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Št. zadetkov: 3
Lower bounding diffusion constant by the curvature of Drude weight
Marko Medenjak, C. Karrasch, Tomaž Prosen
Izvirni znanstveni članek
Oznake: statistična fizika;statistical physics;
We establish a general connection between ballistic and diffusive transport in systems where the ballistic contribution in the canonical ensemble vanishes. A lower bound on the Green-Kubo diffusion constant is derived in terms of the curvature of the ideal transport coefficient, the Drude weight, wi ...
Leto: 2017 Vir: Fakulteta za matematiko in fiziko (UL FMF)
Proposal for measuring the finite-temperature Drude weight of integrable systems
C. Karrasch, Tomaž Prosen, F. Heidrich-Meisner
Izvirni znanstveni članek
Oznake: kvantna mehanika;quantum mechanics;
Integrable models such as the spin-1/2 Heisenberg chain, the Lieb-Liniger, or the one-dimensional Hubbard model are known to avoid thermalization, which was also demonstrated in several quantum-quench experiments. Another dramatic consequence of integrability is the zero-frequency anomaly in transpo ...
Leto: 2017 Vir: Fakulteta za matematiko in fiziko (UL FMF)
Finite-temperature transport in one-dimensional quantum lattice models
Bruno Bertini, F. Heidrich-Meisner, C. Karrasch, Tomaž Prosen, R. Steinigeweg, Marko Žnidarič
Pregledni znanstveni članek
Oznake: fizika kondenzirane snovi;kvantna mehanika;kvantni transport;condensed matter physics;quantum mechanics;quantum transport;
Over the last decade impressive progress has been made in the theoretical understanding of transport properties of clean, one-dimensional quantum lattice systems. Many physically relevant models in one dimension are Bethe-ansatz integrable, including the anisotropic spin-1/2 Heisenberg (also called ...
Leto: 2021 Vir: Fakulteta za matematiko in fiziko (UL FMF)
Št. zadetkov: 3
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