Zobrazeno 1 - 10
of 114
pro vyhledávání: '"Donangelo, Raul"'
We derive a generalization of the Ehrenfest theorem valid for open quantum systems. From this result, we identify three factors contributing to the evolution of expected values: explicit time dependence of the observable, thermal interaction, and qua
Externí odkaz:
http://arxiv.org/abs/2402.18895
Given a finite collection of two-dimensional tile types, the field of study concerned with covering the plane with tiles of these types exclusively has a long history, having enjoyed great prominence in the last six to seven decades. Much of this int
Externí odkaz:
http://arxiv.org/abs/2308.03552
Publikováno v:
Phys. Rev. E 103, 042105 (2021)
Considering an entropy-based division of energy transferred into heat and work, we develop an alternative theoretical framework for the thermodynamic analysis of two-level systems. When comparing these results with those obtained under the standard d
Externí odkaz:
http://arxiv.org/abs/2103.08934
Publikováno v:
Physical Review E 103 (2021), 012403
Bacterial quorum sensing is the communication that takes place between bacteria as they secrete certain molecules into the intercellular medium that later get absorbed by the secreting cells themselves and by others. Depending on cell density, this u
Externí odkaz:
http://arxiv.org/abs/2008.03557
A general expression for the temperature of a finite-dimensional quantum system is deduced from thermodynamic arguments. At equilibrium, this magnitude coincides with the standard thermodynamic temperature. Furthermore, it is well-defined even far fr
Externí odkaz:
http://arxiv.org/abs/2005.00261
We explore the notion of generated entropy in open quantum systems. We focus on the study of the discrete-time quantum walk on the line, from the entropy production perspective. We argue that the evolution of the coin can be modeled as an open two-le
Externí odkaz:
http://arxiv.org/abs/2004.04850
An explicit expression for the temperature of an open two-level quantum system is obtained as a function of local properties, under the hypothesis of weak interaction with the environment. This temperature is defined for both equilibrium and out-of-e
Externí odkaz:
http://arxiv.org/abs/2004.04845
Akademický článek
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Publikováno v:
Physical Review A 98, 032319 (2018)
We study, from a thermodynamic perspective, the equilibrium states of a qubit interacting with an arbitrary environment of dimension N>>2. We show that even in presence of memory about the initial state, in some cases the qubit can be considered in a
Externí odkaz:
http://arxiv.org/abs/1810.11083
Publikováno v:
Physical Review E 98 (2018), 032409
The genetic material of a eukaryotic cell comprises both nuclear DNA (ncDNA) and mitochondrial DNA (mtDNA). These differ markedly in several aspects but nevertheless must encode proteins that are compatible with one another. Here we introduce a netwo
Externí odkaz:
http://arxiv.org/abs/1804.10925