Newtonian Counterparts of Spin 2 Massless Discontinuities
S. Deser, Bayram Tekin
Abstract
Massive spin 2 theories in flat or cosmological (Λ 0) backgrounds are subject to discontinuities as the masses tend to zero. We show and explain physically why their Newtonian limits do not inherit this behaviour. On the other hand, conventional ``Newtonian cosmology'', where Λ is a constant source of the potential, displays discontinuities: e.g. for any finite range, Λ can be totally removed.
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