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Dynamics and non-Markovianity of qubits in superconducting circuits with coupled transmission lines

Grant number: 12/12702-7
Support type:Scholarships in Brazil - Doctorate
Effective date (Start): October 01, 2012
Effective date (End): January 31, 2015
Field of knowledge:Physical Sciences and Mathematics - Physics - General Physics
Principal Investigator:Fernando Luis Semião da Silva
Grantee:Paulo Cesar Cardenas Montoya
Home Institution: Centro de Ciências Naturais e Humanas (CCNH). Universidade Federal do ABC (UFABC). Ministério da Educação (Brasil). Santo André , SP, Brazil


During the last years, there has been great theoretical-experimental effort in order tounderstand the role of quantum effects in energy transfer through coupled systems. This project is dedicated to this problem and its main goal is to set a theoretical treatment of quantum transport under many different physical scenarios. In particular, vibrational couplings in systems of biological interest, energy transfer efficiency as a function of Markovianity and the role of dimensionality in the space state of spin reservoirs will be studied. The analysis will cover problems in biophysics, nanotechnology and quantum informations and this testifies the interdisciplinary approach of the project. The results may bring new elements to the understanding of the frontier between classical and quantum physics since the studies are aimed at the manipulations and understanding of quantum effects in systems of great structural complexity.

Scientific publications
(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)
CARDENAS, P. C.; TEIXEIRA, W. S.; SEMIAO, F. L. Coupled modes locally interacting with qubits: Critical assessment of the rotating-wave approximation. Physical Review A, v. 95, n. 4 APR 12 2017. Web of Science Citations: 1.
CARDENAS, P. C.; PATERNOSTRO, M.; SEMIAO, F. L. Non-Markovian qubit dynamics in a circuit-QED setup. Physical Review A, v. 91, n. 2 FEB 26 2015. Web of Science Citations: 9.

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