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

912 citations

Showing 2011Show all

26 papers · 1 filter

cond-mat.str-el2011★ 16 cited

Epitaxial Stabilization of Ultrathin Films of Rare-Earth Nickelates

D. J. Meyers, E. J. Moon, M. Kareev +6

We report on the synthesis of ultrathin films of highly distorted EuNiO3 (ENO) grown by interrupted pulse laser epitaxy on YAlO3 (YAO) substrates. Through mapping the phase space o…

physics.optics2011

Measurement of two independent phase-shifts using coupled parametric amplifiers

Utsab Khadka, Jiteng Sheng, Xihua Yang +1

In this article, we demonstrate a scheme capable of two-phase measurement, i.e. the simultaneous measurement of the two phase-shifts occurring in two independent Mach-Zehnder inter…

astro-ph.CO2011★ 170 cited

The Carnegie-Irvine Galaxy Survey. I. Overview and Atlas of Optical Images

Luis C. Ho, Zhao-Yu Li, Aaron J. Barth +2

The Carnegie-Irvine Galaxy Survey (CGS) is a long-term program to investigate the photometric and spectroscopic properties of a statistically complete sample of 605 bright (B_T < 1…

math.AP2011

Rarita-Schwinger Type operators on Cylinders

Junxia Li, John Ryan, Carmen J. Vanegas

Here we define Rarita-Schwinger operators on cylinders and construct their fundamental solutions. Further the fundamental solutions to the cylindrical Rarita-Schwinger type operato…

astro-ph.SR2011★ 34 cited

KIC 1571511B: A Benchmark Low-Mass Star In An Eclipsing Binary System In The Kepler Field

Aviv Ofir, Davide Gandolfi, Lars Buchhave +3

KIC 1571511 is a 14d eclipsing binary (EB) in the Kepler dataset. The secondary of this EB is a very low mass star with a mass of 0.14136 +/- 0.00036 M_sun and a radius of 0.17831…

cond-mat.mes-hall2011★ 19 cited

Temperature-dependent steady and transient emission properties of InGaN/GaN multiple quantum well nanorods

Bin Jiang, Chunfeng Zhang, Xiaoyong Wang +4

We observed different temperature-dependent behaviors of steady and transient emission properties in dry-etched InGaN/GaN multiple-quantum-well (MQW) nanorods and the parent MQWs.…

cs.DS2011★ 2 cited

The tile assembly model is intrinsically universal

David Doty, Jack H. Lutz, Matthew J. Patitz +3

We prove that the abstract Tile Assembly Model (aTAM) of nanoscale self-assembly is intrinsically universal. This means that there is a single tile assembly system U that, with pro…

astro-ph.CO2011★ 128 cited

Kiloparsec-scale Spatial Offsets in Double-peaked Narrow-line Active Galactic Nuclei. I. Markers for Selection of Compelling Dual Active Galactic Nucleus Candidates

Julia M. Comerford, Brian F. Gerke, Daniel Stern +5

Merger-remnant galaxies with kpc-scale separation dual active galactic nuclei (AGNs) should be widespread as a consequence of galaxy mergers and triggered gas accretion onto superm…

cond-mat.mtrl-sci2011★ 80 cited

Geometric frustration in compositionally modulated ferroelectrics

Narayani Choudhury, Laura Walizer, Sergey Lisenkov +1

Geometric frustration is a broad phenomenon that results from an intrinsic incompatibility between some fundamental interactions and the underlying lattice geometry1-7. Geometric f…

cond-mat.mes-hall2011★ 21 cited

Spectroscopic signatures of many-body interactions and delocalized states in self-assembled lateral quantum dot molecules

X. Zhou, S. Sanwlani, W. Liu +4

Lateral quantum dot molecules consist of at least two closely-spaced InGaAs quantum dots arranged such that the axis connecting the quantum dots is perpendicular to the growth dire…

astro-ph.CO2011★ 45 cited

A Candidate Dual AGN at z=1.175

R. Scott Barrows, Daniel Stern, Kristin Madsen +10

The X-ray source CXOXBJ142607.6+353351 (CXOJ1426+35), which was identified in a 172 ks Chandra image in the Bootes field, shows double-peaked rest-frame optical/UV emission lines,…

cond-mat.mtrl-sci2011★ 18 cited

The Structural, Energetic and Electronic Properties of Doped Carbon Nanotubes by Encapsulation of MCp2 (M=Fe, Co, Ni): a Theoretical Investigation

Fenglei Cao, Wei Ren, Xianfang Xu +2

Metallocenes can be encapsulated inside the carbon nanotubes. The structural, energetic and electronic properties of organometallic MCp2@SWCNT are obtained from DFT method. We veri…

cond-mat.mes-hall2011★ 17 cited

Prediction of the Magnetotoroidic Effect from Atomistic Simulations

Wei Ren, L. Bellaiche

An effective Hamiltonian technique is used to investigate the effect of applying curled electric fields on physical properties of stress-free BiFeO3 dots being under open-circuit e…

math.AP2011

A Subelliptic Analogue of Aronson-Serrin's Harnack Inequality

Luca Capogna, Giovanna Citti, Garrett Rea

We show that the Harnack inequality for a class of degenerate parabolic quasilinear PDE $$\p_t u=-X_i^* A_i(x,t,u,Xu)+ B(x,t,u,Xu),$$ associated to a system of Lipschitz continuous…

physics.ins-det2011★ 1 cited

Analysis of Gamma Rays and Cosmic Muons with a Single Detector

Abdel G. Bachri, Perry C. Grant, Azriel Goldschmidt

We report on the construction and upgrade of a Lawrence Berkeley National Laboratory Cosmic Muons Detector. We modify the electronics and mechanics to achieve a highly efficient ga…

math.CV2011★ 1 cited

Some Operators Associated to Rarita-Schwinger Type Operators

Junxia Li, John Ryan

In this paper we study some operators associated to the Rarita-Schwinger operators. They arise from the difference between the Dirac operator and the Rarita-Schwinger operators. Th…

math.SG2011★ 18 cited

A combinatorial DGA for Legendrian knots from generating families

Michael B. Henry, Dan Rutherford

For a Legendrian knot L in R^3 with a chosen Morse complex sequence (MCS) we construct a differential graded algebra (DGA) whose differential counts "chord paths" in the front proj…

cond-mat.mtrl-sci2011★ 105 cited

Multiferroic phase transition near room temperature in BiFeO3 films

I. C. Infante, J. Juraszek, S. Fusil +13

In multiferroic BiFeO3 thin films grown on highly mismatched LaAlO3 substrates, we reveal the coexistence of two differently distorted polymorphs that leads to striking features in…

cond-mat.str-el2011★ 24 cited

Strain dependent transport properties of the quasi two-dimensional correlated metal, LaNiO

E. J. Moon, B. A. Gray, M. Kareev +6

We explore the electrical transport and magneto-conductance in quasi two-dimensional strongly correlated ultrathin films of LaNiO (LNO) to investigate the effect of hetero-ep…

cond-mat.mtrl-sci2011★ 120 cited

Coexistence of Ferroelectric Triclinic Phases and Origin of Large Piezoelectric Responses in Highly Strained BiFeO3 films

Zuhuang Chen, S. Prosandeev, Z. L. Luo +12

The structural evolution of the strain-driven morphotropic phase boundary (MPB) in BiFeO3 films has been investigated using synchrotron x-ray diffractometry in conjunction with sca…

math.NA2011★ 13 cited

A Weak Galerkin Finite Element Method for Second-Order Elliptic Problems

Junping Wang, Xiu Ye

In this paper, authors shall introduce a finite element method by using a weakly defined gradient operator over discontinuous functions with heterogeneous properties. The use of we…

math.GT2011★ 10 cited

A Birman exact sequence for Aut(F_n)

Matthew B. Day, Andrew Putman

The Birman exact sequence describes the effect on the mapping class group of a surface with boundary of gluing discs to the boundary components. We construct an analogous exact seq…

astro-ph.CO2011★ 15 cited

The dark matter halo density profile, spiral arm morphology and black hole mass of M33

Marc S. Seigar

In this paper, we investigate the dark matter halo density profile of M33. We find that the HI rotation curve of M33 is best described by a NFW dark matter halo density profile mod…

math.GR2011★ 5 cited

Finiteness of outer automorphism groups of random right-angled Artin groups

Matthew B. Day

We consider the outer automorphism group Out(A_Gamma) of the right-angled Artin group A_Gamma of a random graph Gamma on n vertices in the Erdos--Renyi model. We show that the func…