Web(3) – seem to imply that the phase mismatch is now γ =0 instead of the usual γ =1/2. Using the Roth-Wilkinson relation (4), Mikitik and Sharlai [9]wereabletoshow that this value of γ … WebJul 11, 2014 · We investigate the effect of the Berry phase on quadrupoles that occur, for example, in the low-energy description of spin models. Specifically, we study here the one …
PHYSICAL REVIEW RESEARCH2, 012009(R) (2024)
WebFeb 20, 2024 · It seems that the quantized complex Berry phase is capable of classifying non-Hermitian topological phases. Gu et al. [ 4 ] propose a gauge transformation method … WebNov 16, 2024 · An advantage of the Berry phase is the ability to identify a phase transition even if gap-closing does not occur due to the finite-size gap for small system size, as … helical gear hsn code
Berry-phase-induced dimerization in one-dimensional ... - PubMed
WebNov 25, 2024 · Geometric and topological descriptions of quantum systems provide powerful mathematical tools to reveal new quantum phases in condensed matter physics … WebAug 29, 2024 · Abstract: We investigate the quantization of the complex-valued Berry phases in non-Hermitian quantum systems with certain generalized symmetries. In … WebAs a concrete example, we show that the Berry phase is quantized in Z 4 and characterizes the HOSPT phase of the extended Benalcazar-Bernevig-Hughes (BBH) ... be well illustrated by considering two “decoupled” limits, namely, t 1 = 0, t 2 = 0, and t 1 = 0, t 2 = 0. ... the … helical gear injection mold