Tangent fermions: Dirac or Majorana fermions on a lattice without fermion doubling
Methods to discretize the Hamiltonian of a topological insulator or topological
superconductor, without giving up on the topological protection of the massless excitations …
superconductor, without giving up on the topological protection of the massless excitations …
Generalized inverse participation ratio as a possible measure of localization for interacting systems
We test the usefulness of a generalized inverse participation ratio (GIPR) as a measure of
Anderson localization. The GIPR differs from the usual inverse participation ratio in that it is …
Anderson localization. The GIPR differs from the usual inverse participation ratio in that it is …
Typical medium dynamical cluster approximation for the study of Anderson localization in three dimensions
We develop a systematic typical medium dynamical cluster approximation that provides a
proper description of the Anderson localization transition in three dimensions (3D). Our …
proper description of the Anderson localization transition in three dimensions (3D). Our …
Aperiodic topological crystalline insulators
Topological crystalline insulators (TCIs) are usually described with topological protection
imposed by the crystalline symmetry. In general, however, the existence of TCI states does …
imposed by the crystalline symmetry. In general, however, the existence of TCI states does …
Dynamical mean field study of the two-dimensional disordered Hubbard model
We study the paramagnetic Anderson-Hubbard model using an extension of dynamical
mean field theory (DMFT), known as statistical DMFT, that allows us to treat disorder and …
mean field theory (DMFT), known as statistical DMFT, that allows us to treat disorder and …
Anderson-Hubbard model with box disorder: Statistical dynamical mean-field theory investigation
D Semmler, K Byczuk, W Hofstetter - Physical Review B—Condensed Matter …, 2011 - APS
Strongly correlated electrons with box disorder in high-dimensional lattices are investigated.
We apply a statistical dynamical mean-field theory that treats local correlations …
We apply a statistical dynamical mean-field theory that treats local correlations …
Local density of states and scattering rates across the many-body localization transition
A Jana, VR Chandra, A Garg - Physical Review B, 2021 - APS
Characterizing the many-body localization (MBL) transition in strongly disordered and
interacting quantum systems is an important issue in the field of condensed matter physics …
interacting quantum systems is an important issue in the field of condensed matter physics …
Interacting fermions in one-dimensional disordered lattices: Exploring localization and transport properties with lattice density-functional theories
We investigate the static and dynamical behavior of one-dimensional interacting fermions in
disordered Hubbard chains contacted to semi-infinite leads. The chains are described via …
disordered Hubbard chains contacted to semi-infinite leads. The chains are described via …
Finite-cluster typical medium theory for disordered electronic systems
We use the recently developed typical medium dynamical cluster (TMDCA) approach
[Ekuma, Phys. Rev. B 89, 081107 (2014) PRBMDO 1098-0121 10.1103/PhysRevB …
[Ekuma, Phys. Rev. B 89, 081107 (2014) PRBMDO 1098-0121 10.1103/PhysRevB …
Unraveling effects of disorder on the electronic structure of from first principles
We present a first-principles systematic study of the electronic structure of SiO 2 including
the crystalline polymorphs α quartz and β cristobalite, and different types of disorder leading …
the crystalline polymorphs α quartz and β cristobalite, and different types of disorder leading …