Phys. Rev. D 16, 417–422 (1977)Massless excitations in pseudoparticle fieldsReceived 25 March 1977; published in the issue dated 15 July 1977 A simple relation is derived which specifies the number of massless excitations of a Dirac field of any isospin in the field of an arbitrary configuration of pseudoparticles. The small fluctuations of the pseudoparticle field are related to those of a Dirac field with unit isospin, proving that a pseudoparticle field with winding number ±n has 8n independent modes of small oscillations. Thus, a general configuration of n pseudoparticles or antipseudoparticles should be characterized by 8n parameters. © 1977 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevD.16.417
DOI:
10.1103/PhysRevD.16.417
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