Coupling of Tachyons to Electromagnetism |
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Authors: | C G Bollini L E Oxman M C Rocca |
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Abstract: | We consider a fourth-order equation implying abradyonic and a tachyonic mode of propagation for ascalar field. The electromagnetic field is introducedvia the gauge covariant derivative. We show that the interacting fourth-order equation isequivalent to a second-order Klein-Gordon equation alsominimally coupled, with the tachyon living in closedloops connected only to photon lines. The equivalence shows that the fourth-order theory isrenormalizable and unitary. |
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