A Quantum Legacy: Seminal Papers Of Julian Schwinger

Contents
PREFACE
Introduction
	A Brief Life of Schwinger
	Quantum Electrodynamics
	Covariant Quantum Electrodynamics
	Quantum Action Principle
	Field Theory
	Measurement Algebra
	Electroweak Synthesis
	The Nobel Prize and Reaction
	Source Theory and UCLA
	Thomas-Fermi Atom, Cold Fusion, and Sonoluminescence
	Conclusion
	References
Quantum Electrodynamics
	References
ON THE INTERACTION OF SEVERAL ELECTRONS
Quantum Electrodynamics . I. A Covariant Formulation
	INTRODUCTION
	1. COVARIANCE IN THE HEISENBERG REPRESENTATION
	2. THE INTERACTION REPRESENTATION
	3. COVARIANT ELIMINATION OF THE LONGITUDINAL FIELD
	4. THE INVARIANT COLLISION OPERATOR
Quantum Electrodynamics. II. Vacuum Polarization and Self-Energy
	1. DEFINITION OF THE VACUUM
	2. THE POLARIZATION OF THE VACUUM
	3. THE SELF-ENERGY OF THE ELECTRON
	APPENDIX
Quantum Electrodynamics. III. The Electromagnetic Properties of the Electron --- Radiative Corrections to Scattering
	1. SECOND-ORDER CORRECTIONS TO THE CURRENT OPERATOR
	2. RADIATIVE CORRECTIONS TO ELECTRON SCATTERING
	APPENDIX
On Gauge Invariance and Vacuum Polarization
	I. INTRODUCTION
	II. GENERAL THEORY
	III. CONSTANT FIELDS
	IV. PLANE WAVE FIELDS
	V. Υ-DECAY OF NEUTRAL MESONS
	VI. PERTURBATION THEORY
	APPENDIX A
	APPENDIX B
The Theory of Quantized Fields. I
	I. INTRODUCTION
	II. QUANTUM DYNAMICS OF LOCALIZABLE FIELDS
	III. TIME REFLECTION
The Theory of Quantized Fields. II
	THE DYNAMICAL PRINCIPLE
	CHARGED FIELDS
	THE ELECTROMAGNETIC FIELD
Spin and Angular Momentum
	References
On Nonadiabatic Processes in Inhomogeneous Fields
	THE GUTTINGER EQUATIONS
	SOLUTION OF THE EIGENSTATE EQUATION
	THE PRECESSING FIELD
ON ANGULAR MOMENTUM
	1. INTRODUCTION
	2. ROTATIONS
	3. ADDITION OF TWO ANGULAR MOMENTA
	4. THREE AND FOUR ANGULAR MOMENTA
	5. TENSOR OPERATORS
	APPENDIX A
	APPENDIX B
	APPENDIX C
THE MAJORANA FORMULA
	References
	APPENDIX I
		A NOTE ON GROUP THEORY AND QUANTUM MECHANICS
		Introduction
		Majorana's Theorem
	APPENDIX 2
		THE MAJORANA FORMULAS
Nuclear Physics
	References
LETTERS TO THE EDITOR
	On the Spin of the Neutron
On the Charged Scalar Mesotron Field
	General theory
	Mesotron scattering
	Classical theory
Variational Principles for Scattering Processes. I
	I. INTRODUCTION
	II. TIME-DEPENDENT SCATTERING THEORY
	III. NEUTRON SCATTERING BY A BOUND PROTON
Classical Electrodynamics, Diffraction, and Synchrotron Radiation
	References
On Radiation by Electrons in a Betatron
	Transcription notes
	References
On the Classical Radiation of Accelerated Electrons
	I. GENERAL FORMULAS
	II. HIGH FREQUENCY RADIATION BY ENERGETIC ELECTRONS
	III. RADIATION BY AN ELECTRON IN UNIFORM CIRCULAR MOTION
On the Radiation of Sound from an Unflanged Circular Pipe
	I. INTRODUCTION
	II. STATEMENT OF THE PROBLEM AND RESULTS
	III. DESCRIPTION OF PHYSICAL QUANTITIES
	IV. INTEGRAL EQUATION FORMULATION
	V. FOURIER TRANSFORM SOLUTION OF THE INTEGRAL EQUATION
	VI. EVALUATION OF PHYSICAL QUANTITIES
	VII. APPROXIMATION FORMULAS AND METHODS
	ACKNOWLEDGMENT
	APPENDIX A
	APPENDIX B
On the Theory of Diffraction by an Aperture in an Infinite Plane Screen. I
	1. INTRODUCTION
	2. INTEGRAL EQUATION FORMULATION FOR AN APERTURE OF ARBITRARY OPENING
	3. VARIATIONAL PRINCIPLE FOR DIFFRACTED WAVE AMPLITUDE
	4. DIFFRACTION BY A CIRCULAR APERTURE
	APPENDIX 1
	APPENDIX 2
Quantum Field Theory
	References
SPIN, STATISTICS, AND THE TCP THEOREM
FOUR-DIMENSIONAL EUCLIDEAN FORMULATION OF QUANTUM FIELD THEORY
	LIST OF REFERENCES
	DISCUSSION
FIELD THEORY COMMUTATORS
Non-Abelian Gauge Fields. Lorentz Gauge Formulation
	LORENTZ GAUGE
	RADIATION GAUGE
	AXIAL GAUGE
Quantized Gravitational Field
	INTRODUCTION
	ACTION PRINCIPLE
	TIME GAUGE
	MATTER FIELD
	COORDINATE CONDITIONS
Many Body Theory
	References
Theory of Many-Particle Systems. I
	I. INTRODUCTION
	II. MACROSCOPIC PROPERTIES. DENSITY OF STATES
	III. MICROSCOPIC PROPERTIES. THE GREEN'S FUNCTIONS
	IV. TWO-PARTICLE GREEN 'S FUNCTIONS. ELECTROMAGNETIC PROPERTIES
	V. DETERMINATION OF THE GREEN'S FUNCTIONS
	VI. FORMAL SOLUTIONS. OTHER APPROXIMATIONS
Quantum Mechanics
	References
THE GEOMETRY OF QUANTUM STATES
UNITARY OPERATOR BASES
UNITARY TRANSFORMATIONS AND THE ACTION PRINCIPLE
QUANTUM VARIABLES AND THE ACTION PRINCIPLE
Is Spin Coherence Like Humpty-Dumpty? I. Simplified Treatment
	1. INTRODUCTION
	2. MODELING THE SGA
	3. SPIN COHERENCE
	4. ACCURACY REQUIRED IN CONTROLLING THE FIELDS
	5. DISCUSSION
	ACKNOWLEDGMENTS
	REFERENCES
Importance of Research
	References
The Future of Fundamental Physics
Physics in the Future - A View from the Past
	Acknowledgement
Magnetic Charge
	References
Magnetic Charge and Quantum Field Theory
Nonrelativistic Dyon-Dyon Scattering
	I. INTRODUCTION
	II. CLASSICAL THEORY
		A. Charged Particle-Monopole Scattering
		B. Dyon-Dyon Scattering
	III. QUANTUM THEORY
		A. Small Angle Scattering
		B. Semiclassical Limit
	IV. DIPOLE MOMENT MODIFICATION
	V. NUMERICAL METHODS AND RESULTS
		A. Charged Particle-Monopole Scattering
		B. Dyon-Dyon Scattering
		C. Effects of the Dipole Moment
	VI. CONCLUSIONS
	APPENDIX A: POTENTIALS
	APPENDIX B: PROPERTIES OF ROTATION MATRICES
	ACKNOWLEDGMENTS
	REFERENCES
Source Theory
	References
Sources and Electrodynamics
	INTRODUCTION
	PHOTON AND ELECTRON SOURCES
	PRIMITIVE PARTICLE INTERACTION
	INTERACTION SKELETON
	TWO-PARTICLE EXCHANGE
	REPEATED TWO-PARTICLE EXCHANGE
Sources and Gravitons
	INTRODUCTION
	THE PHOTON REVIEWED
	GRAVITONS
	NEWTON AND EINSTEIN
	GRAVITATIONAL FIELD
	GENERAL COORDINATE INVARIANCE
	MULTIPARTICLE EXCHANGE
	SPECULATIVE REMARKS
Precession Tests of General Relativity---Source Theory Derivations
Spin Precession---A Dynamical Discussion
Deep Inelastic Scattering
	References
DEEP INELASTIC SCATTERING OF POLARIZED ELECTRONS - A DISSIDENT VIEW
	ABSTRACT
	INTRODUCTION
	RESULTS
	THEORY
	REFERENCES
	DISCUSSION
Casimir Effect
	References
Casimir Effect in Dielectrics
	1. INTRODUCTION
	2. CASIMIR EFFECT BETWEEN DIELECTRICS
		A. Method of Energy Variation
		B. Stress Tensor Method
	3. APPLICATIONS
		A. Conductors
		B. Van der Waals Force
		C. Interaction between a Molecule and a Dielectric Plate
	4. SURFACE TENSION
	5. CONCLUSIONS
	APPENDIX: GREEN'S FUNCTION FOR POTENTIAL
	ACKNOWLEDGMENT
	REFERENCES
Casimir Effect in Source Theory II
	References
Casimir Effect in Source Theory III
	References
Casimir light: A glimpse
Supersymmetry
	References
Multispinor Basis of Fermi-Bose Transformations
	REVIEW
		Sources
		Fields
		Zero Mass
	MULTISPINOR INVARIANCE TRANSFORMATIONS
		Two Massive Particles
		Intrinsic Parity
		Massless Particles
		More Than Two Particles
	CONTACT TERMS
		Spins 0 and ½
		Second-Rank Spinors
		Spins ½ and 1, 0
		Unit Helicity
		Unit Helicity and Spin ½
		Third-Rank Spinor
		Spins 3/2- and 1
	OTHER REPRESENTATIONS
		Photon and spin ½
		Spin I and Spin ½
		Spin 0 and Spin ½
	UNIT SPIN TRANSFORMATIONS
		Spins 0 and 1
		Unit Helicity
		Graviton and Photon
		Spins 3/2 and ½
		Helicities 3/2 and ½
	MORE ABOUT SPIN (HELICITY) 3/2
		Spins 3/2 and 1
		Helicities 3/2 and 1
		Graviton and Helicity 3/2
	GROUP PROPERTIES
		Helicities ½ n and ½ (n + 1)
		Spins ½n and ½ (n + 1)
		Four Massive Particles
		Photon and Spin ½
		Spins (Helicities) 0 and 1
		Integer Helicity Multiplets
		Unit Spin Transformations and Rotation Groups
	CODA
		Photon and Spin ½ Particle
		Electrodynamics
	ACKNOWLEDGMENTS
	REFERENCES
Statistical Atom
	References
Thomas-Fermi model: The leading correction
	INTRODUCTION
	QUALITATIVE ARGUMENT
	QUANTITATIVE DERIVATION
	DISCUSSION
	RELATIVISTIC CORRECTIONS
Thomas-Fermi model: The second correction
	INTRODUCTION
	EXCHANGE
	QUANTUM CORRECTION
	DISCUSSION
Appendix