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| Preface | |
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| Introduction | |
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| What Makes the World Tick? | |
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| Motion | |
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| Gravitation | |
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| The force field | |
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| Equivalence principle | |
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| Energy | |
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| Momentum | |
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| Least action | |
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| Newton canonized | |
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| The mechanical universe | |
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| Electromagnetism | |
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| Electric field | |
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| Lines of force | |
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| Multipoles | |
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| Scalar potential | |
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| Electric current | |
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| Magnetic field | |
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| Vector potential | |
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| Electromagnetic induction | |
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| Maxwell's equations | |
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| Radiation | |
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| The Vacuum is the Medium | |
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| The ether | |
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| Reference frames | |
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| The light cone | |
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| Lorentz transformation | |
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| Relativity of space and time | |
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| Four vectors | |
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| E - mc[superscript 2] | |
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| Faster than light? | |
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| Maxwell's true form | |
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| The gauge field | |
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| Who wrote these signs | |
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| Lorentz and Einstein | |
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| Let There be Light | |
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| Local gauge invariance | |
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| A creation | |
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| The gauge principle | |
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| Hermann Weyl | |
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| And there was light | |
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| Heroic Age: The Struggle for Quantum Theory | |
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| Alien signals | |
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| Bohr's atom | |
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| Purely imaginary | |
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| Quantum mechanics | |
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| The wave function | |
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| Quantum theory and relativity | |
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| Silly question | |
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| Quantum Reality | |
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| The uncertainty relation | |
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| Wave nature of matter | |
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| Entanglement | |
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| All virtual realities | |
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| The quantum century | |
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| The Waste Lecture | |
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| What is Charge? | |
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| The quantum gauge | |
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| Covariant derivative | |
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| Aharonov-Bohm experiment | |
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| U(1) | |
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| Quantum gauge principle | |
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| Global vs. local gauge invariance | |
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| The Zen of Rotation | |
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| Rotations do not commute | |
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| Hamilton's flash of insight | |
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| Generators of rotation | |
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| Groups | |
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| SU(2): fundamental representation | |
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| The adjoint representation | |
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| Yang-Mills Field: Non-Commuting Charges | |
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| Gauging SU(2) | |
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| Picturing local gauge invariance | |
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| Maxwell generalized | |
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| Gauge photons | |
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| Magnetic charge | |
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| Monopole: the gauge hedgehog | |
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| Into the deep freeze | |
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| Photons Real and Virtual | |
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| Real photons | |
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| Quantum jumps | |
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| Virtual photons | |
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| Creation and Annihilation | |
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| The quantum field | |
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| Particle and antiparticle | |
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| The Dirac equation | |
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| The Dirac sea | |
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| Reversing time | |
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| Feynman diagram | |
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| The fine-structure constant | |
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| The Dynamical Vacuum | |
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| QED | |
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| Interaction vertex | |
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| Self-energy | |
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| Vacuum polarization | |
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| The dressed electron | |
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| The ultraviolet catastrophe | |
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| Reality of vacuum fluctuations | |
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| When physicists were heroes | |
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| The enduring QED | |
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| Elementary Particles | |
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| Beginnings | |
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| Bosons and fermions | |
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| Spin and statistics | |
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| Interactions | |
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| The Fall of Parity | |
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| Dawn of the post-modern era | |
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| Neutrino: a left-handed screw | |
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| CP | |
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| Is nothing sacred? | |
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| The Particle Explosion | |
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| The accelerator boom | |
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| Darkness at noon | |
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| The ontological bootstrap | |
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| The ultimate temperature | |
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| Echos of an era | |
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| Quarks | |
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| Strangeness | |
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| Octet and decaplet | |
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| The eightfold way | |
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| "Three quarks for Muster Mark!" | |
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| Charm and beyond | |
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| Partons | |
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| Charmonium | |
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| Color | |
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| All Interactions are Local | |
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| Yang-Mills awakens | |
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| Unifying electromagnetic and weak interactions | |
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| Generating mass | |
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| Making the photon | |
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| Historical note | |
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| The lepton-quark family | |
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| QCD | |
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| Two more families: who ordered them? | |
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| The standard model | |
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| Broken Symmetry | |
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| What is mass? | |
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| How a magnet gets magnetized | |
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| The order parameter | |
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| The Goldstone mode | |
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| Superconductivity: the photon gets mass | |
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| Historical note | |
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| Quark Confinement | |
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| Monopole confinement | |
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| Electric flux tube | |
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| The QCD string | |
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| Asymptotic freedom | |
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| Hanging Threads of Silk | |
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| Mass | |
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| Chirality | |
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| The pion as Goldstone boson | |
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| PCAC | |
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| The triangle anomaly | |
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| Lepton-quark family structure | |
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| Waiting for closure | |
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| The World in a Grain of Sand | |
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| A matter of scale | |
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| Renormalization | |
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| The running coupling | |
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| Fixed point: theoretical model | |
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| UV fixed point: QCD | |
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| IR fixed point: QED | |
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| Crossover: scientific revolution | |
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| In the Space of All Possible Theories | |
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| The physics is in the cutoff | |
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| The RG trajectory | |
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| The space of Lagrangians | |
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| Of time and temperature | |
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| Tian. Wen | |
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| Tian Wen updated | |
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| Epilogue: Beauty is Truth | |
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| Nobel Prize in Physics | |
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| Annual listing | |
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| Alphabetical listing | |
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| Name Index | |
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| Subject Index | |