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Maxwell's Equations

ISBN: 978-0-470-54276-7
312 pages
November 2009, Wiley-IEEE Press
Maxwell
An authoritative view of Maxwell's Equations that takes theory to practice

Maxwell's Equations is a practical guide to one of the most remarkable sets of equations ever devised. Professor Paul Huray presents techniques that show the reader how to obtain analytic solutions for Maxwell's equations for ideal materials and boundary conditions. These solutions are then used as a benchmark for solving real-world problems. Coverage includes:

  • An historical overview of electromagnetic concepts before Maxwell and how we define fundamental units and universal constants today

  • A review of vector analysis and vector operations of scalar, vector, and tensor products

  • Electrostatic fields and the interaction of those fields with dielectric materials and good conductors

  • A method for solving electrostatic problems through the use of Poisson's and Laplace's equations and Green's function

  • Electrical resistance and power dissipation; superconductivity from an experimental perspective; and the equation of continuity

  • An introduction to magnetism from the experimental inverse square of the Biot-Savart law so that Maxwell's magnetic flux equations can be deduced

Maxwell's Equations serves as an ideal textbook for undergraduate students in junior/senior electromagnetics courses and graduate students, as well as a resource for electrical engineers.

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Acknowledgments.

Introduction.

1 Foundations of Maxwell’s Equations.

1.1 Historical Overview.

1.2 Role of Electromagnetic Field Theory.

1.3 Electromagnetic Field Quantities.

1.4 Units and Universal Constants.

1.5 Precision of Measured Quantities.

1.6 Introduction to Complex Variables.

1.7 Phasor Notation.

1.8 Quaternions.

1.9 Original Form of Maxell’s Equations.

2 Vector Analysis.

Introduction.

2.1 Addition and Subtraction.

2.2 Multiplication.

2.3 Triple Products.

2.4 Coordinate Systems.

2.5 Coordinate Transformations.

2.6 Vector Differentiation.

2.7 Divergence Theorem.

2.8 Stokes's Theorem.

2.9 Laplacian of a Vector Field.

3 Static Electric Fields.

Introduction.

3.1 Properties of Electrostatic Fields.

3.2 Gauss’s Law.

3.3 Conservation Law.

3.4 Electric Potential.

3.5 Electric Field for a System of Charges.

3.6 Electric Potential for a System of Charges.

3.7 Electric Field for a Continuous Distribution.

3.8 Conductor in a Static Electric Field.

3.9 Capacitance.

3.10 Dielectrics.

3.11 Electric Flux Density.

3.12 Dielectric Boundary Conditions.

3.13 Electrostatic Energy.

3.14 Electrostatic Field in a Dielectric.

Endnotes.

4 Solution of Electrostatic Problems.

Introduction.

4.1 Poisson’s and Laplace’s Equations.

4.2 Solutions to Poisson’s and Laplace’s Equations.

4.3 Green’s Functions.

4.4 Uniqueness of the Electrostatic Solution.

4.5 Method of Images.

5 Steady Electric Currents.

5.1 Current Density and Ohm’s Law.

5.2 Relation to Circuit Parameters.

5.3 Superconductivity.

5.4 Free Electron Gas Theory.

5.5 Band Theory.

5.6 Equation of Continuity.

5.7 Microscopic View of Ohm’s Law.

5.8 Power Dissipation and Joule’s Law.

5.9 Boundary Condition for Current Density.

5.10 Resistance/Capacitance Calculations.

Endnotes.

6 Static Magnetic Fields.

Introduction.

6.1 Magnetic Force.

6.2 Magnetostatics in Free Space.

6.3 Magnetic Vector Potential.

6.4 The Biot-Savart Law.

6.5 Historical Conclusions.

6.6 Atomic Magnetism.

6.7 Magnetization.

6.8 Equivalent Surface Current Density.

6.9 Equivalent Magnetic Monopole Charge Density.

6.10 Magnetic Field Intensity and Permeability.

6.11 Ferromagnetism.

6.12 Boundary Conditions for Magnetic Fields.

6.13 Inductance and Inductors.

6.14 Torque and Energy.

Endnotes.

7 Time-Varrying Fields.

7.1 Faraday’s Law of Induction.

7.2 E&M Equations before Maxwell.

7.3 Maxwell’s Displacement Current.

7.4 Integral Form of Maxwell’s Equations.

7.5 Magnetic Vector Potential.

7.6 Solution of the Time-Dependent Inhomogeneous Potential Wave Equations.

7.7 Electric and Magnetic Field Equations for Source-Free Problems.

7.8 Solutions for the Homogeneous Wave Equation.

7.9 Particular Solution for the Inhomogeneous Wave Equation.

7.10 Time Harmonic Fields.

7.11 Electromagnetic Spectrum.

7.12 Electromagnetic Boundary Conditions.

7.13 Particular Solution for the Wave Equation with Inhomogeneous Boundary Conditions.

7.14 Memristors.

7.15 Electric Vector Potential.

APPENDIX A: MEASUREMENT ERRORS.

APPENDIX B: GRAPHICS AND CONFORMAL MAPPING.

APPENDIX C: VECTORS, MATRICEES, ORTHOGONAL FUNCTIONS.

BIBLIOGRAPHY.

Index.

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Paul G. Huray is Professor of Electrical Engineering at the University of South Carolina where he has taught courses in engineering physics, electromagnetics, signal integrity, the mathematical methods of physics, advanced thermodynamics, and computer communications. Professor Huray introduced the first electromagnetics course to focus on signal integrity, and that program has produced more than eighty practicing signal integrity engineers now employed in academia, industry, and government. He earned his PhD in physics at the University of Tennessee in 1968, conducted research in the Solid State, Chemistry and Physics Divisions at the Oak Ridge National Laboratory, and has worked part-time for the Intel Corporation in developing the physical basis for barriers to circuits with bit rates up to 100 GHz. He has also worked at the Centre d'Études Nucléaires de Grenoble, at Technische Universität Wien, and at the White House Office of Science and Technology Policy.
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  • An historical overview of electromagnetic concepts before Maxwell and how we define fundamental units and universal constants today
  • A review of vector analysis and vector operations of scalar, vector, and tensor products
  • Electrostatic fields and the interaction of those fields with dielectric materials and good conductors 
  • A method for solving electrostatic problems through the use of Poisson's and Laplace's equations and Green's function 
  • Electrical resistance and power dissipation; superconductivity from an experimental perspective; and the equation of continuity 
  • An introduction to magnetism from the experimental inverse square of the Biot-Savart law so that Maxwell's magnetic flux equations can be deduced
See More

“This is a very useful and pedagogically well-written book which covers subjects of nonrela-tivistic electro-magnetism
from its initial historical beginnings to modern theoretical concepts and various technological applications.”  (Zentralblatt MATH, 1 December 2012)

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