output
19952026
most citedThe virtual crystal approximation revisited: Application to dielectric and piezoelectric properties of perovskites

912 citations

Showing 2015Show all

67 papers · 1 filter

cond-mat.mtrl-sci2015★ 59 cited

Room-temperature paramagnetoelectric effect in magnetoelectric multiferroics Pb(Fe1/2Nb1/2)O3 and its solid solution with PbTiO3

V. V. Laguta, A. N. Morozovska, E. A. Eliseev +5

We have observed the magnetoelectric response at room temperature and above in high-resistive ceramics made of multiferroic Pb(Fe1/2Nb1/2)O3 (PFN) and PFN-based solid solution 0.91…

math.DG2015★ 4 cited

Higher order fermionic and bosonic operators on cylinders and Hopf manifolds

Chao Ding, Raymond Walter, John Ryan

Higher order higher spin operators are generalizations of -powers of the Dirac operator. In this paper, we study higher order higher spin operators defined on some conformally…

cond-mat.mtrl-sci2015★ 126 cited

A multiferroic on the brink: uncovering the nuances of strain-induced transitions in BiFeO

Daniel Sando, Bin Xu, Laurent Bellaiche +1

Bismuth ferrite (BiFeO) is one of the very few known single-phase multiferroic materials. While the bulk compound is rhombohedral (R), the discovery of an epitaxial strain-indu…

physics.optics2015★ 119 cited

Diffraction-free beams in fractional Schrödinger equation

Yiqi Zhang, Hua Zhong, Milivoj R. Belić +3

We investigate the propagation of one-dimensional and two-dimensional (1D, 2D) Gaussian beams in the fractional Schrödinger equation (FSE) without a potential, analytically and num…

math.DG2015

Higher Order Fermionic and Bosonic Operators

Chao Ding, Raymond Walter, John Ryan

This paper studies a particular class of higher order conformally invariant dif- ferential operators and related integral operators acting on functions taking values in particular…

cond-mat.mtrl-sci2015★ 27 cited

Electrostriction coefficient of ferroelectric materials from ab initio computation

Z. Jiang, R. Zhang, F. Li +4

Electrostriction is an important material property that characterizes how strain changes with the development of polarization inside a material. We show that \textit{ab initio }tec…

cond-mat.str-el2015★ 8 cited

Metallic interface in non-SrTiO3 based titanate superlattice

Xiaoran Liu, D. Choudhury, Yanwei Cao +3

We report on the fabrication of all perovskite Mott insulator/band insulator YTiO3/CaTiO3 superlattices by pulsed laser deposition. The combination of in situ reflection high energ…

cond-mat.mes-hall2015★ 1 cited

Probing InAs quantum dot states with surface plasmon polaritons

Fernando W. de Alencar Sobreira, Yuriy I. Mazur, Xian Hu +2

When placed near a thin metallic film, excitons in a quantum dot (QD) decay into surface plasmon polaritons (SPPs), guided modes of light confined at the interface of the metal/die…

astro-ph.GA2015★ 16 cited

Spirality: A Novel Way to Measure Spiral Arm Pitch Angle

Douglas W. Shields, Benjamin Boe, Casey Pfountz +6

We present the MATLAB code Spirality, a novel method for measuring spiral arm pitch angles by fitting galaxy images to spiral templates of known pitch. Computation time is typicall…

math.SG2015★ 10 cited

Fillings of unit cotangent bundles

Steven Sivek, Jeremy Van Horn-Morris

We study the topology of exact and Stein fillings of the canonical contact structure on the unit cotangent bundle of a closed surface , where is at least 2. In particular,…

astro-ph.GA2015★ 132 cited

ALMA Deep Field in SSA22: A concentration of dusty starbursts in a z=3.09 protocluster core

H. Umehata, Y. Tamura, K. Kohno +20

We report the results of mapping at 1.1~mm with the Atacama Large Millimeter/submillimeter Array (ALMA) toward the central region of the SS…

astro-ph.EP2015

Periodic mass extinctions and the Planet X model reconsidered

Daniel P. Whitmire

The 27 Myr periodicity in the fossil extinction record has been confirmed in modern data bases dating back 500 Myr, which is twice the time interval of the original analysis from t…

physics.optics2015★ 33 cited

Dual accelerating Airy-Talbot recurrence effect

Yiqi Zhang, Hua Zhong, Milivoj R. Belić +4

We demonstrate the dual accelerating Airy-Talbot recurrence effect, i.e., the self-imaging of accelerating optical beams, by propagating a superposition of Airy beams with successi…

physics.optics2015★ 9 cited

Propagation dynamics of a light beam in fractional Schr\"odinger equation

Yiqi Zhang, Xing Liu, Milivoj R. Belić +3

Dynamics of wavepackets in fractional Schrodinger equation is still an open problem. The difficulty stems from the fact that the fractional Laplacian derivative is essentially a n…

cond-mat.mes-hall2015★ 110 cited

Two-dimensional disorder in black phosphorus and monochalcogenide monolayers

Mehrshad Mehboudi, Alex M. Dorio, Wenjuan Zhu +6

Ridged, orthorhombic two-dimensional atomic crystals with a bulk {\em Pnma} structure such as black phosphorus and monochalcogenide monolayers are an exciting and novel material pl…

math.AG2015★ 2 cited

Mather-Jacobian singularities under generic linkage

Wenbo Niu

In this paper, we prove that Mather-Jacobian (MJ) singularities are preserved under the process of generic linkage. More precisely, let be a variety with MJ-canonical (resp. MJ…

q-bio.BM2015★ 488 cited

Real-time shape approximation and 5-D fingerprinting of single proteins

Erik C. Yusko, Brandon R. Bruhn, Olivia Eggenberger +10

This work exploits the zeptoliter sensing volume of electrolyte-filled nanopores to determine, simultaneously and in real time, the approximate shape, volume, charge, rotational di…

gr-qc2015★ 3 cited

Estimating effective higher order terms in the post-Newtonian binding energy and gravitational-wave flux: Non-spinning compact binary inspiral

Shasvath J. Kapadia, Nathan K. Johnson-McDaniel, Parameswaran Ajith

In the adiabatic post-Newtonian (PN) approximation, the phase evolution of gravitational waves (GWs) from inspiralling compact binaries in quasicircular orbits is computed by equat…

cond-mat.mtrl-sci2015★ 376 cited

Single Photon Emission from Single Perovskite Nanocrystals of Cesium Lead Bromide

Fengrui Hu, Huichao Zhang, Chun Sun +7

The power conversion efficiency of photovoltaic devices based on semiconductor perovskites has reached ~20% after just several years of research efforts. With concomitant discoveri…

math-ph2015

Green's function asymptotics near the internal edges of spectra of periodic elliptic operators. Spectral gap interior

Minh Kha, Peter Kuchment, Andrew Raich

Precise asymptotics known for the Green function of the Laplacian have found their analogs for bounded below periodic elliptic operators of the second-order below and at the bottom…

math.GR2015★ 1 cited

-torsion of free-by-cyclic groups

Matt Clay

We provide an upper bound on the -torsion of a free-by-cyclic group, , in terms of a relative train-track representative for $Φ…

cond-mat.str-el2015★ 48 cited

Driving spin excitations by hydrostatic pressure in BiFeO3

J. Buhot, C. Toulouse, Y. Gallais +10

Optical spectroscopy has been combined with computational and theoretical techniques to show how the spin dynamics in the model multiferroic BiFeO3 responds to the application of h…

math.CV2015★ 3 cited

On Some Conformally Invariant Operators in Euclidean Space

Chao Ding, John Ryan

The aim of this paper is to correct a mistake in earlier work on the conformal invariance of Rarita-Schwinger operators and use the method of correction to develop properties of so…

cond-mat.mtrl-sci2015★ 16 cited

Magnetism and electronic structure of YTiO thin films

Yanwei Cao, P. Shafer, Xiaoran Liu +6

High-quality (001)-oriented (pseudo-cubic notation) ferromagnetic YTiO thin films were epitaxially synthesized in a layer-by-layer way by pulsed laser deposition. Structural, m…