Higher-order topological phases on fractal lattices
Electronic materials harbor a plethora of exotic quantum phases, ranging from
unconventional superconductors to non-Fermi liquids and, more recently, topological …
unconventional superconductors to non-Fermi liquids and, more recently, topological …
Topological invariants for anomalous floquet higher-order topological insulators
B Huang - Frontiers of Physics, 2023 - Springer
We review the recent development in constructing higher-order topological band insulators
under strong periodic drivings. In particular, we focus on various approaches in formulating …
under strong periodic drivings. In particular, we focus on various approaches in formulating …
Floquet Weyl semimetal phases in light-irradiated higher-order topological Dirac semimetals
Floquet engineering, the concept of tailoring a system by a periodic drive, is increasingly
exploited to design and manipulate topological phases of matter. In this work we study …
exploited to design and manipulate topological phases of matter. In this work we study …
Weyl nodes with higher-order topology in an optically driven nodal-line semimetal
Creating and manipulating topological states is a key goal of condensed matter physics.
Periodic driving offers a powerful method to manipulate electronic states, and even to create …
Periodic driving offers a powerful method to manipulate electronic states, and even to create …
Floquet engineering of magnetic topological insulator films
T Zhu, H Wang, H Zhang - Physical Review B, 2023 - APS
Floquet engineering is an important way to manipulate the electronic states of condensed
matter physics. Recently, the discovery of the magnetic topological insulator MnBi 2 Te 4 …
matter physics. Recently, the discovery of the magnetic topological insulator MnBi 2 Te 4 …
Quantum criticality at the boundary of the non-Hermitian regime of a Floquet system
WL Zhao, J Liu - Physical Review A, 2024 - APS
We investigate both analytically and numerically the dynamics of quantum scrambling,
characterized by out-of-time ordered correlators (OTOCs), in a non-Hermitian quantum …
characterized by out-of-time ordered correlators (OTOCs), in a non-Hermitian quantum …
Floquet band engineering with Bloch oscillations
This work provides a convenient and powerful means towards the engineering of Floquet
bands via Bloch oscillations, by adding a tilted linear potential to periodically driven lattice …
bands via Bloch oscillations, by adding a tilted linear potential to periodically driven lattice …
Floquet topological phases with time-reversal and space-inversion symmetries and dynamical detection of topological charges
H Wu, YC Dong, H Liu - Physical Review B, 2024 - APS
For spinful systems with spin 1/2, it is generally believed that P and T invariant strong and
second-order topologies exist in four band and eight band systems, respectively. Here, by …
second-order topologies exist in four band and eight band systems, respectively. Here, by …
Generating many Majorana corner modes and multiple phase transitions in Floquet second-order topological superconductors
L Zhou - Symmetry, 2022 - mdpi.com
A d-dimensional, n th-order topological insulator or superconductor has localized
eigenmodes at its (d− n)-dimensional boundaries (n≤ d). In this work, we apply periodic …
eigenmodes at its (d− n)-dimensional boundaries (n≤ d). In this work, we apply periodic …
Hinge-mode dynamics of periodically driven higher-order Weyl semimetals
We study the stroboscopic dynamics of hinge modes of a second-order topological material
modeled by a tight-binding free fermion Hamiltonian on a cubic lattice in the intermediate …
modeled by a tight-binding free fermion Hamiltonian on a cubic lattice in the intermediate …