82 citations
- Universidade de São PauloBR5 papers
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- Engineering Systems (United States)US1 paper
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5 papers · 1 filter
Abelian and non-Abelian geometric phases in adiabatic open quantum systems
M. S. Sarandy, D. A. Lidar
We introduce a self-consistent framework for the analysis of both Abelian and non-Abelian geometric phases associated with open quantum systems, undergoing cyclic adiabatic evoluti…
Decoherence in strongly coupled quantum oscillators
M. A. de Ponte, M. C. de Oliveira, M. H. Y. Moussa
In this paper we present a comprehensive analysis of the coherence phenomenon of two coupled dissipative oscillators. The action of a classical driving field on one of the oscillat…
Engineering squeezed states in high-Q cavities
N. G. de Almeida, R. M. Serra, C. J. Villas-Boas +1
While it has been possible to build fields in high-Q cavities with a high degree of squeezing for some years, the engineering of arbitrary squeezed states in these cavities has onl…
Frequency up- and down-conversions in two-mode cavity quantum electrodynamics
R. M. Serra, C. J. Villas-Boas, N. G. de Almeida +1
In this letter we present a scheme for the implementation of frequency up- and down-conversion operations in two-mode cavity quantum electrodynamics (QED). This protocol for engine…
Generating Fock states and two-Fock states superposition from circular states, in a trapped ion
Salomon S. Mizrahi, Wagner D. Jose
We propose three schemes to engineer 2^M and M+1 circular states for the motion of the center of mass of a trapped ion, being the number of laser pulses. Since the ion is subje…