The structure of the gauge theory vacuum |
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| Authors: | C.G. Callan R.F. Dashen D.J. Gross |
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| Affiliation: | Joseph Henry Laboratories, Princeton University, Princeton, New Jersey 08540, USA;Institute for Advanced Study, Princeton, New Jersey 08540, USA;Joseph Henry Laboratories, Princeton University, Princeton, New Jersey 08540, USA |
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| Abstract: | The finite action Euclidean solutions of gauge theories are shown to indicate the existence of tunneling between topologically distinct vacuum configurations. Diagonalization of the Hamiltonian then leads to a continuum of vacua. The construction and properties of these vacua are analyzed. In non-abelian theories of the strong interactions one finds spontaneous symmetry breaking of axial baryon number without the generation of a Goldstone boson, a mechanism for chiral SU(N) symmetry breaking and a possible source of T violation. |
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