Extended ssh model
WebMay 1, 2024 · Note that the Hamiltonian of subsystem Eq. (11) is a Hamiltonian of the extended SSH model [34,42, 44, 45], i.e., SSH R , including R sublattices, with diagonal entries. Evidently, the ... WebAug 1, 2024 · The bulk-edge correspondence seen in the SSH model may be generalized to systems with next to nearest neighbor hopping amplitudes, which we call the extended SSH models. To be more specific, let’s consider the following two …
Extended ssh model
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WebNov 19, 2024 · Extended SSH Model: Non-Local Couplings and Non-Monotonous Edge States Authors: Chao Li Andrey Miroshnichenko Abstract and Figures We construct a … WebA: Latest Linux versions are disabling a key exchange method that SSH Explorer needs. Unfortunately, I'm not working on SSH Explorer any more and there won't be an upgrade …
WebNov 10, 2024 · (c) Energy spectrum for the extended SSH model with complete 3 M qubits. Two edge states are denoted with blue and red lines. Topological phase transition occurs with the increasing of v, and edge states join the bulk band when v ≫ w. (d) Energy spectrum for our extended SSH model with 3 M − 1 qubits, i.e., lacking one qubit at the … WebJun 28, 2024 · The Su-Schrieffer-Heeger (SSH) model perhaps is the easiest and the most basic model for topological excitations. Many variations and extensions of the SSH model have been proposed and explored to better understand both fundamental and novel aspects of topological physics.
WebOct 16, 2015 · Next we display the phase diagram of the extended SSH model in fig. 5 with topologically different phases characterized by different values of the winding … Webmodel-like effect in lower-dimensional systems led to the so-called extended Su-Schrieffer-Heeger (E-SSH) model, which is described in one-dimension (1D). The original SSH model is the simplest possible 1D system which shows topological property [5, 17]. This model was proposed to describe the electronicpropertiesofthepoly …
WebFeb 12, 2024 · The Su-Schrieffer-Heeger (SSH) model describes a finite one-dimensional dimer lattice with first-neighbour hoppings populated by non-interacting electrons. …
WebMay 16, 2024 · By applying our scheme to a non-Hermitian Su-Schrieffer-Heeger model and an extended version of it, we show that the topologically different phases can be well characterized by winding numbers. Furthermore, we demonstrate that the existence of left and right zero-mode edge states is closely related to the winding number ν1 and ν2. primrose school maple groveWebPhase diagram for the extended SSH model with the NNN hopping amplitude given by Eq. (3). The number C indicates the Chern number of the lower band. Source publication Realization of Haldane-like... play the chucky songWebJun 28, 2024 · The SSH4 model has been proposed theoretically as an extended SSH model with higher dimension (the internal dimension changes from two to four). It has … play the clean upWebthe 2D Haldane’s model. The topologically nontrivial edge states in our model may be observed in photonic crystal systems. Furthermore, we find that an extended SSH model with the sublattice potential modulated also exhibits nontrivial topological phases. II. MODELS AND RESULTS A. Model Hamiltonian We consider an 1D lattice with one unit ... play the clean up songWebSep 20, 2016 · Topological Winding Number in 1D Su-Schrieffer-Heeger Model. This Demonstration shows the electronic energy dispersion relation and the winding of the … primrose school mason ohioWebextended SSH model with long-range hopping has already been investigated in a general sense [12], some important aspects of such generalization were overlooked. Here we … primrose school massachusettsWebBenalcazar et al. extended the 1D SSH model to two-, and three-dimensional systems with a π -flux inserted at each plaquette of the lattice. The proposed Benalcazar-Bernevig … primrose school menu