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Št. zadetkov: 4
Adiabatic gauge potential and integrability breaking with free fermions
Balázs Pozsgay, Rustem Sharipov, Anastasiia Tiutiakina, István Vona
Izvirni znanstveni članek
Oznake: kvantna statistična mehanika;spinske verige;integrabilni sistemi;zlom integrabilnosti;quantum statistical mechanics;spin chains;integrable systems;integrability breaking;
We revisit the problem of integrability breaking in free fermionic quantum spin chains. We investigate the so-called adiabatic gauge potential (AGP), which was recently proposed as an accurate probe of quantum chaos. We also study the so-called weak integrability breaking, which occurs if the dynami ...
Leto: 2024 Vir: Fakulteta za matematiko in fiziko (UL FMF)
Integrability and charge transport in asymmetric quantum-circuit geometries
Chiara Paletta, Urban Duh, Balázs Pozsgay, Lenart Zadnik
Izvirni znanstveni članek
Oznake: kvantna vezja;integrabilnost;spinski transport;quantum circuits;integrability;spin transport;
We revisit the integrability of quantum circuits constructed from two-qubit unitary gates U that satisfy the Yang–Baxter equation. A brickwork arrangement of U typically corresponds to an integrable Trotterization of some Hamiltonian dynamics. Here, we consider more general circuit geometries which ...
Leto: 2025 Vir: Fakulteta za matematiko in fiziko (UL FMF)
Weak ergodicity breaking with isolated integrable sectors
Hosho Katsura, Chihiro Matsui, Chiara Paletta, Balázs Pozsgay
Izvirni znanstveni članek
Oznake: termalizacija lastnih stanj;kvantni kaos;kvantni večdelčni sistemi;integrabilni sistemi;eigenstate thermalization;quantum chaos;quantum many-body systems;integrable systems;
We consider spin chain models with local Hamiltonians that display weak ergodicity breaking. In these models, the majority of the eigenstates are thermal, but there is a distinguished subspace of the Hilbert space in which ergodicity is broken. We achieve such a weak breaking by embedding selected i ...
Leto: 2025 Vir: Fakulteta za matematiko in fiziko (UL FMF)
Biomass residues from forest harvest or industrial processing - waste or high - value renewable raw materials?
Peter Rademacher, Stanislav Horníček, Radim Rousek, Petr Pařil, Jan Baar, Fanni Pozsgayné Fodor, Balázs Pozsgay, Dietrich Meier, Gerald Koch, Uwe Schmitt, Andreja Kutnar, Frederick A. Kamke
Izvirni znanstveni članek
Oznake: modification of properties;fast growing poplar;viscoelastic thermal compression;
Biomass residues from forest harvest or industrial processing - waste or high - value renewable raw materials?
Leto: 2015 Vir: Univerza na Primorskem (UP)
Št. zadetkov: 4
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