A new approach to conformal invariant field theories

See, for example,dual Theory, edited byM. Jacob,Physics Reports, reprint book (Amsterdam, 1974).

For a general review, see:E. S. Abers andB. W. Lee:Phys. Rep. C,9, 1 (1973).

See, for example:G. Mack andA. Salam:Ann. of Phys.,53, 174 (1969);S. Ferrara, R. Gatto andA. F. Grillo (Berlin, 1973).

S. Adler:Phys. Rev. D,6, 3445 (1972).

L. Michel andL. A. Radicati:Ann. Inst. H. Poincaré,18, 185 (1973).

V. de Alfaro, S. Fubini andG. Furlan:Conformal invariance in quantum mechanics, to be published: inNuovo Cimento.

L. Kadanoff andG. Baym:Quantum Statistical Mechanics (New York, N. Y., 1962).

S. Fubini, A. J. Hansen andR. Jackiw:Phys. Rev. D,7, 1732 (1973).

S. Fubini andG. Veneziano:Nuovo Cimento,67 A, 29 (1970).

T. D. Lee andM. Nauenberg:Phys. Rev.,133, B 1549 (1964).

V. de Alfaro andG. Furlan:Spontaneously broken conformal symmetry in the nucleon σ model, to be published.