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Variable range hopping theory for the nodal gap in strongly underdoped cuprate BiSrLaCuO
Wei-Qiang Chen, Jun-Qiu Zhang, T. M. Rice +1
Recent angle resolved photoemission spectrascope (ARPES) experiments on strongly underdoped BiSrLaCuO cuprates have reported an unusual gap in the nodal dir…
Competing states in the t-J model: uniform d-wave state versus stripe state
Philippe Corboz, T. M. Rice, Matthias Troyer
Variational studies of the t-J model on the square lattice based on infinite projected-entangled pair states (iPEPS) confirm an extremely close competition between a uniform d-wave…
Numerical Study of Charge Transport of Overdoped LaSrCuO within Semiclassical Boltzmann Transport Theory
Jonathan M. Buhmann, Matthias Ossadnik, T. M. Rice +1
The in-plane resistivity of the high-temperature oxide superconductor LaSrCuO [LSCO] shows a strong growth of a contribution linear in temperature as the doping…
Enhanced Josephson tunneling between high temperature superconductors through a normal pseudogap underdoped cuprate with a finite energy cooperon
Kun Huang, Wei-Qiang Chen, T. M. Rice +1
The Josephson coupling between optimally cuprate superconductors separated by a spacer with a finite energy cooperon excitation which contributes to the Josephson coupling strength…
Interlayer couplings and the coexistence of antiferromagnetic and d-wave pairing order in multilayer cuprates
Wei-Qiang Chen, J. Y. Gan, T. M. Rice +1
A more extended low density region of coexisting uniform antiferromagnetism and d-wave superconductivity has been reported in multilayer cuprates, when compared to single or bilaye…
Microscopic model for the semiconductor-to-ferromagnetic-metal transition in FeSiGe Alloys
Kai-Yu Yang, Y. Yamashita, A. M. Läuchli +2
The simplified bandstructure introduced by Mazurenko et al to model FeSi is used to analyze the singlet semiconductor to ferromagnetic metal transition in the isoelectronic isostru…
Analysis of the Quasiparticle Spectral Function in the Underdoped Cuprates
M. Khodas, H. -B. Yang, J. Rameau +3
We applied the approach of K.-Y. Yang, T. M. Rice and F.-Ch. Zhang (YRZ) to analyze the high resolution angular resolved photo-emission spectroscopy (ARPES) data in BiSCO obtained…
Breakdown of Landau Theory in Overdoped Cuprates near the Onset of Superconductivity
M. Ossadnik, C. Honerkamp, T. M. Rice +1
We use the functional renormalization group to analyze the temperature dependence of the quasi-particle scattering rates in the two-dimensional Hubbard model below half-filling. Us…
The semiconductor-to-ferromagnetic-metal transition in FeSb2
A. V. Lukoyanov, V. V. Mazurenko, V. I. Anisimov +2
We propose FeSb2 to be a nearly ferromagnetic small gap semiconductor, hence a direct analog of FeSi. We find that despite different compositions and crystal structures, in the loc…
Spin susceptibility of underdoped cuprates: the case of Ortho-II YBa_2Cu_3O_{6.5}
E. Bascones, T. M. Rice
Recent inelastic neutron scattering measurements found that the spin susceptibility of detwinned and highly ordered ortho-II YBa_2Cu_3O_{6.5} exhibits, in both the normal and super…
Doped Spin Liquid: Luttinger Sum Rule and Low Temperature Order
R. M. Konik, T. M. Rice, A. M. Tsvelik
We analyze a model of two-leg Hubbard ladders weakly coupled by interladder tunneling. At half filling a semimetallic state with small Fermi pockets is induced beyond a threshold t…
A Simple Model for the Checkerboard Pattern of Modulated Hole Densities in Underdoped Cuprates
T. M. Rice, Hirokazu Tsunetsugu
A simple model is proposed as a possible explanation for the checkerboard pattern of modulations in the hole density observed in recent tunneling experiments on underdoped cuprates…
Magnetic domain formation in itinerant metamagnets
B. Binz, H. B. Braun, T. M. Rice +1
We examine the effects of long-range dipolar forces on metamagnetic transitions and generalize the theory of Condon domains to the case of an itinerant electron system undergoing a…
Spin, charge and orbital fluctuations in a multi-orbital Mott insulator
Akihisa Koga, Norio Kawakami, T. M. Rice +1
The two-orbital degenerate Hubbard model with distinct hopping integrals is studied by combining dynamical mean-field theory with quantum Monte Carlo simulations. The role of orbit…
Mott transitions in the multi-orbital systems
Akihisa Koga, Norio Kawakami, T. M. Rice +1
We investigate the Mott transitions in the two-orbital Hubbard model with different bandwidths. By combining dynamical mean field theory with the exact diagonalization, we discuss…
Theory of the different photoemission spectra of metallic and insulating C60 compounds
Samuel Wehrli, T. M. Rice, Manfred Sigrist
Metallic K3C60 shows pronounced structure and a sharp Fermi edge in integrated photoemission spectra (PES) while the insulating K4C60 and K6C60 phases display only a broad structur…
Orbital-selective Mott transitions in the degenerate Hubbard model
Akihisa Koga, Norio Kawakami, T. M. Rice +1
We investigate the Mott transitions in two-band Hubbard models with different bandwidths. Applying dynamical mean field theory, we discuss the stability of itinerant quasi-particle…
The Physics Behind High-Temperature Superconducting Cuprates: The "Plain Vanilla" Version Of RVB
P. W. Anderson, P. A. Lee, M. Randeria +3
One of the first theoretical proposals for understanding high temperature superconductivity in the cuprates was Anderson's RVB theory using a Gutzwiller projected BCS wave function…
Field- and pressure-induced magnetic quantum phase transitions in TlCuCl_3
M. Matsumoto, B. Normand, T. M. Rice +1
Thallium copper chloride is a quantum spin liquid of S = 1/2 Cu^2+ dimers. Interdimer superexchange interactions give a three-dimensional magnon dispersion and a spin gap significa…
d-Mott phases in one and two dimensions
A. Laeuchli, C. Honerkamp, T. M. Rice
We use exact diagonalization to determine the spectrum of reduced Hamiltonians based on renormalization group flows to strong coupling. For the half-filled two-leg Hubbard ladder w…
Single-Particle Spectrum in the Electron-Doped Cuprates
Hiroaki Kusunose, T. M. Rice
We study the evolution of the single-particle spectrum with electron doping in a scheme which adds multiple exchange of transverse spin excitations to the mean-field antiferromagne…
Magnon Dispersion in the Field-Induced Magnetically Ordered Phase of TlCuCl3
Masashige Matsumoto, B. Normand, T. M. Rice +1
The magnetic properties of the interacting dimer system TlCuCl3 are investigated within a bond-operator formulation. The observed field-induced staggered magnetic order perpendicul…
Landau-Fermi liquid analysis of the 2D t-t' Hubbard model
P. A. Frigeri, C. Honerkamp, T. M. Rice
We calculate the Landau interaction function f(k,k') for the two-dimensional t-t' Hubbard model on the square lattice using second and higher order perturbation theory. Within the…
Flow to strong coupling in the two-dimensional Hubbard model
C. Honerkamp, M. Salmhofer, T. M. Rice
We extend the analysis of the renormalization group flow in the two-dimensional Hubbard model close to half-filling using the recently developed temperature flow formalism. We inve…