Search Results - "Ramos, E. R. F."

Hydrogels based on chemically modified poly(vinyl alcohol) (PVA-GMA) and PVA-GMA/chondroitin sulfate: Preparation and characterization by Crispim, E. G., Piai, J. F., Fajardo, A. R., Ramos, E. R. F., Nakamura, T. U., Nakamura, C. V., Rubira, A. F., Muniz, E. C.

“…This work reports the preparation of hydrogels based on PVA-GMA, PVA-GMA is poly(vinyl alcohol) (PVA) functionalized with vinyl groups from glycidyl…”
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Observation of vortex formation in an oscillating trapped Bose-Einstein condensate by Henn, E. A. L., Seman, J. A., Ramos, E. R. F., Caracanhas, M., Castilho, P., Olímpio, E. P., Roati, G., Magalhães, D. V., Magalhães, K. M. F., Bagnato, V. S.

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Collective excitation of a Bose-Einstein condensate by modulation of the atomic scattering length by Pollack, S. E., Dries, D., Hulet, R. G., Magalhães, K. M. F., Henn, E. A. L., Ramos, E. R. F., Caracanhas, M. A., Bagnato, V. S.

“…We excite the lowest-lying quadrupole mode of a Bose-Einstein condensate by modulating the atomic scattering length via a Feshbach resonance. Excitation occurs…”
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Three-vortex configurations in trapped Bose-Einstein condensates by Seman, J. A., Henn, E. A. L., Haque, M., Shiozaki, R. F., Ramos, E. R. F., Caracanhas, M., Castilho, P., Castelo Branco, C., Tavares, P. E. S., Poveda-Cuevas, F. J., Roati, G., Magalhães, K. M. F., Bagnato, V. S.

“…We report on the creation of three-vortex clusters in a {sup 87}Rb Bose-Einstein condensate by oscillatory excitation of the condensate. This procedure can…”
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Evaporation in atomic traps: A simple approach by Henn, E. A. L., Seman, J. A., Ramos, E. R. F., Iavaronni, A. H., Amthor, T., Bagnato, V. S.

“…We present a simple model to describe evaporative cooling of ultracold trapped atoms. The cooling is used to achieve low temperatures of the gaseous sample by…”
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Collective excitation of a Bose-Einstein condensate by modulation of the atomic scattering length by Pollack, S. E, Dries, D, Hulet, R. G, Magalhaes, K. M. F, Henn, E. A. L, Ramos, E. R. F, Caracanhas, M. A, Bagnato, V. S

“…Phys. Rev. A 82, 020701(R) (2010) [4 pages] We excite the lowest-lying quadrupole mode of a Bose-Einstein condensate by modulating the atomic scattering length…”
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Order parameter for the dynamical phase transition in Bose-Einstein condensates with topological modes by Ramos, E. R. F, Sanz, L, Yukalov, V. I, Bagnato, V. S

“…Phys. Rev. A 76, 033608 (2007) In a trapped Bose-Einstein condensate, subject to the action of an alternating external field, coherent topological modes can be…”
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Three-vortex configurations in trapped Bose-Einstein condensates by Seman, J. A, Henn, E. A. L, Haque, M, Shiozaki, R. F, Ramos, E. R. F, Caracanhas, M, Branco, C. Castelo, Tavares, P. E. S, Poveda-Cuevas, F. J, Roati, G, Magalhães, K. M. F, Bagnato, V. S

“…Published in Physical Review A 82, 033616 (2010) We report on the creation of three-vortex clusters in a $^{87}Rb$ Bose-Einstein condensate by oscillatory…”
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Ramsey fringes formation during excitation of topological modes in a Bose-Einstein condensate by Ramos, E. R. F, Sanz, L, Yukalov, V. I, Bagnato, V. S

“…Phys. Lett. A 365 (2007) 126-130 The Ramsey fringes formation during the excitation of topological coherent modes of a Bose-Einstein condensate by an external…”
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Observation of vortex formation in an oscillating trapped Bose-Einstein condensate by Henn, E. A. L, Seman, J. A, Ramos, E. R. F, Caracanhas, M, Castilho, P, Olimpio, E. P, Roati, G, Magalhães, D. V, Magalhães, K. M. F, Bagnato, V. S

“…Phys. Rev. A 79, 043618 (2009) We report on the observation of vortex formation in a Bose-Einstein condensate of Rb-87 atoms. Vortices are generated by…”
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Generation of nonground-state Bose-Einstein condensates by modulating atomic interactions by Ramos, E. R. F, Henn, E. A. L, Seman, J. A, Caracanhas, M. A, Magalhães, K. M. F, Helmerson, K, Yukalov, V. I, Bagnato, V. S

“…Phys. Rev. A 78, 063412 (2008) A technique is proposed for creating nonground-state Bose-Einstein condensates in a trapping potential by means of the temporal…”
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Ramsey fringes formation during excitation of topological modes in a Bose–Einstein condensate by Ramos, E.R.F., Sanz, L., Yukalov, V.I., Bagnato, V.S.

“…The Ramsey fringes formation during the excitation of topological coherent modes of a Bose–Einstein condensate by an external modulating field is considered…”
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Ramsey-like fringes observation during excitation of coherent modes in a Bose-Einstein condensate by Ramos, E.R.F., Sanz, L., Yukalov, V.I., Bagnato, V.S.

“…In this work we analyse the excitation of coherent modes for different modalities for the time domain application of the external excitation. We have employed…”
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New anti-tuberculosis drugs: strategies, sources and new molecules by Palomino, Juan Carlos, Ramos, Daniela Fernandes, da Silva, Pedro Almeida

“…Tuberculosis is still a major health problem worldwide. Although treatment regimens currently available can cure almost all tuberculosis drug susceptible…”
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Generation of nonground-state Bose-Einstein condensates by modulating atomic interactions by Ramos, E. R. F., Henn, E. A. L., Seman, J. A., Caracanhas, M. A., Magalhães, K. M. F., Helmerson, K., Yukalov, V. I., Bagnato, V. S.

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Coupling collective modes in a trapped superfluid by Ramos, E. R. F., dos Santos, F. E. A., Caracanhas, M. A., Bagnato, V. S.

“…We consider a superfluid cloud composed of a Bose-Einstein condensate oscillating within a magnetic trap (dipole mode) where, due to the existence of a…”
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Order parameter for the dynamical phase transition in Bose-Einstein condensates with topological modes by Ramos, E. R. F., Sanz, L., Yukalov, V. I., Bagnato, V. S.

“…In a trapped Bose-Einstein condensate, subject to the action of an alternating external field, coherent topological modes can be resonantly excited. Depending…”
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