Lagrange Multiplier Formalism for a Spin 3/2 Field
Dec, 197610 pages
Published in:
- J.Phys.A 10 (1977) 1225
Report number:
- Print-77-0134 (COCHIN)
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Abstract: (IOP)
It is proposed that the method of keeping the subsidiary conditions separate from the equations of motion in a consistent way by means of a Lagrange multiplier may be the solution to the various pathologies afflicting high-spin field theories. The distinct features of this approach are discussed with reference to a massive spin-3/2 field. It is shown that in this formulation there is no causality violation for propagation in an external field and the energy spectrum in a homogeneous magnetic field is real. Quantization is carried out in a Hilbert space with indefinite metric. For minimal electromagnetic interaction a unitary S matrix is constructed by introducing a fictitious particle and an additional vertex.- FIELD THEORY: MASSIVE
- FIELD THEORY: EXTERNAL FIELD
- SPIN: HIGH
- ENERGY SPECTRUM
- QUANTIZATION
- ELECTROMAGNETIC INTERACTION
- S-MATRIX
- UNITARITY
- MATHEMATICAL METHODS
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