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Ultrastrong and deep strong coupling regimes in circuit quantum electrodynamics

Grant number: 14/24576-1
Support Opportunities:Scholarships abroad - Research Internship - Post-doctor
Effective date (Start): April 01, 2015
Effective date (End): March 31, 2016
Field of knowledge:Physical Sciences and Mathematics - Physics - General Physics
Principal Investigator:Celso Jorge Villas-Bôas
Grantee:Daniel Zini Rossatto
Supervisor: Enrique Solano
Host Institution: Centro de Ciências Exatas e de Tecnologia (CCET). Universidade Federal de São Carlos (UFSCAR). São Carlos , SP, Brazil
Research place: Universidad del País Vasco, Bizkaia (UPV), Spain  
Associated to the scholarship:13/23512-7 - Circuit Quantum Electrodynamics: Bistability and Squeezed States, BP.PD

Abstract

Recently, the investigation of light-matter interaction in ultrastrong and deep strong coupling regimes has revealed novel counterintuitive physical phenomena. In this research internship abroad we will study some relevant cases concerning the ultrastrong and the deep strong coupling regimes of the quantum Rabi model in the presence of dissipation, especially in the context of circuit quantum electrodynamics, since superconducting qubits are promising candidates for future quantum applications on a chip. For example, one of the cases under consideration is the study of stable Schrödinger's cat states, as, under certain conditions, the ground state of the quantum Rabi model is related to those states, so that dissipation will lead the system to such states instead of destroy them as typically occurs in the protocols for generating non-classical states. (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)
ROSSATTO, D. Z.; FELICETTI, S.; ENERIZ, H.; RICO, E.; SANZ, M.; SOLANO, E.. Entangling polaritons via dynamical Casimir effect in circuit quantum electrodynamics. Physical Review B, v. 93, n. 9, . (14/24576-1)
FELICETTI, S.; ROSSATTO, D. Z.; RICO, E.; SOLANO, E.; FORN-DIAZ, P.. Two-photon quantum Rabi model with superconducting circuits. Physical Review A, v. 97, n. 1, . (13/23512-7, 14/24576-1)
ROSSATTO, DANIEL Z.; VILLAS-BOAS, CELSO J.; SANZ, MIKEL; SOLANO, ENRIQUE. Spectral classification of coupling regimes in the quantum Rabi model. Physical Review A, v. 96, n. 1, . (13/23512-7, 13/04162-5, 14/24576-1)
FELICETTI, S.; ROSSATTO, D. Z.; RICO, E.; SOLANO, E.; FORN-DIAZ, P.. Two-photon quantum Rabi model with superconducting circuits. HYSICAL REVIEW, v. 97, n. 1, p. 11-pg., . (13/23512-7, 14/24576-1)
ENERIZ, H.; ROSSATTO, D. Z.; CARDENAS-LOPEZ, F. A.; SOLANO, E.; SANZ, M.. Degree of Quantumness in Quantum Synchronization. SCIENTIFIC REPORTS, v. 9, . (13/23512-7, 14/24576-1)
ROSSATTO, DANIEL Z.; VILLAS-BOAS, CELSO J.; SANZ, MIKEL; SOLANO, ENRIQUE. Spectral classification of coupling regimes in the quantum Rabi model. HYSICAL REVIEW, v. 96, n. 1, p. 13-pg., . (13/23512-7, 14/24576-1, 13/04162-5)
ROSSATTO, D. Z.; FELICETTI, S.; ENERIZ, H.; RICO, E.; SANZ, M.; SOLANO, E.. Entangling polaritons via dynamical Casimir effect in circuit quantum electrodynamics. PHYSICAL REVIEW B, v. 93, n. 9, p. 8-pg., . (14/24576-1)

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