Zobrazeno 1 - 10
of 158
pro vyhledávání: '"A. Łobejko"'
Autor:
Łobejko, A., Stephan, E., Ciepał, I., Golak, J., Kalantar--Nayestanaki, N., Kistryn, S., Kłos, B., Kozela, A., Kulessa, P., Parol, W., Skibiński, R., Skwira-Chalot, I., Szadziński, A., Wilczek, A., Witała, H., Włoch, B., Zejma, J.
The differential cross sections for the $^2$H(p,pp)n reaction have been measured for 84 angular configurations of the outgoing protons in the range of polar angles from 13 to 33 degrees with a proton beam of 108 MeV. Data have been collected in the C
Externí odkaz:
http://arxiv.org/abs/2407.01582
Dynamics of the Non-equilibrium spin Boson Model: A Benchmark of master equations and their validity
In recent years, there has been tremendous focus on identifying whether effective descriptions of open quantum systems such as master equations, can accurately describe the dynamics of open quantum systems. One particular question is whether they pro
Externí odkaz:
http://arxiv.org/abs/2403.04488
Publikováno v:
Phys. Rev. E 110, 044120 (2024)
We consider a model of heat engine operating in the microscopic regime: the two-stroke engine. It produces work and exchanges heat in two discrete strokes that are separated in time. The working body of the engine consists of two $d$-level systems in
Externí odkaz:
http://arxiv.org/abs/2402.10384
Publikováno v:
Phys. Rev. Lett. 132, 260403(2024)
We demonstrate how to incorporate a catalyst to enhance the performance of a heat engine. Specifically, we analyze efficiency in one of the simplest engines models, which operates in only two strokes and comprises of a pair of two-level systems, pote
Externí odkaz:
http://arxiv.org/abs/2401.15173
Publikováno v:
New J. Phys. 25, 113013 (2023)
We treat the Cooper pairs in the superconducting electrodes of a Josephson junction (JJ) as an open system, coupled via Andreev scattering to external baths of electrons. The disequilibrium between the baths generates the direct-current bias applied
Externí odkaz:
http://arxiv.org/abs/2302.04762
In one of its versions, the Second Law states: "It is impossible to construct an engine which will work in a complete cycle, and produces no effect except the raising of a weight and cooling of a heat reservoir." While the Second Law is considered as
Externí odkaz:
http://arxiv.org/abs/2209.05339
Autor:
Joanna Rog, Łukasz Łobejko, Michalina Hordejuk, Wojciech Marciniak, Róża Derkacz, Adam Kiljańczyk, Milena Matuszczak, Jan Lubiński, Miłosz Nesterowicz, Małgorzata Żendzian-Piotrowska, Anna Zalewska, Mateusz Maciejczyk, Hanna Karakula-Juchnowicz
Publikováno v:
Frontiers in Molecular Neuroscience, Vol 17 (2024)
Disturbances in pro/antioxidant balance emerge as a crucial element in bipolar disorder (BD). Some studies suggest that treatment effects on trace element concentration in BD. This study aimed to identify (a) the changes related to oxidative stress i
Externí odkaz:
https://doaj.org/article/90af8e54416b4c208cbb77f24615f4e5
Publikováno v:
Quantum 6, 841 (2022)
The second law of thermodynamics uses change in free energy of macroscopic systems to set a bound on performed work. Ergotropy plays a similar role in microscopic scenarios, and is defined as the maximum amount of energy that can be extracted from a
Externí odkaz:
http://arxiv.org/abs/2205.06455
Almost every quantum system interacts with a large environment, so the exact quantum mechanical description of its evolution is impossible. One has to resort to approximate description, usually in the form of a master equation. There are at least two
Externí odkaz:
http://arxiv.org/abs/2204.00643
Autor:
Łobejko, Marcin
Publikováno v:
Quantum 6, 762 (2022)
We consider a quasi-probability distribution of work for an isolated quantum system coupled to the energy-storage device given by the ideal weight. Specifically, we analyze a trade-off between changes in average energy and changes in weight's varianc
Externí odkaz:
http://arxiv.org/abs/2111.03116