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pro vyhledávání: '"M. A. Csirik"'
We investigate a case of the Hu-Paz-Zhang master equation of the Caldeira-Leggett model without Lindblad form obtained in the weak-coupling limit up to the second-order perturbation. In our study, we use Gaussian initial states to be able to employ a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fa509782a3b64284ec3f0da31e0f997c
http://arxiv.org/abs/2002.06272
http://arxiv.org/abs/2002.06272
Publikováno v:
Set-Valued and Variational Analysis. 25:333-356
We generalize to locally Lipschitz functionals defined on a closed ball of a reflexive Banach space with strictly convex dual the critical point theory developed by Schechter for C 1-functionals in Hilbert spaces. Using a constrained deformation theo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::348ff16ec72d5eefba14c924d813c50e
https://doi.org/10.1007/s11228-016-0383-6
https://doi.org/10.1007/s11228-016-0383-6
Autor:
M. A. Csirik
Publikováno v:
Electronic Journal of Qualitative Theory of Differential Equations, Vol 2016, Iss 21, Pp 1-15 (2016)
We generalize F. E. Browder's results concerning pseudomonotone elliptic partial differential operators defined on unbounded domains. We show that under suitable assumptions, Browder's result holds true if the coefficient functions are functionals of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::57bcf8c2c9ce95c60b426b832f81a312
https://doi.org/10.14232/ejqtde.2016.1.21
https://doi.org/10.14232/ejqtde.2016.1.21
Publikováno v:
The European Physical Journal D. 72
Quantum Brownian motion of a harmonic oscillator in the Markovian approximation is described by the respective Caldeira-Leggett master equation. This master equation can be brought into Lindblad form by adding a position diffusion term to it. The coe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0a18e0e13ff80c51dffca4b2aeb6972a
https://doi.org/10.1140/epjd/e2018-90476-0
https://doi.org/10.1140/epjd/e2018-90476-0
Autor:
Libor Veis, Mihály Máté, M. A. Csirik, Simen Kvaal, Reinhold Schneider, Jiří Pittner, Jiří Brabec, Andrej Antalík, Fabian M. Faulstich, Andre Laestadius, Örs Legeza
Publikováno v:
Journal of Chemical Theory and Computation
In this article, we investigate the numerical and theoretical aspects of the coupled-cluster method tailored by matrix-product states. We investigate formal properties of the used method, such as energy size consistency and the equivalence of linked
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::aafe110ade5ffd3be03c3e31aee32853
Publikováno v:
Zeitschrift für angewandte Mathematik und Physik. 66:2787-2806
We consider a general mathematical model which describes the contact between a body and a foundation, under the small deformations hypothesis. The behavior of the material is modeled by a monotone constitutive law, while on the potential contact zone
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8b09953227c9e5c268c4ecc288a76d59
https://doi.org/10.1007/s00033-015-0513-2
https://doi.org/10.1007/s00033-015-0513-2