Search Results - "Pedrosa, I. A."
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1
Light in dielectric media and scalar fields in a de Sitter spacetime
Published in The European physical journal. C, Particles and fields (01-08-2021)“…In the present work we discuss the behavior of light in a linear dielectric medium with a time-varying electric permittivity that increases exponentially at a…”
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2
Electromagnetic waves propagation in time-varying dielectric media and in a de Sitter spacetime
Published in The European physical journal. D, Atomic, molecular, and optical physics (01-05-2021)“…In this work we investigate the propagation of electromagnetic waves in a homogenous dielectric linear medium with a time-varying electric permittivity…”
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3
Quantum Motion of a Damped Particle in a Paul Trap
Published in Brazilian journal of physics (01-06-2021)“…In this work, we analyze the quantum dynamics of a particle with time-varying mass increasing exponentially in a Paul trap with a trap frequency that decays…”
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4
On the Quantization of the London Superconductor
Published in Brazilian journal of physics (01-06-2021)“…We present a simple and direct phenomenological quantization scheme for the London superconductor. Using Maxwell and continuity equations, we show that this…”
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5
On the quantization of the electromagnetic field in conducting media
Published in Journal of modern optics (10-01-2009)“…In this work we investigate the quantization of electromagnetic waves propagating through homogeneous conducting linear media with no charge density. We use…”
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6
Adiabatic and nonadiabatic evolution of electromagnetic waves propagating in time-dependent linear media
Published in The European physical journal. D, Atomic, molecular, and optical physics (01-09-2021)“…Based on the time-dependent dynamical invariants, we present a simple and elegant approach to study in both classical and quantum contexts the adiabatic and…”
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7
Electromagnetic field quantization in time-dependent linear media
Published in Physical review letters (03-07-2009)“…We present a quantization scheme for the electromagnetic field in time-dependent homogeneous nondispersive conducting and nonconducting linear media without…”
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8
Quantum dynamics of a particle trapped by oscillating fields
Published in Journal of modern optics (10-01-2009)“…In this work we investigate the quantum dynamics of a particle trapped by oscillating fields. With the help of quadratic invariants and of the invariant method…”
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9
Quantum Description of a Mesoscopic RLC Circuit
Published in Progress of theoretical physics (01-06-2011)Get full text
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10
Quantum description of a time-dependent mesoscopic RLC circuit
Published in Physica scripta (01-11-2012)“…In this paper, we present a comprehensive quantum description of a mesoscopic RLC circuit with time-dependent resistance, inductance and capacitance. Based on…”
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11
Light propagation: From dielectrics to curved spacetimes
Published in Europhysics letters (01-05-2011)“…We investigate the light propagation through time-dependent dielectric linear media in the absence of free charges and in curved spacetimes. Remarkably, we…”
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12
Gaussian wave packet states of relic gravitons
Published in Physics letters. B (19-01-2009)“…In this contribution, we investigate quantum effects of relic gravitons in a Friedmann–Robertson–Walker (FRW) cosmological background. We reduce the problem to…”
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13
Exact linear invariants and quantum effects in the early universe
Published in Physics letters. B (09-08-2007)“…In this contribution we use linear invariants and the dynamical invariant method in the framework of the linear Schrödinger equation to study scalar fields in…”
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14
On the quantum motion of a generalized time-dependent forced harmonic oscillator
Published in Annals of physics (01-09-2008)“…In this work, we use linear invariants and the dynamical invariant method to obtain exact solutions of the Schrödinger equation for the generalized…”
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15
Scalar fields and exact invariants in a Friedmann-Robertson-Walker spacetime
Published in Physical review. D, Particles, fields, gravitation, and cosmology (01-12-2004)Get full text
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16
Exact wave functions of a harmonic oscillator with time-dependent mass and frequency
Published in Physical review. A, Atomic, molecular, and optical physics (01-04-1997)Get full text
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17
Harmonic oscillator with time-dependent mass and frequency and a perturbative potential
Published in Physical review. A, Atomic, molecular, and optical physics (01-02-1992)Get full text
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18
Lewis and Riesenfeld approach to time-dependent non-Hermitian Hamiltonians having $\mathcal{PT}$ symmetry
Published in European physical journal plus (01-11-2018)Get full text
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19
Tsallis, Rényi, and Shannon entropies for time-dependent mesoscopic RLC circuits
Published in Progress of theoretical and experimental physics (01-11-2015)“…We calculate information measures using the Tsallis, Rényi, and Shannon entropies for two classes (Lane–Emden and Caldirola–Kanai) of time-dependent mesoscopic…”
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20
Lewis and Riesenfeld approach to time-dependent non-Hermitian Hamiltonians having 𝒫𝒯symmetry
Published in European physical journal plus (02-11-2018)“… We discuss the extension of the Lewis and Riesenfeld invariant method to cases where the quantum systems are modulated by time-dependent non-Hermitian…”
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