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
25 papers · 2 filters
Magnetic field induced quantum phase transition of the antiferromagnet
S. Nellutla, M. Pati, Y. -J. Jo +11
The magnetic properties of alkali-metal peroxychromate KNaCrO are governed by the pentavalent chromium cation, Cr. Specific heat, magnetocalorimetry, ac ma…
Surface Reconstruction of Hexagonal Y-doped HoMnO3 and LuMnO3 studied using low-energy electron diffraction
R. Vasic, J. T. Sadowski, Y. J. Choi +5
We have investigated the (0001) surfaces of several hexagonal manganite perovskites by low-energy electron diffraction (LEED) in order to determine if the surface periodicity is di…
Pressure-Induced Insulating State in Ba1-xRExIrO3 (RE = Gd, Eu) Single Crystals
O. B. Korneta, S. Chikara, S. Parkin +3
BaIrO3 is a novel insulator with coexistent weak ferromagnetism, charge and spin density wave. Dilute RE doping for Ba induces a metallic state, whereas application of modest press…
Aging and memory in a two-dimensional electron system in Si
J. Jaroszynski, Dragana Popovic
The relaxations of conductivity after a temporary change of carrier density n_s during the waiting time t_w have been studied in a strongly disordered two-dimensional electron syst…
Photovoltaic effect for narrow-gap Mott insulators
Efstratios Manousakis
We discuss the photovoltaic effect at a p-n heterojunction, in which the illuminated side is a doped Mott insulator, using the simplest description of a Mott insulator within the H…
Influence of disorder on incoherent transport near the Mott transition
Milos M. Radonjic, D. Tanaskovic, V. Dobrosavljevic +1
We calculate the optical and DC conductivity for half-filled disordered Hubbard model near the Mott metal-insulator transition. As in the clean case, large metallic resistivity is…
Electron correlation and spin density wave order in iron pnictides
Sen Zhou, Ziqiang Wang
We study the correlation effects on the electronic structure and spin density wave order in Fe-pnictides. Using the multiorbital Hubbard model and Gutzwiller projection, we show th…
Quantum ripples in strongly correlated metals
E. C. Andrade, E. Miranda, V. Dobrosavljevic
We study how well-known effects of the long-ranged Friedel oscillations are affected by strong electronic correlations. We first show that their range and amplitude are significant…
NMR Studies of Field Induced Magnetism in CeCoIn
N. J. Curro, B. -L. Young, R. R. Urbano +1
Recent Nuclear Magnetic Resonance and elastic neutron scattering experiments have revealed conclusively the presence of static incommensurate magnetism in the field-induced B phase…
Magnetic excitations in Kondo liquid: Superconductivity and Hidden Magnetic Quantum Critical Fluctuations
Yi-feng Yang, Ricardo Urbano, Nicholas J. Curro +1
We report Knight shift experiments on the superconducting heavy electron material CeCoIn that allow one to track with some precision the behavior of the heavy electron Kondo li…
Role of anion size, magnetic moment, and disorder on the properties of the organic conductor kappa-(BETS)_2Ga_{1-x}Fe_{x}Cl_{4-y}_Br_{y}
E. Steven, H. B. Cui, A. Kismarahardja +3
Shubnikov-de Haas and angular dependent magnetoresistance oscillations have been used to explore the role of anion size, magnetic moment, and disorder in the organic conductors kap…
Geometrical and orbital effects in a quasi-one dimensional conductor
D. Graf, J. S. Brooks, E. S. Choi +4
The angular dependent magnetoresistance of (Per)2[Au(mnt)2] under pressure has revealed geometrical effects associated with the crystallographic parameters. Pressure suppresses the…
Mossbauer spectroscopy study of the "mysterious" magnetic transition in lambda-(BETS)2FeCl4
J. C. Waerenborgh, S. Rabaca, M. Almeida +3
The compound lambda-(BETS)2FeCl4 provides an effective demonstration of the interaction of pi-conduction electron and d-electron localized moment systems in molecular crystalline m…
Large Positive Magnetoresistance of the Lightly Doped La_{2}CuO_{4} Mott Insulator
I. Raicevic, Dragana Popovic, C. Panagopoulos +1
The in-plane and out-of-plane magnetoresistance (MR) of single crystals of La_2CuO_4, lightly doped (x=0.03) with either Sr (La_{2-x}Sr_xCuO_4) or Li (La_2Cu_{1-x}Li_xO_4), have be…
Nonlinear Hall effect as a signature of electronic phase separation in the semimetallic ferromagnet EuB6
Xiaohang Zhang, Liuqi Yu, Stephan von Molnar +2
This work reports a study of the nonlinear Hall Effect (HE) in the semimetallic ferromagnet EuB6. A distinct switch in its Hall resistivity slope is observed in the paramagnetic ph…
Giant Magneto-electric Effect in the Novel Mott Insulator, Sr2IrO4
S. Chikara, O. Korneta, W. P. Crummett +3
Our magnetic, electrical, and thermal measurements on single-crystals of the novel Mott insulator, Sr2IrO4, reveal a novel giant magneto-electric effect (GME) arising from a frustr…
Fluctuation-Induced Heat Release from Temperature-Quenched Nuclear Spins near a Quantum Critical Point
Y. H. Kim, N. Kaur, B. M. Atkins +2
At a quantum critical point (QCP) -- a zero-temperature singularity in which a line of continuous phase transition terminates -- quantum fluctuations diverge in space and time, lea…
Many-body instability of Coulomb interacting bilayer graphene: RG approach
Oskar Vafek, Kun Yang
Low-energy electronic structure of (unbiased) bilayer graphene is made of two Fermi points with quadratic dispersions, if trigonal-warping and other high order contributions are ig…
Edge states in a honeycomb lattice: effects of anisotropic hopping and mixed edges
Hari P. Dahal, Zi-Xiang Hu, N. A. Sinitsyn +2
We study the edge states in graphene in the presence of a magnetic field perpendicular to the plane of the lattice. Most of the works done so far discuss the edge states in either…
Fermi Surface of Alpha-Uranium at Ambient Pressure
D. Graf, R. Stillwell, T. P. Murphy +10
We have performed de Haas-van Alphen measurements of the Fermi surface of alpha-uranium single crystals at ambient pressure within the alpha-3 charge density wave (CDW) state from…
Relativistic Mott criticality in graphene
Igor F. Herbut, Vladimir Juricic, Oskar Vafek
We formulate the effective Gross-Neveu-Yukawa theory of the semimetal-insulator transitions on the honeycomb lattice and compute its quantum critical behavior near three (spatial)…
Pressure Evolution of a Field Induced Fermi Surface Reconstruction and of the Neel Critical Field in CeIn3
K. M. Purcell, D. Graf, M. Kano +12
We report high-pressure skin depth measurements on the heavy fermion material CeIn3 in magnetic fields up to 64 T using a self-resonant tank circuit based on a tunnel diode oscilla…
Quantum critical behavior driven by Hund's rule coupling in quantum antiferromagnets
Efstratios Manousakis
When localized spins on different d orbitals prefer different types of antiferromagnetic ordering, the Hund's rule coupling creates frustration. Using spin-wave theory we study the…
Is the nature of magnetic order in copper-oxides and in iron-pnictides different?
E. Manousakis, J. Ren, S. Meng +1
We use the results of first-principles electronic structure calculations and a strong coupling perturbation approach, together with general theoretical arguments, to illustrate the…