Electromagnetics of Time Varying Complex Media

Kalluri, Dikshitulu K.

doi:10.1201/9781439817070

Cited by 65 publications

(29 citation statements)

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“…As a future task, it may be worth analyzing classicality measures for optical waves propagating through timevarying media, which display rich properties associated with nonclassicality [4,5,27,28]. If electromagnetic parameters such as electric permittivity, magnetic permeability, and conductivity vary with time, the media are defined as time-varying media.…”

Section: Resultsmentioning

confidence: 99%

Emergence of Classicality from Initial Quantum World for Dissipative Optical Waves

Choi

2016

AEM

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For light waves propagating in dissipative media, the emergence of classical characteristics from the initial quantum world is investigated. Two classicality measures of the system, which are the measure of the degree of (relative) classical correlation δ CC and that of the degree of quantum decoherence δ QD , are analyzed. The classicality conditions for both δ CC and δ QD are satisfied when the conductivity responsible for the energy dissipation is sufficiently high. We also investigated absolute classical correlations for the light in dissipative media. The measure of the degree of the absolute classical correlation in q-space,δ CC,q , exponentially increases with time, whereas that in the p-space, δ CC,p , exponentially decreases. Further, we have obtained an interesting result which is that the product between them does not vary over time:δ CC,qδCC,p = constant. This outcome is actually similar to that of the uncertainty relation between two conjugate variables, which gives an essential limitation in measurements of a quantum system. If we think that the emergence of classicality in a quantum information system disturbs the process of quantum information, exact knowledge for the mechanism of such classicality transition is necessary in order to cope with it.

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Section: Resultsmentioning

confidence: 99%

Emergence of Classicality from Initial Quantum World for Dissipative Optical Waves

Choi

2016

AEM

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“…The earliest work was conducted by Kuo and Faith for studying the frequency upshift resulting from band deformation in a rapidly created one-dimensional (1-D) periodic plasma structure [6,7]. The dispersion relations for such spatially-discontinued plasmas were later summarized by Kalluri in [8]. In 2004, the concept of plasma photonic crystal (PPC) was proposed for the first time by Hojo and Mase [9].…”

Section: Introductionmentioning

confidence: 98%

Finite-difference time-domain studies of plasma resonating structures

2012

2012 International Conference on Electromagnetics in Advanced Applications

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The plasma resonating structures are carefully designed periodical materials exhibiting various novel phenomena and different properties that have not been expected from ordinary bulk plasmas. In this study, a previously validated magnetized cold plasma FDTD algorithm is utilized to investigate such novel materials. Simulation results for structure resonances arising from coherence effects are to be discussed. Initial modeling results for the interactions of electromagnetic waves with plasma periodic structures will also be covered during the talk.

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“…In general, the wave number varies only when the electromagnetic wave passes through a boundary where spatial discontinuity exists [3]. On account of the second term associated withq l in Eq.…”

Section: Hamiltonian Dynamics Of Fieldsmentioning

confidence: 99%

“…[2] and references there in). Indeed, the knowledge for characteristics of radiation fields propagating through an electromagnetic medium which has time-dependent parameters is crucial for analyzing and diagnosing plasma [3,4].…”

Section: Introductionmentioning

confidence: 99%

Quantum Analysis of a Modified Caldirola-Kanai Oscillator Model for Electromagnetic Fields in Time-Varying Plasma

Choi¹,

Lakehal²,

Maamache³

et al. 2014

PIER Letters

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Abstract-Quantum properties of a modified Caldirola-Kanai oscillator model for propagating electromagnetic fields in a plasma medium are investigated using invariant operator method. As a modification, ordinary exponential function in the Hamiltonian is replaced with a modified exponential function, so-called the q-exponential function. The system described in terms of q-exponential function exhibits nonextensivity. Characteristics of the quantized fields, such as quantum electromagnetic energy, quadrature fluctuations, and uncertainty relations are analyzed in detail in the Fock state, regarding the q-exponential function. We confirmed, from their illustrations, that these quantities oscillate with time in some cases. It is shown from the expectation value of energy operator that quantum energy of radiation fields dissipates with time, like a classical energy, on account of the existence of non-negligible conductivity in media.

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Electromagnetics of Time Varying Complex Media

Cited by 65 publications

References 0 publications

Emergence of Classicality from Initial Quantum World for Dissipative Optical Waves

Emergence of Classicality from Initial Quantum World for Dissipative Optical Waves

Finite-difference time-domain studies of plasma resonating structures

Quantum Analysis of a Modified Caldirola-Kanai Oscillator Model for Electromagnetic Fields in Time-Varying Plasma

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