Search Results - "André, Régis"
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1
Spontaneous coherent phase transition of polaritons in CdTe microcavities
Published in Physical review letters (13-05-2005)“…We report on evidence for polariton condensation out of a reservoir of incoherent polaritons. Polariton population and first-order coherence are investigated…”
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2
Educar para os direitos humanos no espaço não formal de ensino: uma análise a partir da perspectiva das detentas da penitenciária Maria Júlia Maranhão (PB)
Published in Revista Principia (08-12-2021)“…O presente artigo tem seu foco na educação para os direitos humanos no espaço não formal de ensino. A análise do tema se dá por meio das representações das…”
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3
Consequences of strong coupling between excitons and microcavity leaky modes
Published in Applied physics letters (14-02-2005)“…Semiconductor microcavities are known to exhibit the so-called leaky modes due to the Bragg structure of the cavity mirrors. In case of microcavities operating…”
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4
Modelagem e estruturação de processo: compreendendo a etapa de recebimento em um operador logístico
Published in Revista Principia (29-06-2018)“…A estruturação adequada dos processos de trabalho é essencial por possibilitar um conhecimento amplo e democrático e por alinhar as ações aos objetivos…”
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5
Creatine supplementation and resistance training in vulnerable older women: A randomized double-blind placebo-controlled clinical trial
Published in Experimental gerontology (01-05-2014)“…This study aimed to examine the efficacy of creatine supplementation, associated or not with resistance training, in vulnerable older women. A 24-week,…”
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6
O movimento de economia solidária: essencialidades do princípio educativo
Published in Revista iberoamericana de educación (31-01-2018)“…objetivo deste estudo foi entender a essência do princípio educativo que rege o Movimento de Economia Solidária (MES), seus sentidos e significados, indagando…”
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7
Coherent oscillations in an exciton-polariton Josephson junction
Published in Physical review letters (15-09-2010)“…We report on the observation of spontaneous coherent oscillations in a microcavity polariton bosonic Josephson junction. Condensation of exciton polaritons…”
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8
Observation of Half-Quantum Vortices in an Exciton-Polariton Condensate
Published in Science (American Association for the Advancement of Science) (13-11-2009)“…Singly quantized vortices have already been observed in many systems, including the superfluid helium, Bose-Einstein condensates of dilute atomic gases, and…”
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9
Spontaneous pattern formation in a polariton condensate
Published in Physical review letters (02-09-2011)“…Exciton-polariton condensation can be regarded as a self-organization phenomenon, where phase ordering is established among particles in the system. In such…”
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10
Nanostructure of Nafion® membranes at different states of hydration
Published in Vibrational spectroscopy (01-11-2001)Get full text
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11
Probing the dynamics of spontaneous quantum vortices in polariton superfluids
Published in Physical review letters (16-03-2011)“…The experimental investigation of spontaneously created vortices is of utmost importance for the understanding of quantum phase transitions towards a…”
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12
Exciton dynamics in CdTe/CdZnTe quantum well
Published in Semiconductors (Woodbury, N.Y.) (14-04-2023)“…Exciton energy structure and population dynamics in a wide CdTe/CdZnTe quantum well are studied by spectrally-resolved pump-probe spectroscopy. Multiple…”
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13
Dissociation dynamics of singly charged vortices into half-quantum vortex pairs
Published in Nature communications (01-12-2012)“…The quest for identification and understanding of fractional vorticity is a major subject of research in the quantum fluids domain, ranging from…”
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14
Subnanosecond spectral diffusion measurement using photon correlation
Published in Nature photonics (01-10-2010)“…Spectral diffusion is a result of random spectral jumps of a narrow line as a result of a fluctuating environment. It is an important issue in spectroscopy,…”
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15
Formation of an exciton polariton condensate: thermodynamic versus kinetic regimes
Published in Physical review letters (03-10-2008)“…We measure the polariton distribution function and the condensation threshold versus the photon-exciton detuning and the lattice temperature in a CdTe…”
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16
Restoring the Coherence of Quantum Emitters through Optically Driven Motional Narrowing Forces
Published in Nano letters (22-12-2021)“…Motional narrowing is a phenomenon by which a quantum state can be entangled with a noisy environment and still retain its intrinsic coherence. Using two…”
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17
Hyperbolic spin vortices and textures in exciton–polariton condensates
Published in Nature communications (09-10-2013)“…From cosmology to the microscopic scales of the quantum world, the study of topological excitations is essential for the understanding of phase conformation…”
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18
Ultrafast Room Temperature Single-Photon Source from Nanowire-Quantum Dots
Published in Nano letters (13-06-2012)“…Epitaxial semiconductor quantum dots are particularly promising as realistic single-photon sources for their compatibility with manufacturing techniques and…”
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19
Cálculo da disponibilidade e da posição na curva da banheira de uma válvula de processo petroquímico
Published in Revista produção online (26-11-2008)“…O objetivo do artigo foi apresentar um método para calcular a disponibilidade e posicionar, ao longo de seu ciclo de vida, na curva da banheira, um sistema…”
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20
Spontaneous self-ordered states of vortex-antivortex pairs in a polariton condensate
Published in Physical review. B, Condensed matter and materials physics (15-11-2013)“…Polariton condensates have proved to be model systems to investigate topological defects, as they allow for direct and nondestructive imaging of the condensate…”
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