Edge states and the bulk-boundary correspondence in Dirac Hamiltonians
RSK Mong, V Shivamoggi - Physical Review B—Condensed Matter and …, 2011 - APS
We present an analytic prescription for computing the edge dispersion E (k) of a tight-
binding Dirac Hamiltonian terminated at an abrupt crystalline edge. Specifically, we consider …
binding Dirac Hamiltonian terminated at an abrupt crystalline edge. Specifically, we consider …
Of bulk and boundaries: Generalized transfer matrices for tight-binding models
We construct a generalized transfer matrix corresponding to noninteracting tight-binding
lattice models, which can subsequently be used to compute the bulk bands as well as the …
lattice models, which can subsequently be used to compute the bulk bands as well as the …
Generalization of Bloch's theorem for arbitrary boundary conditions: Theory
We present a generalization of Bloch's theorem to finite-range lattice systems of
independent fermions, in which translation symmetry is broken solely due to arbitrary …
independent fermions, in which translation symmetry is broken solely due to arbitrary …
Unconventional Floquet topological phases from quantum engineering of band-inversion surfaces
L Zhang, XJ Liu - PRX Quantum, 2022 - APS
Floquet engineering provides a toolbox for the realization of novel quantum phases without
static counterparts, while conventionally the realization may rely on the manipulation of …
static counterparts, while conventionally the realization may rely on the manipulation of …
Exact edge, bulk, and bound states of finite topological systems
Finite topologically nontrivial systems are characterized, among many other unique
properties, by the presence of bound states at their physical edges. These topological edge …
properties, by the presence of bound states at their physical edges. These topological edge …
Boundaries of boundaries: a systematic approach to lattice models with solvable boundary states of arbitrary codimension
We present a generic and systematic approach for constructing D-dimensional lattice
models with exactly solvable d-dimensional boundary states localized to corners, edges …
models with exactly solvable d-dimensional boundary states localized to corners, edges …
Generalization of Bloch's theorem for arbitrary boundary conditions: Interfaces and topological surface band structure
We describe a method for exactly diagonalizing clean D-dimensional lattice systems of
independent fermions subject to arbitrary boundary conditions in one direction, as well as …
independent fermions subject to arbitrary boundary conditions in one direction, as well as …
Effects of edge on-site potential in a honeycomb topological magnon insulator
PA Pantaleón, Y Xian - Journal of the Physical Society of Japan, 2018 - journals.jps.jp
While the deviation of the edge on-site potential from the bulk values in a magnonic
topological honeycomb lattice leads to the formation of edge states in a bearded boundary …
topological honeycomb lattice leads to the formation of edge states in a bearded boundary …
Anatomy of topological surface states: Exact solutions from destructive interference on frustrated lattices
The hallmark of topological phases is their robust boundary signature whose intriguing
properties—such as the one-way transport on the chiral edge of a Chern insulator and the …
properties—such as the one-way transport on the chiral edge of a Chern insulator and the …
Tight-binding model for topological insulators: Analysis of helical surface modes over the whole Brillouin zone
S Mao, A Yamakage, Y Kuramoto - Physical Review B—Condensed Matter and …, 2011 - APS
A tight-binding model is constructed for Bi 2 Se 3-type topological insulators with
rhombohedral crystal structure. The model takes full account of the spin-orbit interaction, and …
rhombohedral crystal structure. The model takes full account of the spin-orbit interaction, and …