We show that in D=4 AdS, s≥3/2 partially massless (PM) fermions retain the duality invariances of their flat space massless counterparts. They have tuned ratios m2/M2≠0 that turn them into sums of effectively massless unconstrained helicity +/-(s,...,3/2) excitations, shorn of the lowest (non-dual) helicity +/-1/2 -rung and — more generally — of succeeding higher rung as well. Each helicity mode is separately duality invariant, like its flat space counterpart.
Duality invariance of s≥3/2 fermions in AdS / S. Deser; D. Seminara. - In: PHYSICS LETTERS. SECTION B. - ISSN 0370-2693. - STAMPA. - 738:(2014), pp. 323-324. [10.1016/j.physletb.2014.09.058]
Duality invariance of s≥3/2 fermions in AdS
SEMINARA, DOMENICO
2014
Abstract
We show that in D=4 AdS, s≥3/2 partially massless (PM) fermions retain the duality invariances of their flat space massless counterparts. They have tuned ratios m2/M2≠0 that turn them into sums of effectively massless unconstrained helicity +/-(s,...,3/2) excitations, shorn of the lowest (non-dual) helicity +/-1/2 -rung and — more generally — of succeeding higher rung as well. Each helicity mode is separately duality invariant, like its flat space counterpart.
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