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pro vyhledávání: '"Cavalcanti S"'
We derive simple formulae for the transmittance $T$ and reflectance $R$ of Gaussian-Schell beams incident upon any stratified dielectric structure by using second-order classical coherence theory in the space-frequency picture. The formalism is appli
Externí odkaz:
http://arxiv.org/abs/2011.10639
We investigate the dispersion of a classical electromagnetic field in a relativistic ideal gas of charged bosons using scalar quantum electrodynamics at finite temperature and charge density. We derive the effective electromagnetic responses and the
Externí odkaz:
http://arxiv.org/abs/2009.05408
Akademický článek
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Autor:
Brandão, Paulo A., Cavalcanti, S. B.
The physical aspects of partially coherent radiation interacting with deterministic non-Hermitian periodic materials remain largely unexplored in the statistical optics literature. Here, we consider the scattering of partially coherent radiation by a
Externí odkaz:
http://arxiv.org/abs/1908.00645
In this work an exactly solvable model of N two-level systems interacting with a single bosonic dephasing reservoir is considered to unravel the role played by collective non-Markovian dephasing. We show that phase estimation with entangled states fo
Externí odkaz:
http://arxiv.org/abs/1809.11027
Publikováno v:
Physical Review B 92, 235446 (2015)
A theoretical investigation on slow light propagation based on eletromagnetically induced transparency in a three-level quantum-dot system is performed including non-Markovian effects and correlated dephasing reservoirs. It is demonstraonated that th
Externí odkaz:
http://arxiv.org/abs/1601.01540
Akademický článek
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Light propagation through 1D disordered structures composed of alternating layers, with random thicknesses, of air and a dispersive metamaterial is theoretically investigated. Both normal and oblique incidences are considered. By means of numerical s
Externí odkaz:
http://arxiv.org/abs/1006.0013
Autor:
Reyes-Gomez, E., Bruno-Alfonso, A., Cavalcanti, S. B., de Carvalho, C. A. A., Oliveira, L. E.
We analyze one-dimensional photonic superlattices which alternate layers of air and a left-handed material. We assume Drude-type dispersive responses for the dielectric permittivity and magnetic permeability of the left-handed material. Maxwell's equ
Externí odkaz:
http://arxiv.org/abs/0907.1644
Autor:
Mogilevtsev, D., Nisovtsev, A. P., Kilin, S., Cavalcanti, S. B., Brandi, H. S., Oliveira, L. E.
We propose a mechanism to explain the nature of the damping of Rabi oscillations with increasing driving-pulse area in localized semiconductor systems, and have suggested a general approach which describes a coherently driven two-level system interac
Externí odkaz:
http://arxiv.org/abs/0706.4372