The U(1) Problem: Instantons, Axions, and Familons
The U(1) problem began as a rather obscure difficulty in current algebra, but over time it has stimulated some remarkable theoretical ideas which may even in a quite literal sense describe the bulk of the Universe!
KeywordsChiral Symmetry Goldstone Boson Pseudoscalar Meson Higgs Field Family Symmetry
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- 1.Many of the original papers appear in S. Adler and R. Dashen, “Current Algebras,” Benjamin, New York (1969). A good pedagogical review is S. Treiman in “Lectures on Current Algebra and Its Applications,” Princeton University Press (1972).Google Scholar
- 2.Important treatments of current algebra emphasizing this point of view are S. Weinberg, 1970 Brandeis lectures, MIT Press (1971)Google Scholar
- 4.S. Coleman, Erice lectures (1977).Google Scholar
- 5.For reviews of the triangle anomaly, see especially S. Adler, 1970 Brandeis lectures, MIT Press (1971); R. Jackiw in “Current Algebra and Its Applications,” Princeton University Press (1972).Google Scholar
- 8.C. Callan, R. Dashen, and D. Gross, Phys. Lett. 363: 334 (1976)Google Scholar
- 11.R. Peccei and H. Quinn, Phys. Rev. D 16: 1791 (1977).Google Scholar
- 15.D. Gross, S. Treiman, and F. Wilczek, Phys. Rev. D 19: 2188 (1979).Google Scholar
- 16.T. Donnelly, S. Freedman, R. Lytel, R. Peccei, and M. Schwartz, Phys. Rev. D 18: 1607 (1978).Google Scholar
- 17.D. Dicus, E. Kolb, V. Teplitz, and R. Wagoner, Phys. Rev. D 18: 1829 (1978).Google Scholar
- 19.J. Moody and F. Wilczek, “New Macroscopic Forces?” ITP preprint (1983).Google Scholar
- 25.R. Pisarski and F. Wilczek, “Remarks on the Chiral Phase Transition in Quantum Chromodynamics,” ITP preprint, to appear in Phys. Rev. D (1984).Google Scholar