Bad-metal behavior reveals Mott quantum criticality in doped Hubbard models
J Vučičević, D Tanasković, MJ Rozenberg… - Physical Review Letters, 2015 - APS
Bad-metal (BM) behavior featuring linear temperature dependence of the resistivity
extending to well above the Mott-Ioffe-Regel (MIR) limit is often viewed as one of the key …
extending to well above the Mott-Ioffe-Regel (MIR) limit is often viewed as one of the key …
Bad-metallic behavior of doped Mott insulators
J Kokalj - Physical Review B, 2017 - APS
Employing Nernst-Einstein decomposition σ= e 2 χ c D of the conductivity σ onto charge
susceptibility (compressibility) χ c and diffusion constant D, we argue that the bad-metallic …
susceptibility (compressibility) χ c and diffusion constant D, we argue that the bad-metallic …
Magnetic field frustration of the metal-insulator transition in
Despite decades of efforts, the origin of metal-insulator transitions (MITs) in strongly
correlated materials remains one of the main long-standing problems in condensed-matter …
correlated materials remains one of the main long-standing problems in condensed-matter …
Magnetic and metallic state at intermediate Hubbard coupling in multiorbital models for undoped iron pnictides
R Yu, KT Trinh, A Moreo, M Daghofer, JA Riera… - Physical Review B …, 2009 - APS
Multiorbital Hubbard model Hamiltonians for the undoped parent compounds of the Fe-
pnictide superconductors are investigated here using mean-field techniques. For a realistic …
pnictide superconductors are investigated here using mean-field techniques. For a realistic …
Slave-spin mean field for broken-symmetry states: Néel antiferromagnetism and its phase separation in multiorbital Hubbard models
We introduce the generalization of the slave-spin mean-field method to broken-symmetry
phases. Through a variational approach we derive the single-particle energy shift in the …
phases. Through a variational approach we derive the single-particle energy shift in the …
Formation of an incoherent metallic state in Rh-doped
Sr 2 IrO 4 is the archetype of the spin-orbit Mott insulator, but the nature of the metallic states
that may emerge from this type of insulator is still not very well known. We study with angle …
that may emerge from this type of insulator is still not very well known. We study with angle …
Effects of interaction strength, doping, and frustration on the antiferromagnetic phase of the two-dimensional Hubbard model
Recent quantum-gas microscopy of ultracold atoms and scanning tunneling microscopy of
the cuprates reveal new detailed information about doped Mott antiferromagnets, which can …
the cuprates reveal new detailed information about doped Mott antiferromagnets, which can …
Evolution of the spectral lineshape at the magnetic transition in SrIrO and SrIrO
Abstract Sr 2 IrO 4 and Sr 3 Ir 2 O 7 form two families of spin-orbit Mott insulators with quite
different charge gaps and an antiferromagnetic (AF) ground state. This offers a unique …
different charge gaps and an antiferromagnetic (AF) ground state. This offers a unique …
Filling-driven Mott transition in Hubbard models
We study the filling-driven Mott transition involving the metallic and paramagnetic insulating
phases in SU (N) Fermi-Hubbard models, using the dynamical mean-field theory and the …
phases in SU (N) Fermi-Hubbard models, using the dynamical mean-field theory and the …
Coupling strongly correlated electron systems to a tunable electronic reservoir
We study the effect of coupling an electronic reservoir to a Hubbard model and to a dimer
Hubbard model. This is motivated by recent experiments on the effect of illumination on the …
Hubbard model. This is motivated by recent experiments on the effect of illumination on the …