Zobrazeno 1 - 10
of 2 599
pro vyhledávání: '"P, Vlcek"'
Accurate electronic structure calculations are essential in modern materials science, but strongly correlated systems pose a significant challenge due to their computational cost. Traditional methods, such as complete active space self-consistent fie
Externí odkaz:
http://arxiv.org/abs/2412.07607
We explore the principles of many-body Hamiltonian complexity reduction via downfolding on an effective low-dimensional representation. We present a unique measure of fidelity between the effective (reduced-rank) description and the full many-body tr
Externí odkaz:
http://arxiv.org/abs/2411.13725
Autor:
Kaufman, Michal, Vlcek, Jaroslav, Houska, Jiri, Farrukh, Sadoon, Haviar, Stanislav, Cerstvy, Radomir, Kozak, Tomas
The reversible semiconductor-to-metal transition of vanadium dioxide (VO2) makes VO2-based coatings a promising candidate for thermochromic smart windows, reducing the energy consumption of buildings. We report low-temperature (320 degC) depositions
Externí odkaz:
http://arxiv.org/abs/2411.03005
We report here a molecular dynamics simulation study on water and aqueous LiCl solutions confined in 1.6 nm cylindrical pores of silica to investigate a dynamical cross-over, observed earlier experimentally, wherein LiCl slows down confined water at
Externí odkaz:
http://arxiv.org/abs/2410.20576
Autor:
Lei, Xiaohe, Vlcek, Vojtech
Subsurface oxygen in oxide-derived copper catalysts significantly influences CO$_2$ activation. However, its effect on the molecular charging process, the key to forming the CO$_2^{\delta-}$ intermediate, remains poorly understood. We employ many-bod
Externí odkaz:
http://arxiv.org/abs/2409.08433
We report strongly thermochromic YSZ/V0.855W0.018Sr0.127O2/SiO2 coatings, where YSZ is Y stabilized ZrO2, prepared using a scalable deposition technique on standard glass at a low substrate temperature of 320 {\deg}C and without any substrate bias vo
Externí odkaz:
http://arxiv.org/abs/2409.01745
Understanding the dynamics of nonequilibrium quantum many-body systems is an important research topic in a wide range of fields across condensed matter physics, quantum optics, and high-energy physics. However, numerical studies of large-scale nonequ
Externí odkaz:
http://arxiv.org/abs/2407.09773
Autor:
Dwivedi, Ritesh, Dunca, Tomáš, Novotný, Filip, Talíř, Marek, Skrbek, Ladislav, Urban, Pavel, Zobač, Martin, Vlček, Ivan, Varga, Emil
Generation, statistically steady state, and temporal decay of axially rotating thermal counterflow of superfluid $^4$He (He~II) in a square channel is probed using the second sound attenuation technique, measuring the density of quantized vortex line
Externí odkaz:
http://arxiv.org/abs/2407.06311
Twisted bilayers host many emergent phenomena in which the electronic excitations (quasiparticles - QPs) are closely intertwined with the local stacking order. By inspecting twisted hexagonal boron nitride (t-hBN), we show that non-local long-range i
Externí odkaz:
http://arxiv.org/abs/2406.19700
Autor:
Reeves, Cian C., Harsha, Gaurav, Shee, Avijit, Zhu, Yuanran, Yang, Chao, Whaley, K Birgitta, Zgid, Dominika, Vlcek, Vojtech
Theoretical descriptions of non equilibrium dynamics of quantum many-body systems essentially employ either (i) explicit treatments, relying on truncation of the expansion of the many-body wave function, (ii) compressed representations of the many-bo
Externí odkaz:
http://arxiv.org/abs/2405.08814