Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleHAAG'S THEOREM IN THE THEORIES WITH NONPHYSICAL PARTICLES.AuthorsANTIPIN, K. V.; MNATSAKANOVA, M. N.; VERNOV, YU. S.AbstractHaag's theorem is extended to the case of regular representations of the canonical commutation relations in a nondegenerate indefinite inner product space.SubjectsPARTICLES (Nuclear physics); QUANTUM field theory; COMMUTATION relations (Quantum mechanics); NON-degenerate perturbation theory; INDEFINITE inner product spaces; KREIN spacesPublicationInternational Journal of Modern Physics A: Particles & Fields; Gravitation; Cosmology; Nuclear Physics, 2013, Vol 28, Issue 17, p-1ISSN0217-751XPublication typeArticleDOI10.1142/S0217751X13500760