Search Results - "Avelar, A.T."

Modulation of breathers in cigar-shaped Bose–Einstein condensates by Cardoso, W.B., Avelar, A.T., Bazeia, D.

“…We present new solutions to the nonautonomous nonlinear Schrödinger equation that may be realized through convenient manipulation of Bose–Einstein condensates…”
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Relativistic spin operator must be intrinsic by Taillebois, E.R.F., Avelar, A.T.

“…•We derive the properties that a relativistic intrinsic concept must obey.•We show that three-vector spin definitions fail to be intrinsic.•Intrinsicality is…”
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Dynamics of nonclassical correlations via local quantum uncertainty for atom and field interacting into a lossy cavity QED by Sales, J.S., Cardoso, W.B., Avelar, A.T., de Almeida, N.G.

“…We study the dynamics of nonclassical correlations of an atom interacting with a squeezed coherent state or a squeezed coherent states superposition (SCSS)…”
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Modulation of localized solutions for the Schrödinger equation with logarithm nonlinearity by Calaça, L., Avelar, A.T., Bazeia, D., Cardoso, W.B.

“…•We investigate localized solutions of the logarithm Schrödinger equation.•Similarity transformation converts the equation into an autonomous form.•The…”
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Controlling statistical properties of a Cooper pair box interacting with a nanomechanical resonator by Valverde, C., Avelar, A.T., Baseia, B.

“…We investigate the quantum entropy, its power spectrum, and the excitation inversion of a Cooper pair box interacting with a nanomechanical resonator, the…”
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Obtaining phase-optimized states from superpositions of coherent states in phase-sensitive attenuating/amplifying reservoirs by Ferreira, C.J.S., Valverde, C., Avelar, A.T., Baseia, B., Malbouisson, J.M.C.

“…In this paper we present new nonclassical states of a single mode of the electromagnetic field constructed by superpositions of coherent states distributed…”
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A proposal to implement a quantum delayed choice experiment assisted by cavity QED by de Almeida, N.G., Avelar, A.T., Cardoso, W.B.

“…We propose a scheme with current technology to implement a quantum delayed-choice experiment in the realm of cavity QED. Our scheme uses two-level atoms…”
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New lump-like structures in scalar-field models by Avelar, A.T., Bazeia, D., Losano, L., Menezes, R.

“…In this work we investigate lump-like solutions in models described by a single real scalar field. We start considering non-topological solutions with the…”
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Solitons of two-component Bose–Einstein condensates modulated in space and time by Cardoso, W.B., Avelar, A.T., Bazeia, D., Hussein, M.S.

“…In this Letter we present soliton solutions of two coupled nonlinear Schrödinger equations modulated in space and time. The approach allows us to obtain…”
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Bright and dark solitons in a periodically attractive and expulsive potential with nonlinearities modulated in space and time by Cardoso, W.B., Avelar, A.T., Bazeia, D.

“…This work deals with soliton solutions of the nonlinear Schrödinger equation with a diversity of nonlinearities. We solve the equation in a potential which…”
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Lump-like structures in scalar-field models in dimensions by Avelar, A.T., Bazeia, D., Cardoso, W.B., Losano, L.

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Anderson localization of matter waves in chaotic potentials by Cardoso, W.B., Avelar, A.T., Bazeia, D.

“…In the present paper we study Anderson localization of Bose–Einstein condensate with a weakly positive nonlinearity under the influence of chaotic potentials…”
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A note on approximate teleportation of an unknown atomic state in the two-photon Jaynes–Cummings model by dSouza, A.D., Cardoso, W.B., Avelar, A.T., Baseia, B.

“…We consider recent schemes [J.M. Liu, B. Weng, Physica A 367 (2006) 215] to teleport unknown atomic states and superposition of zero- and two-photon states…”
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Lump-like structures in scalar-field models in 1 + 1 dimensions by Avelar, A.T., Bazeia, D., Cardoso, W.B., Losano, L.

“…In this work we investigate the presence of lump-like solutions in models described by a single real scalar field in 1 + 1 dimensions. We take advantage of a…”
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Nonlinear Schrödinger equation with chaotic, random, and nonperiodic nonlinearity by Cardoso, W.B., Leão, S.A., Avelar, A.T., Bazeia, D., Hussein, M.S.

“…In this Letter we deal with a nonlinear Schrödinger equation with chaotic, random, and nonperiodic cubic nonlinearity. Our goal is to study the soliton…”
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Alternative scheme to generate a supersinglet state of three-level atoms by Qiang, W.-C., Cardoso, W.B., Avelar, A.T., Baseia, B.

“…In this Letter we propose an alternative scheme to generate a supersinglet state of three three-level atoms via a single-mode of a cavity QED based on the…”
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Teleportation of entangled states without Bell-state measurement via a two-photon process by dSouza, A.D., Cardoso, W.B., Avelar, A.T., Baseia, B.

“…In this letter we propose a scheme using a two-photon process to teleport an entangled field state of a bimodal cavity to another one without Bell-state…”
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A note on the generation of displaced number states by Malbouisson, J.M.C., Baseia, B., Avelar, A.T.

“…We show that a recent proposal for the generation of displaced number states [G.C. de Oliveira et al., Physica A 351 (2005) 251] is misleading and cannot be…”
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Generation and properties of superposed squeezed states by Monteiro, Paula B., Aragão, A., Avelar, A.T., Baseia, B.

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Addendum to: “Generation of states A | k 2 N 〉 + B | ( k + 1 ) 2 N 〉 for electromagnetic fields” [Phys. Lett. A 329 (2004) 284] by Aragão, A., Avelar, A.T., Malbouisson, J.M.C., Baseia, B.

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