New Properties of Matter in (A)dS and their Consequences

dc.creatorDeser, S.
dc.date2002-01-25
dc.date.accessioned2026-07-07T11:46:18Z
dc.date.available2026-07-07T11:46:18Z
dc.descriptionI review briefly, primarily for relativists, a series of recent results, obtained with A. Waldron, on the novel behavior of massive higher (s>1) spin systems in constant curvature backgrounds. We find that the cosmological constant Lambda, together with the mass parameter, define a "phase plane" in which partially massless gauge invariant lines separate allowed regions from forbidden, non-unitary, ones. These lines represent short multiplet systems, with missing lower helicities, removed by novel local gauge invariances, and (despite having nonvanishing m) propagating on the light cone. In the limit of an infinite tower of these higher spin bosons and fermions, unitarity requires Lambda to vanish.
dc.descriptionInvited Lecture, Journees Relativistes, Dublin, 2001, 5 pages, 1 figure
dc.identifierhttps://arxiv.org/abs/gr-qc/0201085
dc.identifierhttp://arxiv.org/abs/gr-qc/0201085
dc.identifierInt.J.Mod.Phys.A17:2661-2666,2002
dc.identifierdoi:10.1142/S0217751X02011576
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/202179
dc.subjectGeneral Relativity and Quantum Cosmology
dc.subjectHigh Energy Physics - Theory
dc.titleNew Properties of Matter in (A)dS and their Consequences
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