Null propagation of partially massless higher spins in (A)dS and cosmological constant speculations

被引:156
作者
Deser, S [1 ]
Waldron, A [1 ]
机构
[1] Brandeis Univ, Dept Phys, Waltham, MA 02454 USA
基金
美国国家科学基金会;
关键词
D O I
10.1016/S0370-2693(01)00756-0
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We show explicitly that all partially and strictly massless fields with spins s less than or equal to 3 in (A)dS have null propagation, Assuming that this property holds also for s > 3, we derive the mass-cosmological constant tunings required to yield all higher spin partially massless theories. As s increases, the unitarily allowed region for massive spins is squeezed around Lambda = 0, so that an infinite tower of massive particles forces vanishing A. We also speculate on the relevance of this result to string theory and supergravity in (A)dS backgrounds. (C) 2001 Published by Elsevier Science B.V.
引用
收藏
页码:137 / 141
页数:5
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