10.6k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Centre National de la Recherche ScientifiqueFR2.1k papers
- Commissariat à l'Énergie Atomique et aux Énergies AlternativesFR2k papers
- Institut National de Physique Nucléaire et de Physique des ParticulesFR1.9k papers
- University of California, RiversideUS1.9k papers
- University of VirginiaUS1.8k papers
- Rice UniversityUS1.8k papers
- Fermi National Accelerator LaboratoryUS1.8k papers
- Princeton UniversityUS1.8k papers
- Charles UniversityCZ1.8k papers
- University of Maryland, College ParkUS1.7k papers
- Tata Institute of Fundamental ResearchIN1.7k papers
- University of Notre DameUS1.7k papers
130 papers · 1 filter
Quark propagator from an improved staggered action in Laplacian and Landau gauges
P. O. Bowman, U. M. Heller, A. G. Williams
Studies of gauge dependent quantities are afflicted with Gribov copies, but Laplacian gauge fixing provides one possible solution to this problem. We present results for the lattic…
Halide Adsorption on Single-crystal Silver Substrates: Dynamic Simulations and ab-initio Density-functional Theory
S. J. Mitchell, Sanwu Wang, P. A. Rikvold
We investigate the static and dynamic behaviors of a Br adlayer electrochemically deposited onto single-crystal Ag(100) using an off-lattice model of the adlayer. Unlike previous s…
Performance and Simulation of the RICE detector
I. Kravchenko
The RICE experiment (Radio Ice Cherenkov Experiment) at the South Pole, co-deployed with the AMANDA experiment, seeks to detect ultra-high energy (UHE) electron neutrinos interacti…
Going through Rough Times: from Non-Equilibrium Surface Growth to Algorithmic Scalability
G. Korniss, M. A. Novotny, P. A. Rikvold +2
Efficient and faithful parallel simulation of large asynchronous systems is a challenging computational problem. It requires using the concept of local simulated times and a synchr…
Centrality dependence of pi^[+/-], K^[+/-], p and p-bar production from sqrt(s_NN)=130 GeV Au + Au collisions at RHIC
PHENIX Collaboration, K. Adcox
Identified pi^[+/-] K^[+/-], p and p-bar transverse momentum spectra at mid-rapidity in sqrt(s_NN)=130 GeV Au-Au collisions were measured by the PHENIX experiment at RHIC as a func…
Homological algebra of multivalued action functionals
E. Aldrovandi
We outline a cohomological treatment for multivalued (classical) action functionals. We point out that an application of Takens' theorem, after Zuckerman, Deligne and Freed, allows…
Effects of a Parallel Magnetic Field on the Metal-Insulator Transition in a Dilute Two-Dimensional Electron System
Kevin Eng, X. G. Feng, Dragana Popovic +1
The temperature dependence of conductivity of a two-dimensional electron system in silicon has been studied in parallel magnetic fields B. At B=0, the system displays a meta…
Detailed single crystal EPR lineshape measurements for the single molecule magnets Fe8Br and Mn12-ac
S. Hill, S. Maccagnano, K. Park +3
It is shown that our multi-high-frequency (40-200 GHz) resonant cavity technique yields distortion-free high field EPR spectra for single crystal samples of the uniaxial and biaxia…
A Phase Glass is a Bose Metal: New Conducting State in 2D
Denis Dalidovich, Philip Phillips
In the quantum rotor model with random exchange interactions having a non-zero mean, three phases, a 1) phase (Bose) glass, 2) superfluid, and 3) Mott insulator, meet at a bi-criti…
Effect of Defects on the Line shape of Electron Paramagnetic Resonance Signals from the Single-Molecule Magnet Mn12: A Theoretical Study
Kyungwha Park, N. S. Dalal, P. A. Rikvold
We herein estimate the effect of lattice defects on the line shape of electron paramagnetic resonance (EPR) signals from a single crystal of the S=10 single-molecule magnet Mn$_{12…
Probing the QCD vacuum with overlap fermions
Robert G. Edwards, Urs M. Heller
We use low lying eigenvectors of the overlap-Dirac operator as a probe of the QCD vacuum. If instantons play a significant role one would expect the low lying eigenmodes of the ove…
The quasielastic 2H(e,e'p)n reaction at high recoil momenta
P. E. Ulmer, K. A. Aniol, H. Arenhoevel +27
The 2H(e,e'p)n cross section was measured in Hall A of the Thomas Jefferson National Accelerator Facility (JLab) in quasielastic kinematics (x=0.96) at a four-momentum transfer squ…
Measurement of GEp/GMp in ep -> ep to Q2 = 5.6 GeV2
O. Gayou, E. J. Brash, M. K. Jones +4
The ratio of the electric and magnetic form factors of the proton, GEp/GMp, was measured at the Thomas Jefferson National Accelerator Facility (JLab) using the recoil polarization…
Search for R-parity Violating Supersymmetry in Dimuon and Four-Jets Channel
D0 collaboration, V. M. Abazov etal
We present results of a search for R-parity-violating decay of the neutralino chi_1^0, taken to be the Lightest Supersymmetric Particle. It is assumed that this decay proceeds thro…
Search for Leptoquark Pairs Decaying to neutrino neutrino + jets in p anti-p Collisions at s**(1/2)=1.8 TeV
D0 Collaboration, V. M. Abazov
We present the results of a search for leptoquark (LQ) pairs in (85.2 +- 3.7) pb^{-1} of p anti-p collider data collected by the D0 experiment at the Fermilab Tevatron. We observe…
Quadratic transverse anisotropy term due to dislocations in Mn12-Ac directly obtained by EPR spectroscopy
R. Amigo, E. del Barco, Ll. Casas +6
High-Sensitivity Electron Paramagnetic Resonance experiments have been carried out in fresh and stressed Mn12-Acetate single crystals for frequencies ranging from 40 GHz up to 110…
Diluted Magnetic Semiconductors in the Low Carrier Density Regime
R. N. Bhatt, Mona Berciu, Malcolm P. Kennett +1
This paper, based on a presentation at the Spintronics 2001 conference, provides a review of our studies on II-VI and III-V Mn-doped Diluted Magnetic Semiconductors. We use simple…
Direct Measurement of the Spin Hamiltonian and Observation of Condensation of Magnons in the 2D Frustrated Quantum Magnet Cs2CuCl4
R. Coldea, D. A. Tennant, K. Habicht +3
We propose a method for measuring spin Hamiltonians and apply it to the spin-1/2 Heisenberg antiferromagnet Cs2CuCl4, which shows a 2D fractionalized RVB state at low fields. By ap…
First Measurement of the Double Spin Asymmetry in in the Resonance Region
CLAS Collaboration, R. De Vita
The double spin asymmetry in the reaction has been measured for the first time in the resonance region for four-momentum transfer GeV$^2…
Electron Paramagnetic Resonance Linewidths and Lineshapes for the Molecular Magnets Fe8 and Mn12
Kyungwha Park, M. A. Novotny, N. S. Dalal +2
We study theoretically Electron Paramagentic Resonance (EPR) linewidths for single crystals of the molecular magnets Fe and Mn as functions of energy eigenstates ,…
Evolution of magnetic polarons and spin-carrier interactions through the metal-insulator transition in EuGdO
H. Rho, C. S. Snow, S. L. Cooper +3
Raman scattering studies as functions of temperature, magnetic field, and Gd-substitution are used to investigate the evolution of magnetic polarons and spin-carrier interactions t…
Suppression of Hadrons with Large Transverse Momentum in Central Au+Au Collisions at $sqrt {s sub {sub {NN}}}_ = 130 GeV
PHENIX Collaboration, K. Adcox
Transverse momentum spectra for charged hadrons and for neutral pions in the range 1 GeV/c 5 GeV/c have been measured by the PHENIX experiment at RHIC in Au+Au collisions…
Novel Methods for Determining Effective Interactions for the Nuclear Shell Model
H. Mueller, J. R. Shepard, J. Piekarewicz
The Contractor Renormalization (CORE) method is applied in combination with modern effective-theory techniques to the nuclear many-body problem. A one-dimensional--yet ``realistic'…
Superconductivity in the two-dimensional t-J model
S. Sorella, G. B. Martins, F. Becca +4
Using computational techniques, it is shown that pairing is a robust property of hole doped antiferromagnetic (AF) insulators. In one dimension (1D) and for two-leg ladder systems,…