Multipartite separability inequalities exponentially stronger than local reality inequalities.
I show that separability of N-partite quantum states implies new inequalities on Bell correlations which are stronger than the corresponding Mermin-Roy-Singh local reality inequalities by a factor of 2((N-1)/2).
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Department of Theoretical Physics, Tata Institute of Fundamental Research, Homi Bhabha Road, Colaba, Mumbai 400005, India. shasanka@theory.tifr.res.in