Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Panjab UniversityIN1.9k papers
- University of Illinois ChicagoUS1.9k papers
- Purdue University West LafayetteUS1.9k papers
- Centre National de la Recherche ScientifiqueFR1.8k papers
- Florida State UniversityUS1.8k papers
- Fermi National Accelerator LaboratoryUS1.8k papers
- University of RochesterUS1.7k papers
- University of California, RiversideUS1.7k papers
- University of VirginiaUS1.7k papers
- Brown UniversityUS1.7k papers
- Texas A&M UniversityUS1.7k papers
- University of KansasUS1.7k papers
18 papers · 2 filters
Nanostructure Investigations of Nonlinear Differential Conductance in NdNiO Thin Films
Will J. Hardy, Heng Ji, Evgeny Mikheev +2
Transport measurements on thin films of NdNiO reveal a crossover to a regime of pronounced nonlinear conduction below the well-known metal-insulator transition temperature. The…
Ising-nematic order in the bilinear-biquadratic model for the iron pnictides
Patricia Bilbao Ergueta, Andriy H. Nevidomskyy
Motivated by the recent inelastic neutron scattering (INS) measurements in the iron pnictides which show a strong anisotropy of spin excitations in directions perpendicular and par…
Non-Fermi Liquid Behavior Close to a Quantum Critical Point in a Ferromagnetic State without Local Moments
E. Svanidze, L. Liu, B. Frandsen +12
A quantum critical point (QCP) occurs upon chemical doping of the weak itinerant ferromagnet Sc_{3.1}In. Remarkable for a system with no local moments, the QCP is accompanied by no…
Strong magnetic coupling in the hexagonal R5Pb3 compounds (R = Gd-Tm)
Andrea Marcinkova, Clarina de la Cruz, Joshua Yip +4
We have synthesized R5Pb3 (R = Gd-Tm) compounds in polycrystalline form and performed structural analysis, magnetization, and neutron scattering measurements. For all R5Pb3 reporte…
Effective Exchange Interactions for Bad Metals and Implications for Iron-based Superconductors
Wenxin Ding, Rong Yu, Qimiao Si +1
The experimentally observed bad metal behavior in parent iron pnictides and chalcogenides suggests that these systems contain strong electronic correlations and are on the verge of…
Thermally Driven Analog of the Barkhausen Effect at the Metal-Insulator Transition in Vanadium Dioxide
Benjamin Huber-Rodriguez, Siu Yi Kwang, Will J. Hardy +4
The physics of the metal-insulator transition (MIT) in vanadium dioxide remains a subject of intense interest. Because of the complicating effects of elastic strain on the phase tr…
Composite fermion-boson mapping for fermionic lattice models
Jinmo Zhao, Carlos A. Jimenez-Hoyos, Gustavo E. Scuseria +4
We present a mapping of elementary fermion operators onto a quadratic form of composite fermionic and bosonic operators. The mapping is an exact isomorphism as long as the physical…
Novel Itinerant Antiferromagnet TiAu
E. Svanidze, Jiakui K. Wang, T. Besara +10
Itinerant and local moment magnetism have substantively different origins, and require distinct theoretical treatment. A unified theory of magnetism has long been sought after, and…
Lie Algebraic Similarity Transformed Hamiltonians for Lattice Model Systems
Jacob M. Wahlen-Strothman, Carlos A. Jimenez-Hoyos, Thomas M. Henderson +1
We present a class of Lie algebraic similarity transformations generated by exponentials of two-body on-site hermitian operators whose Hausdorff series can be summed exactly withou…
Cluster Extended Dynamical Mean Field Approach and Unconventional Superconductivity
J. H. Pixley, Ang Cai, Qimiao Si
The extended dynamical mean field theory has played an important role in the study of quantum phase transitions in heavy fermion systems. In order to incorporate the physics of unc…
Heavy Fermion Quantum Criticality and Destruction of the Kondo Effect in a Nickel Oxypnictide
Yongkang Luo, Leonid Pourovskii, S. E. Rowley +8
A quantum critical point arises at a continuous transformation between distinct phases of matter at zero temperature. Studies in antiferromagnetic heavy fermion materials have reve…
Variational description of the ground state of the repulsive two-dimensional Hubbard model in terms of nonorthogonal symmetry-projected Slater determinants
R. Rodríguez-Guzmán, Carlos A. Jiménez-Hoyos, Gustavo E. Scuseria
The few determinant (FED) methodology, introduced in our previous works for 1D lattices, is here adapted for the repulsive two-dimensional Hubbard model at half-filling and with fi…
Orbital Nematic Order and Interplay with Magnetism in the Two-Orbital Hubbard Model
Zhentao Wang, Andriy H. Nevidomskyy
Motivated by the recent angle-resolved photoemission spectroscopy (ARPES) on FeSe and iron pnictide families of iron-based superconductors, we have studied the orbital nematic orde…
Magnetic and Ising quantum phase transitions in a model for isoelectronically tuned iron pnictides
Jianda Wu, Qimiao Si, Elihu Abrahams
Considerations of the bad-metal behavior led to an early proposal for a quantum critical point under a P for As doping in the iron pnictides, which has since been experimentally ob…
Frustration and Multicriticality in the Antiferromagnetic Spin-1 Chain
J. H. Pixley, Aditya Shashi, Andriy H. Nevidomskyy
We study the spin Heisenberg chain, with nearest neighbor, next nearest neighbor () and biquadratic () interactions using a combination of the density matrix renormaliz…
Finite temperature spin dynamics in a perturbed quantum critical Ising chain with an symmetry
Jianda Wu, Márton Kormos, Qimiao Si
A spectrum exhibiting symmetry is expected to arise when a small longitudinal field is introduced in the transverse-field Ising chain at its quantum critical point. Evidence…
Multi-reference symmetry-projected variational approximation for the ground state of the doped one-dimensional Hubbard model
R. Rodríguez-Guzmán, Carlos A. Jiménez-Hoyos, Gustavo E. Scuseria
A multi-reference configuration mixing scheme is used to describe the ground state, characterized by well defined spin and space group symmetry quantum numbers as well as doping fr…
Symmetry-projected Wave Functions in Quantum Monte Carlo Calculations
Hao Shi, Carlos A. Jiménez-Hoyos, R. Rodríguez-Guzmán +2
We consider symmetry-projected Hartree--Fock trial wave functions in constrained-path Monte Carlo (CPMC) calculations. Previous CPMC calculations have mostly employed Hartree--Fock…