## Classical ElectrodynamicsThis text for the graduate classical electrodynamics course was left unfinished upon Julian Schwinger's death in 1994, but was completed by his coauthors, who have brilliantly recreated the excitement of Schwinger's novel approach. "Classical Electrodynamics" captures Schwinger's inimitable lecturing style, in which everything flows inexorably from what has gone before. An essential resource for both physicists and their students, the book includes a "Reader's Guide," which describes the major themes in each chapter, suggests a possible path through the book, and identifies topics for inclusion in, and exclusion from, a given course, depending on the instructor's preference. Carefully constructed problems complement the material of the text, and introduce new topics. The book will be of great value to all physicists, from first-year graduate students to senior researchers, and to all those interested in electrodynamics, field theory, and mathematical physics. |

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理论层次高于Jackson，但清晰精辟得多

### Contents

17 | |

Macroscopic Electrodynamics | 33 |

Simple Model for Constitutive Relations | 45 |

Magnetic Properties of Matter | 63 |

temperature The solid curves are the plots of the right side | 71 |

Macroscopic Energy and Momentum | 75 |

Review of Action Principles | 85 |

Action Principle for Electrodynamics | 97 |

Macroscopic Current Distributions | 319 |

Magnetic Multipoles | 325 |

Magnetic Scalar Potential | 331 |

Magnetic Charge II | 337 |

RadiationField Point of View | 351 |

RadiationSource Point of View | 361 |

Models of Antennas | 367 |

Spectral Distribution of Radiation | 375 |

Einsteinian Relativity | 111 |

Stationary Principles for Electrostatics | 125 |

Introduction to Greens Functions | 137 |

Electrostatics in Free Space | 141 |

SemiInfinite Dielectric | 147 |

Application of Greens Function | 157 |

Bessel Functions | 165 |

Parallel Conducting Plate | 177 |

Modified Bessel Functions | 193 |

Cylindrical Conductors | 205 |

Spherical Harmonics | 231 |

Coulombs Potential | 243 |

Multipoles | 257 |

Conducting and Dielectric Spheres | 265 |

Dielectrics and Conductors | 283 |

Modes and Variations | 295 |

Magnetostatics | 313 |

Power Spectrum and fierenkov Radiation | 385 |

Constant Acceleration and Impulse | 391 |

Synchrotron Radiation I | 401 |

Synchrotron Radiation IIPolarization | 413 |

Propagation in a Dielectric Medium | 427 |

Reflection by an Imperfect Conductor | 445 |

Waveguides | 459 |

Scattering by Small Obstacles | 471 |

PartialWave Analysis of Scattering | 479 |

Diffraction I | 491 |

Diffraction II | 509 |

Babinets Principle | 523 |

Dispersion Relations for the Susceptibility | 539 |

Charged Particle Energy Loss | 545 |

A Units | 555 |

### Other editions - View all

Classical Electrodynamics Julian Schwinger,Lester L. Deraad Jr.,Kimball Milton,Wu-yang Tsai Limited preview - 1998 |

### Common terms and phrases

acceleration angle angular antenna approximation asymptotic atom Bessel functions bound boundary condition calculate charge density charge distribution charged particle coefficients component conductor consider contribution coordinate corresponding cross section current density cylindrical defined delta function derivative dielectric constant differential equation diffraction dipole direction displacement eigenvalue electric and magnetic electric field electromagnetic electron electrostatics energy radiated evaluate expression factor finite force Fourier transform frequency gauge given Green's function Hamiltonian image charge implies infinitesimal interaction invariant J(dr Lagrangian Laplace's equation Larmor formula limit Lorentz macroscopic magnetic charge magnetic field Maxwell's equations medium momentum obtain plane point charge polarization polynomial power radiated Problems for Chapter produced radiated power radius region relation result satisfies scalar scattering Show sinh solution sphere spherical harmonics static stationary surface charge surface integral synchrotron radiation theorem unit point charge vacuum vanishes variation vector potential velocity wave zero

### Popular passages

Page 320 - If the thumb of the right hand points in the direction of the current, the other fingers point in the direction of the magnetic field.

Page 447 - LIBRARY the surface is assumed to be free of small-scale roughness, ie, the radius of curvature of the surface is much larger than the wavelength of the incident radiation.

Page 399 - there is no formation of a wave zone nor any corresponding radiation." But he also said parenthetically that radiation does occur when two uniform, rectilinear motions are connected by a "portion

Page 401 - Since the force is always perpendicular to the direction of motion no work is done upon the charge and its speed is unaltered ; only the direction of its motion is changed.

Page 86 - BAF is stationary, ie, 6S = 0, for variations about correct path, provided the initial and final configurations are held fixed. On the other hand, if we permit infinitesimal changes of the trajectories xl(t) at the initial and final times, including alterations of those times, the only contribution to 6S comes from the endpoint variations, or 6S = G(t2)—G(t1).

Page 209 - The trilinear coordinates of a point are the perpendicular distances from the origin to the three lines, drawn through the point, parallel to the sides of the triangle. A coordinate is negative if the associated line lies between the origin and the related side.

Page 19 - The first theoretical calculation of the motion of a charged particle in the presence of a single magnetic pole was performed by Poincare in 1896 to explain recent observations.

Page 66 - The second term in (6.24) involves the intrinsic magnetic moment of the atom, f*0, defined by ."*. (6'25) when ra is the position of the ath particle relative to the center of mass of the atom.

Page 208 - Fig, 19,3; a is the common length of the sides, the length of the perpendicular from any apex to the opposite side is...

Page 561 - JD Jackson, Classical Electrodynamics, John Wiley and Sons, New York, 2nd Edition, 1975.