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GOLDSTONE 1961B
Goldstone, J.; Salam, A.; Weinberg, S.;
Broken Symmetries
Phys. Rev. 127 (1962) 965;
Reprinted in
Selected papers of Abdus Salam, editor A. Ali et al., p. 204-209..
Gauge theory of weak and electromagnetic interactions, eidtor C. H. Lai, p. 113-123.
Abstracts
Some proofs are presented of Goldstone's conjecture, that if there is continuous symmetry transformation under which the Lagrangian is invariant, then either the vacuum state is also invariant under the transformation, or there must exist spinless particles of zero mass.
Related references
More (earlier) information appears in
J. Goldstone, Nuovo Cim. 19 (1961) 154;
Analyse data from
H. Lehmann, Nuovo Cim. 11 (1954) 342;
A. Salam and J. C. Ward, Phys. Rev. Lett. 5 (1960) 512;
Y. Nambu and G. Jona-Lasinio, Phys. Rev. 122 (1961) 345;
W. Heisenberg, Zeit. Naturforschung 14 (1959) 441;
