Interstellar Propagation of Electromagnetic Signals de Henning F. Harmuth

Interstellar Propagation of Electromagnetic Signals

Henning F. Harmuth

Konstantin Lukin

en Limba Engleză Paperback – 17 oct 2012

Most texts on electromagnetic theory follow the classical approach of steady state solutions of Maxwell's equations. In Interstellar Propagation of Electromagnetic Signals, the authors, H. Harmuth and K. Lukin, point out the deficiencies in Maxwell's theory and present an exciting new way of obtaining transient or signals solutions.
This book can be used by researchers, graduate students and scientists in the areas of physics, astrophysics, astronomy and electromagnetic theory or electromagnetics.

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Cuprins

1 Introduction.- 1.1 Dipole Current Densities in Maxwell’s Equations.- 1.2 Ohm’s Law for Induced Electric Dipoles with Mass.- 1.3 Magnetic Ohm’s Law for Magnetic Dipoles with Mass.- 1.4 Dipoles and Quadrupoles Created in Vacuum.- 1.5 Observation of Dipole Currents.- 1.6 Approximation of Signal Functions by Exponential Functions.- 2 Electric Field Strength Due to Electric Excitation.- 2.1 Derivation of the Partial Differential Equation.- 2.2 Electric Field Strength for Eigenfunction Excitation.- 2.3 Algebraic Equation of Sixth Order.- 2.4 Solution of Differential Equation of Sixth Order.- 2.5 Plots of the Electric Field Strength for p < 1/2.- 2.6 Plots of the Electric Field Strength for p > 1/2.- 3 Associated Field Strengths.- 3.1 Associated Magnetic Field Strength.- 3.2 Integration Constants for Electric Excitation.- 3.3 Plots of the Associated Magnetic Field Strength for p < 1/2.- 3.4 Plots of the Associated Magnetic Field Strength for p > 1/2.- 3.5 Field Strengths Due to Magnetic Excitation.- 3.6 Plots for the Associated Electric Field Strength.- 4 Excitation Functions With Finite Rise Time.- 4.1 Electric Excitation Function for p < 1/2.- 4.2 Electric Excitation Function for p > 1/2.- 4.3 Peak Amplitudes of the Precursor.- 4.4 Excitation by Sinusoidal Pulses.- 4.5 Excitation by Rectangular Pulses.- 5 Electromagnetic Signals in Astronomy.- 5.1 Information Obtained from Electromagnetic Waves.- 5.2 Main Lobe of Signals for Various Distances.- 5.3 Precursor of Signals for Various Distances.- 5.4 Sinusoidal Pulses at Various Distances.- 5.5 Rectangular Pulses at Various Distances.- 6 Appendix.- 6.1 Numerical Evaluation for p < 1/2.- 6.2 Numerical Evaluation for p > 1/2.- 6.3 Evaluation of Certain Small Terms for p < 1/2.- 6.4 Evaluation of Certain Small Terms for p >1/2.- 6.5 Associated Magnetic Field Strength for p < 1/2.- 6.6 Associated Magnetic Field Strength for p > 1/2.- 6.7 Relation Between D and E or B and H.- References and Bibliography.