http://park.itc.u-tokyo.ac.jp/motohiko-ezawa/ezawa/lecture.html WebAug 9, 2024 · Furthermore, we proposed a phononic analog of the Haldane model, which makes the novel quantum (anomalous) Hall-like phonon states characterized by one-way gapless edge modes immune to scattering. ... Distribution of the Berry curvature in the Brillouin zone for the two lowest bands displayed in (c) and (d), respectively. Reuse & …
Haldane model in nLab
WebDec 21, 2024 · Spin Berry curvature of the Haldane model Authors: Simon Michel Michael Potthoff Request full-text Abstract The feedback of the geometrical Berry phase, … WebApr 11, 2024 · Schematics of chiral and antichiral electronic models. (a) Dirac model. (b) Haldane model. (c) Modified Haldane model. (d) Heterogeneous Haldane model. The top, middle, and bottom rows are the schematic diagrams, band structures, and transmission behaviors of four electronics models, respectively. cochon celte
Spin Berry curvature of the Haldane model - NASA/ADS
Web3.1 Berry connection, Berry phase and Berry curvature ... 3.5 QHE in the honeycomb system 3.6 Haldane model and Kane-Mele model 4. MAJORANA FERMION 4.1 Kitaev p-wave topological superconductor model 4.2 Z 2 topological invariant ... KITAEV SPIN LIQUID Quantum Physics 2024 WebApr 11, 2024 · We theoretically investigate, within Schwinger-boson mean-field theory, the transition from a gapped Z 2 quantum spin liquid, in a J 1 − J 2 Heisenberg spin-1 2 system in a honeycomb lattice, to a chiral Z 2 spin-liquid phase under the presence of time-reversal symmetry-breaking scalar chiral interaction (with amplitude J χ).We numerically obtain a … WebMay 15, 2024 · 1. Does anybody know how to compute the Berry curvature for a spin with angular momentum s (so it's not the usual derivation you find for spin- 1 2 particles in most textbooks) in a magnetic field B → pointing in an arbitrary direction and playing the role of the parameter on which the Hamiltonian H ^ = B → S → ^ depends? quantum-mechanics. call of duty black ops cheats pc