Topological quantum matter with cold atoms
This is an introductory review of the physics of topological quantum matter with cold atoms.
Topological quantum phases, originally discovered and investigated in condensed matter …
Topological quantum phases, originally discovered and investigated in condensed matter …
Magnetic Bloch theorem and reentrant flat bands in twisted bilayer graphene at flux
Bloch's theorem is the centerpiece of topological band theory, which itself has defined an
era of quantum materials research. However, Bloch's theorem is broken by a perpendicular …
era of quantum materials research. However, Bloch's theorem is broken by a perpendicular …
Simulating quantum spin Hall effect in the topological Lieb lattice of a linear circuit network
Inspired by the topological insulator circuit experimentally proposed by Jia Ningyuan et
al.[Phys. Rev. X 5, 021031 (2015) 2160-3308 10.1103/PhysRevX. 5.021031], we …
al.[Phys. Rev. X 5, 021031 (2015) 2160-3308 10.1103/PhysRevX. 5.021031], we …
Realization of Hofstadter's butterfly and a one-way edge mode in a polaritonic system
We present a scheme to generate an artificial gauge field for the system of neutral bosons,
represented by polaritons in micropillars arranged into a square lattice. The splitting …
represented by polaritons in micropillars arranged into a square lattice. The splitting …
Half-integer Wannier diagram and Brown-Zak fermions of graphene on hexagonal boron nitride
The moiré potential of graphene on hexagonal boron nitride (hBN) generates a supercell
sufficiently large as to thread a full magnetic flux quantum Φ 0 for experimentally accessible …
sufficiently large as to thread a full magnetic flux quantum Φ 0 for experimentally accessible …
Analysis of band gap in AA and Ab stacked bilayer graphene by Hamiltonian tight binding method
M Junaid, G Witjaksono - 2019 IEEE International Conference …, 2019 - ieeexplore.ieee.org
The electronic properties of AA and AB-stacked bilayer graphene has been carefully
investigated by the principle of Hamiltonian tight binding model. It is determined that the AA …
investigated by the principle of Hamiltonian tight binding model. It is determined that the AA …
Extended Creutz ladder with spin-orbit coupling: A one-dimensional analog of the Kane-Mele model
We construct a topological one-dimensional ladder model following the steps which lead to
the Kane-Mele model in two dimensions. Starting with a Creutz ladder we modify it so that …
the Kane-Mele model in two dimensions. Starting with a Creutz ladder we modify it so that …
Hofstadter butterfly evolution in the space of two-dimensional Bravais lattices
The self-similar energy spectrum of a particle in a periodic potential under a magnetic field,
known as the Hofstadter butterfly, is determined by the lattice geometry as well as the …
known as the Hofstadter butterfly, is determined by the lattice geometry as well as the …
Driven Hofstadter butterflies and related topological invariants
M Wackerl, P Wenk, J Schliemann - Physical Review B, 2019 - APS
The properties of the Hofstadter butterfly, a fractal, self-similar spectrum of a two-dimensional
electron gas, are studied in the case where the system is additionally illuminated with …
electron gas, are studied in the case where the system is additionally illuminated with …
Superfluid transition in the attractive Hofstadter-Hubbard model
RO Umucalılar, M Iskin - Physical Review A, 2016 - APS
We consider a Fermi gas that is loaded onto a square optical lattice and subjected to a
perpendicular artificial magnetic field, and determine its superfluid transition boundary by …
perpendicular artificial magnetic field, and determine its superfluid transition boundary by …