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Non-classical effects in quantum thermodynamics

Grant number: 19/04184-5
Support type:Scholarships in Brazil - Post-Doctorate
Effective date (Start): July 01, 2019
Field of knowledge:Physical Sciences and Mathematics - Physics - General Physics
Principal researcher:Roberto Menezes Serra
Grantee:Jonas Floriano Gomes dos Santos
Home Institution: Centro de Ciências Naturais e Humanas (CCNH). Universidade Federal do ABC (UFABC). Ministério da Educação (Brasil). Santo André , SP, Brazil


The possibility of manipulating information through non-classical effects has resulted in the allocation of appreciable amount of financial resources in many countries. The financial investiment for the development of a quantum technology to manipulate information substantially increased in recent years. The understanding of quantum processes in small quantum systems out of equilibrium surely is an important step for the stablishment of limits of this emergent techonology. In this sense, fundamental investigations of quantum effects in thermodynamic protocols must contribute for the development of what was conventinally called Quantum Thermodynamics. One of the goals of this project is to investigate how non-classical effects and characteristics are associated to entropy production and irreversibility in the execution of protocols of quantum systems in finite-time. We will also investigate how to use non-classical characteristic to improve thermodynamic processes in quantum systems, in particular, work extraction and refrigerator protocols. Among other non-classical features, we are interested in effects associated to quantum coherence and non-Markovian dynamics in a quantum system interacting with a structured reservoir. The present project encompasses theoretical developments concatenated with tests of experimental principles of the mechanicms which will be studied. (AU)

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Scientific publications (4)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
SANTOS, JONAS F. G.; VIEIRA, CARLOS H. S.; DIEGUEZ, PEDRO R. Negativity-mutual information conversion and coherence in two-coupled harmonic oscillators. PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS, v. 579, OCT 1 2021. Web of Science Citations: 0.
SANTOS, JONAS F. G. Heat flow and noncommutative quantum mechanics in phase-space. Journal of Mathematical Physics, v. 61, n. 12 DEC 1 2020. Web of Science Citations: 0.
CAMATI, PATRICE A.; SANTOS, JONAS F. G.; SERRA, ROBERTO M. Employing non-Markovian effects to improve the performance of a quantum Otto refrigerator. Physical Review A, v. 102, n. 1 JUL 20 2020. Web of Science Citations: 0.
SANTOS, JONAS F. G. Noncommutative phase-space effects in thermal diffusion of Gaussian states. Journal of Physics A-Mathematical and Theoretical, v. 52, n. 40 OCT 4 2019. Web of Science Citations: 0.

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