Murray Gell-Mann : selected papers

CONTENTS......Page 12
Murray Gell-Mann......Page 8
Commentary Notes......Page 16
1. The Garden of Live Flowers, in Physics and Society: Essays in Honor of Victor Frederick Weisskopf (Springer-Verlag, 1998) pp. 109-121......Page 40
2. Strangeness, J. de Physique C8 (1982) 395-408......Page 53
1. INTRODUCTION......Page 67
2. REPRESENTATIONS OF THE PROPAGATION FUNCTIONS......Page 68
3. EXAMPLE: QUANTUM ELECTRODYNAMICS WITHOUT PHOTON SELF-ENERGY PARTS......Page 70
4. WARD\'S METHOD\' USED AS A CUTOFF\"......Page 71
5. ASYMPTOTIC BEHAVIOR OF THE PROPAGATION FUNCTIONS IN QUANTUM ELECTRODYNAMICS......Page 74
APPENDIX A. CONSTRUCTION OF PARAMETRIC REPRESENTATIONS FOR THE PROPAGATION FUNCTIONS......Page 75
APPENDIX B. SOLUTION OF THE FUNCTIONAL EQUATIONS\"......Page 78
4. Behavior of Neutral Particles under Charge Conjugation (with A. Pais), Phys. Rev. 97 (1955) 1387-1389......Page 80
5. Sixth Annual Rochester Conference, 1956: Field Theory on the Mass Shell......Page 83
The Nature of the Weak Interaction......Page 87
6. Theory of the Fermi Interaction (with R. P. Feynman) , Phys. Rev. 109 (1958) 193-198......Page 90
ACKNOWLEDGMENTS......Page 95
7. The Eightfold Way: A Theory of Strong Interaction Symmetry, in The Eightfold Way, eds. M Gell-Mann and Y. Ne\'eman (W. A. Benjamin, 1964), pp. 11-57......Page 96
II The \"Leptons\" as a Model for Unitary Symmetry......Page 103
III Mathematical Description of the Baryons......Page 108
IV Pseudoscalar Mesons......Page 113
V Vector Mesons......Page 118
VI Weak Interactions......Page 123
VII Properties of the New Mesons......Page 125
VIII Violations of Unitary Symmetry......Page 130
IX Acknowledgments......Page 133
REFERENCES......Page 141
I. INTRODUCTION......Page 143
II. MESONS AND CURRENTS......Page 144
III. EQUAL-TIME COMMUTATION RELATIONS......Page 146
IV. SYMMETRICAL SAKATA MODEL AND UNITARY SYMMETRY......Page 149
V. VECTOR AND AXIAL VECTOR CURRENTS......Page 151
VI. BROKEN SYMMETRY-MESON SUPERMULTIPLETS......Page 153
VIII. THE \"EIGHTFOLD WAY\"......Page 155
IX. REMARKS AND SUGGESTIONS......Page 156
APPENDIX......Page 159
9. Prediction of the  - Particle, from 1962 Int. Conf. on High Energy Physics, p. 805......Page 161
10. Elementary Particles of Conventional Field Theory as Regge Poles (with M. L. Goldberger), Phys. Rev. Lett. 9 (1962) 275-277 (with Errata)......Page 162
11. A Schematic Model of Baryons and Mesons, Phys. Lett. 8 (1964) 214-215......Page 166
12. Current Topics in Particle Physics, in Proceedings of the XIII Int. Conf. on High-Energy Physics (Univ. California Press, 1967) pp. 3-9......Page 168
I. INTRODUCTION......Page 175
II. TRANSFORMATION PROPERTIES OF CURRENT DIVERGENCES......Page 176
III. APPLICATIONS......Page 177
ACKNOWLEDGMENT......Page 179
1. INTRODUCTION......Page 180
2. DILATION OPERATOR AND BROKEN SCALE INVARIANCE......Page 183
3. LIGHT CONE COMMUTATORS AND DEEP INELASTIC ELECTRON SCATTERING......Page 187
4. GENERALIZED LIGHT CONE SCALING AND BROKEN SCALE INV ARIANCE......Page 191
5. BILOCAL OPERATORS......Page 197
6. LIGHT CONE ALGEBRA ABSTRACTED FROM A QUARK PICTURE......Page 199
7. LIGHT CONE ALGEBRA AND DEEP INELASTIC SCATTERING......Page 203
8. CONCLUDING REMARKS......Page 209
ACKNOWLEDGEMENTS......Page 212
REFERENCES......Page 213
1. INTRODUCTION......Page 214
2. LIGHT·CONE ALGEBRA......Page 218
3. STATISTICS AND ALTERNATIVE SCHEMES......Page 220
4. DERIVATION OF THE \'TT° 2y AMPLITUDE IN THE PCAC APPROXIMATION......Page 222
1. ACKNOWLEDGMENTS......Page 225
REFERENCES......Page 226
16. Quarks, Acta Physica Austriaca, Suppl. IX (1972) 733-761......Page 227
17. Current Algebra: Quarks and What Else? (with H. Fritzsch) , in Proc. of the XVI Int. Conf. on High Energy Physics, eds. J. D. Jackson and A. Roberts......Page 256
I. Introduction......Page 257
II. FICTITIOUS QUARKS AND \"GLUONS\" AND THEIR STATISTICS......Page 258
III. REVIEW OF CURRENT ALGEBRA......Page 260
IV. SUMMARY OF LIGHT CONE AND NULL PLANE RESULTS......Page 262
V. THE FURTHER EXTENSION OF NULL PLANE ALGEBRA......Page 266
VI. ARE THERE ALTERNATIVE MODELS?......Page 271
APPENDIX - BILOCAL FORM FACTOR ALGEBRA......Page 274
18. Advantages of the Color Octet Gluon Picture (with H. Fritzsch and H. Leutwyler) , Phys. Lett. 47B (1973) 365-368......Page 277
References......Page 280
19. Complex Spinors and Unified Theories (with P. Ramond and R. Slansky) , in Super gravity, eds. P. van Nieuwenhuizen and D. Z. Freedman (North-Holland, 1979), pp. 315-321......Page 281
20. Particle Theory: From S-Matrix to Quarks, in Symmetries in Physics (1600-1980), eds. M. G. Doncel, A. Hermann, L. Michel and A. Pais (Universitat Autonoma de Barcelona), pp. 474-497......Page 288
1. The renormalization group and the possible failure of old-fashioned field theory......Page 290
2. Dispersion relations and the «S-matrix» program......Page 293
3. Hadron approximate symmetries and Yang-Mills theories for the electro-weak and strong interactions......Page 297
4. Quarks......Page 307
21. Remarks Given at the Celebration of Victor Weisskopf\'s 80th Birthday......Page 312
§1. Quantum Cosmology......Page 318
§2. Probability......Page 319
§3. Historical Remarks......Page 320
§4. Decoherent Sets of Histories......Page 321
§5. The Origins of Decoherence......Page 328
§7. Maximal Sets of Decohering Histories......Page 330
§8. Classicity......Page 332
§10. Branch Dependence......Page 333
§11. Measurement Situations......Page 334
§12. Complex Adaptive Systems......Page 335
§13. Conclusions......Page 336
References......Page 337
23. Dick Feynman - The Guy in the Office Down the Hall, Phys. Today (February 1989) 50-54......Page 341
Summing over histories......Page 342
Seeking rules for quantum gravity......Page 343
Quantum cosmology......Page 344
References......Page 345
22.1 Introduction......Page 346
22.2 The Arrow of Time in Quantum Mechanics......Page 349
22.3 A Time-Neutral Formulation of Quantum Mechanics for Cosmology......Page 352
22.4.1 A Simple Statistical Model......Page 353
22.4.2 Classical Dynamical Systems with Two- Time Statistical Boundary Conditions......Page 358
22.4.3 Electromagnetic Radiation......Page 361
22.5.1 CPT-and T -Symmetric Boundary Conditions......Page 362
22.5.2 T Violation ill the Weak Interactions......Page 364
22.6 The Limitations of Decoherence and Classicality......Page 367
22.6.1 Decoherence......Page 368
22.6.2 Impossibility of a Universe with Pt = Pi.......Page 369
22.6.3 Classicality......Page 370
22.7 Conclusions......Page 371
Acknowledgments......Page 372
References......Page 373
25. Progress in Elementary Particle Theory, 1950-1964, in Pions to Quarks, pp. 694-711......Page 375
26. Nature Conformable to Herself, Complexity (1996) 9-12......Page 393
27. Quarks, Color, and QCD, in The Rise of the Standard Model, eds. L. Hoddeson, L. Brown, M. Riordan and M. Dresden (Cambridge Univ. Press, 1997), pp. 625-633......Page 397
28. Effective Complexity (with S. Lloyd), in Nonextensive Entropy - Interdisciplinary Applications, eds. M. Gell-Mann and C. Tsallis (Oxford Univ. Press, 2004) 387-398......Page 406
ACKNOWLEDGMENTS......Page 416
REFERENCES......Page 417
29. Asymptotically Scale-Invariant Occupancy of Phase Space Makes the Entropy Sq Extensive (with C. Tsallis and Y. Sato) , PNAS 102 (2005) 15377- 15382......Page 418
I. INTRODUCTION......Page 424
II. THE QUANTUM MECHANICS OF A CLOSED SYSTEM......Page 425
III. INESCAPABLE COARSE GRAINING......Page 427
IV. COMMENTS ON REALMS......Page 428
A. Quasiclassical variables......Page 429
B. Classical equations for expected values......Page 430
VI. INFORMATION AND ENTROPY......Page 432
VII. THE SECOND LAW OF THERMODYNAMICS......Page 434
VIII. CONCLUSIONS AND COMMENTS......Page 435
APPENDIX A: TRIVIAL DECOHERENCE OF PERFECTLY FINE-GRAINED SETS OF HISTORIES......Page 436
31. Progress in Elementary Particle Theory, 1946- 1973......Page 440