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Št. zadetkov: 2
Chirped amplitude mode in photoexcited superconductors
Thomas Blommel, Jason Kaye, Yuta Murakami, Emanuel Gull, Denis Golež
Izvirni znanstveni članek
Oznake: fizika kondenzirane snovi;superprevodnost;interakcije svetloba-snov;condensed matter physics;superconductivity;light-matter interactions;
Using a state-of-the-art numerical scheme, we show that the Higgs mode under excitation exhibits chirped oscillations and exponential decay when fluctuations are included. This is in stark contrast to conventional BCS collisionless dynamics which predict power-law decay and the absence of chirping. ...
Leto: 2025 Vir: Fakulteta za matematiko in fiziko (UL FMF)
H-NESSi: the hierarchical non-equilibrium systems simulation package
Thomas Blommel, Jeremija Kovačević, Jason Kaye, Emanuel Gull, Jakša Vučičević, Denis Golež
Izvirni znanstveni članek
Oznake: numerične simulacije;neravnovesna dinamika;kvantni večdelčni sistemi;Keldyshev formalizem;Kadanoff-Baymove enačbe;numerical simulations;nonequilibrium dynamics;quantum many-body problems;Keldysh formalism;Kadanoff-Baym equations;hierarchical low-rank compression;
We present H-NESSi (The Hierarchical Non-Equilibrium Systems Simulation package), an open-source software package for solving the Kadanoff-Baym equations (KBE) of nonequilibrium Green’s function (NEGF) theory using hierarchical low-rank compression techniques. The simulation of correlated quantum sy ...
Leto: 2026 Vir: Fakulteta za matematiko in fiziko (UL FMF)
Št. zadetkov: 2
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