Ghost and tachyon free propagation up to spin 3 in Lorentz invariant field theories
نویسندگان
چکیده
We complete the set of spin-projector operators for fields up to rank-3 by providing all connecting sectors with same spin and parity. In this way we can broaden search unitary non-tachyonic particle propagation in quadratic lagrangian inter-field mixing. use properties projector algebra reanalyze known theories shed light towards new healthy ones. do so full control over gauge constraints working form saturated propagator an appropriate frame reference.
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ژورنال
عنوان ژورنال: Physical review
سال: 2022
ISSN: ['0556-2813', '1538-4497', '1089-490X']
DOI: https://doi.org/10.1103/physrevd.105.065017