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Quantum dynamics of systems with dissipative coupling


The primary aim of this project is to develop a theoretical description and methods of designing of novel promising quantum tools, namely, "dissipative gadgets" composed of quantum systems coupled through common dissipative reservoirs. These versatile "dissipative gadgets" can exhibit a number of non- trivial features useful for quantum communications and computing, such as ability to generate deterministically non-classical states (including photon- number states and entangled superpositions of them), extreme stability to losses, ability to simulate efficiently complicated classical processes (such as multi-dimensional random walk). The secondary aim of this project is to develop practically feasible and efficient ways of diagnostics of quantum states preparation in such systems, including analysis of systematic errors and determination of search subspace for quantum reconstruction procedures. The project involves the following themes: 1. Design and analysis of "dissipative gadgets" on the basis of correlation loss for robust generation of non-classical states; 2. Anomalous heat transfer and random walks in dissipatively coupled quantum chains; 3. Development of practical methods for quantum state diagnostics and reconstruction implementing tomography by noise and self-calibration schemes. Apart from the research works, two trimester courses for post-graduate students will be given and some seminars will be organized in Universidade Federal do ABC with the aim to attract young researcher to this perspective area of research. Also, the project aims to establish an international working group on quantum optics and informatics headed by Professor Valery Shchesnovich of Universidade Federal do ABC funded by both National Academy of Sciences of Belarus and FAPESP. (AU)

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Scientific publications (7)
(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)
TIEDAU, J.; SHCHESNOVICH, V. S.; MOGILEVTSEV, D.; ANSARI, V.; HARDER, G.; BARTLEY, T. J.; KOROLKOVA, N.; SILBERHORN, CH. Quantum state and mode profile tomography by the overlap. NEW JOURNAL OF PHYSICS, v. 20, . (14/21188-0, 15/23296-8)
TEO, YONG SIAH; MOGILEVTSEV, DMITRI; MIKHALYCHEV, ALEXANDER; REHACEK, JAROSLAV; HRADIL, ZDENEK. Crystallizing highly-likely subspaces that contain an unknown quantum state of light. SCIENTIFIC REPORTS, v. 6, . (14/21188-0)
MIKHALYCHEV, ALEXANDER; MOGILEVTSEV, DMITRI; TEO, YONG SIAH; REHACEK, JAROSLAV; HRADIL, ZDENEK. Bayesian recursive data-pattern tomography. Physical Review A, v. 92, n. 5, . (14/21188-0)
MOGILEVTSEV, D.; REYES-GOMEZ, E.; CAVALCANTI, S. B.; OLIVEIRA, L. E.. Slow light in semiconductor quantum dots: Effects of non-Markovianity and correlation of dephasing reservoirs. PHYSICAL REVIEW B, v. 92, n. 23, p. 8-pg., . (14/21188-0, 12/51691-0)
MOGILEVTSEV, D.; TEO, Y. S.; REHACEK, J.; HRADIL, Z.; TIEDAU, J.; KRUSE, R.; HARDER, G.; SILBERHORN, C.; SANCHEZ-SOTO, L. L.. Extracting the physical sector of quantum states. NEW JOURNAL OF PHYSICS, v. 19, . (14/21188-0)
MOGILEVTSEV, D.; REYES-GOMEZ, E.; CAVALCANTI, S. B.; OLIVEIRA, L. E.. Slow light in semiconductor quantum dots: Effects of non-Markovianity and correlation of dephasing reservoirs. Physical Review B, v. 92, n. 23, . (14/21188-0, 12/51691-0)
MOGILEVTSEV, D.; SLEPYAN, G. YA; GARUSOV, E.; KILIN, S. YA; KOROLKOVA, N.. Quantum tight-binding chains with dissipative coupling. NEW JOURNAL OF PHYSICS, v. 17, . (14/21188-0)

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