Results 31 to 40 of about 25,328,161 (248)

Multifractality of open quantum systems [PDF]

Physical Review E, 2019
16 pages, 12 figures; closest to published ...
Bilen, Agustín M., García-Mata, Ignacio, Georgeot, Bertrand, Giraud, Olivier   +3 more
openaire   +5 more sources

Exploiting coherence for quantum thermodynamic advantage

New Journal of Physics, 2022
The introduction of the quantum analogue of a Carnot engine based on a bath comprising of particles with a small amount of coherence initiated an active line of research on the harnessing of different quantum resources for the enhancement of thermal ...
Kenza Hammam, Heather Leitch, Yassine Hassouni, Gabriele De Chiara   +3 more
doaj   +1 more source

Effective temperature pulses in open quantum systems

, 2022
Controlling the temperature of nano-scale quantum systems is becoming increasingly important in the efforts to develop thermal devices such as quantum heat valves, heat engines, and refrigerators, and to explore fundamental concepts in quantum ...
Pedro Portugal, Flindt, Christian, Brange, Fredrik, Fredrik Brange, Portugal, Pedro, Christian Flindt   +5 more
core   +1 more source

Divergences in open quantum systems

Journal of High Energy Physics, 2018
We show that for cubic scalar field theories in five and more spacetime dimensions, and for the T = 0 limit of the Caldeira-Leggett model, the quantum master equation for long-wavelength modes initially unentangled from short-distance modes, and at ...
Cesar Agón, Albion Lawrence
doaj   +1 more source

Quantum dynamics in open quantum-classical systems [PDF]

Journal of Physics: Condensed Matter, 2015
Often quantum systems are not isolated and interactions with their environments must be taken into account. In such open quantum systems these environmental interactions can lead to decoherence and dissipation, which have a marked influence on the properties of the quantum system.
openaire   +3 more sources

Comparison between the rotating wave and Feynman-Vernon system-reservoir couplings in the non-Markovian regime [PDF]

, 2003
PACS. 03.65.Yz Decoherence; open systems; quantum statistical methods – 03.65.Ta Foundations of quantum mechanics; measurement theory,
S. Maniscalco, Intravaia, F, A. Messina, Messina, A, F. Intravaia, Maniscalco, Sabrina   +5 more
core   +1 more source

Transitionless quantum driving in open quantum systems

New Journal of Physics, 2014
We extend the concept of superadiabatic dynamics, or transitionless quantum driving, to quantum open systems whose evolution is governed by a master equation in the Lindblad form.
G Vacanti, R Fazio, S Montangero, G M Palma, M Paternostro, V Vedral   +5 more
doaj   +1 more source

Quantum dynamics in a tiered non-Markovian environment [PDF]

, 2015
We introduce a new analytical method for studying the open quantum systems problem of a discrete system weakly coupled to an environment of harmonic oscillators.
Benjamin, Simon C., Lovett, Brendon W., Fruchtman, A., Lovett, B.W., Fruchtman, Amir, Gauger, E.M., Gauger, Erik M.; id_orcid, Benjamin, S.C., Simon C Benjamin, Brendon W Lovett, Erik M Gauger, Fruchtman A., Benjamin S.C., Gauger E.M., Lovett B.W., Amir Fruchtman, Lovett, B.W.; id_orcid   +16 more
core   +1 more source

Adaptive variational simulation for open quantum systems [PDF]

Quantum
Emerging quantum hardware provides new possibilities for quantum simulation. While much of the research has focused on simulating closed quantum systems, the real-world quantum systems are mostly open.
Huo Chen, Niladri Gomes, Siyuan Niu, Wibe Albert de Jong   +3 more
doaj   +1 more source

Krylov complexity in open quantum systems

Physical Review Research, 2023
Krylov complexity is a measure of operator complexity that exhibits universal behavior and bounds a large class of other measures. In this paper, we generalize Krylov complexity from a closed system to an open system coupled to a Markovian bath, where ...
Chang Liu, Haifeng Tang, Hui Zhai
doaj   +1 more source