Tripartite Entanglement, Svetlichny Inequalities, and Non-inertial Observers

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I discuss the behaviour of bipartite and
tripartite non-locality between fermionic entangled states shared by observers,
one of whom uniformly accelerates. Although fermionic entanglement persists for
arbitrarily large acceleration, the Bell/CHSH inequalities cannot be violated
for sufficiently large but finite acceleration. However the Svetlichny
inequality, which is a measure of genuine tripartite non-locality, can be violated
for any finite value of the acceleration.