QCD with a fully backreacted quark sector at vanishing chemical potential. The high temp…

nucl-ex2018★ 10 cited

Jet fragmentation transverse momentum measurements from di-hadron correlations in = 7 TeV pp and = 5.02 TeV p-Pb collisions

ALICE Collaboration

The transverse structure of jets was studied via jet fragmentation transverse momentum () distributions, obtained using two-particle correlations in proton-proton and p…