Thouless pumps
WebAbstract. We experimentally demonstrate topologically protected transport in the presence of disorder for a Thouless pump in a photonic waveguide lattice. This concept may lead … WebJul 8, 2015 · A gas of electrons in a one-dimensional periodic potential can be transported even in the absence of a voltage bias if the potential is modulated slowly and periodically …
Thouless pumps
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WebDganit Meidan from Ben Gurion University will introduce Thouless pumps,. Hamiltonians with parameters ¶ Previously, when studying the topology of … WebJan 4, 2024 · A Thouless pump is a ‘quantum’ pump, in which the amount of ‘charge’ pumped during one cycle is quantized according to the Chern number — a topological …
WebAdiabatic quantum motor. Scheme of an adiabatic quantum motor made of a quantum dot coupled to a rotating wheel. An adiabatic quantum motor is a mechanical device, typically nanometric, driven by a flux of quantum particles and able to perform cyclic motions. The adjective “adiabatic” in this context refers to the limit when the dynamics of ... WebOct 19, 2024 · Thouless pump protocols preserve the system’s translational symmetry, and as such, different states within the same bulk band, which possess different momenta, …
WebOct 17, 2024 · Thouless pump is a one-dimensional dynamic topological effect that stems from the same topological mechanism as the renowned two-dimensional Chern … WebNov 23, 2024 · A Thouless pump can be regarded as a dynamical version of the integer quantum Hall effect. In a finite-size configuration, such a topological pump displays edge modes that emerge dynamically from one bulk band and dive into the opposite bulk band, an effect that can be reproduced with both quantum and classical systems. Here, we report …
WebDec 10, 2024 · 1. Yes, even in the most general formulation of the Thouless pump, the quantization is ultimately a consequence of the fact that electric charge is quantized, or …
henkelman vacuumWebCorpus ID: 248157305; Breakdown of quantisation in a Hubbard-Thouless pump @inproceedings{Walter2024BreakdownOQ, title={Breakdown of quantisation in a Hubbard-Thouless pump}, author={Anne Walter and Zijie Zhu and Marius G{\"a}chter and Joaqu'in Minguzzi and Stephan and Roschinski and Kilian Sandholzer and Konrad Viebahn and … henkelman vacuum systemsWebMar 14, 2024 · Nonlinear Thouless pumps for bosons exhibit quantized pumping via soliton motion, despite the lack of a meaningful notion of filled bands. However, the theoretical … henkelmensurWebOct 25, 2024 · (a) In a Thouless pump, the Wannier functions perform a quantized drift established by the Chern number of the corresponding band. (b) In a nonlinear setting, the motion of a soliton follows the ... henkelmaxWebfollowing, we propose two types of Thouless pumps in this model. Thouless pumping cycle.{ A Thouless pump is the cyclic adiabatic variation of an external parameter. It leads to quantized charge transport that characterizes the topology of the bulk [5,48]. For the 2D SL-BHM our full pumping cycle consists of a closed trajectory in a - t ... henkelman vakuumiergerätWebHere, we report a non-adiabatic topological pumping that can adiabatically manipulate anomalous Floquet topological states in a 1D periodically-driven systems. We propose and demonstrate in waveguide array simulations Thouless-like topological pumping of non-adiabatic topological systems. henkelman vacuum sealerWebJul 27, 2024 · For an adiabatic Thouless pump the number of particles transported by one lattice constant per cycle is given by the Berry phase, i.e., the Berry flux penetrating a … henkelmedia