Can a Lattice String Have a Vanishing Cosmological Constant?

Details Can a Lattice String Have a Vanishing Cosmological Constant? Can a Lattice String Have a Vanishing Cosmological Constant?

1992-01-14

arxiv.org/abs/hep-th/9201028v2

Phys.Rev. D46 (1992) 1710-1720

Physics

High Energy Physics

High Energy Physics - Theory

14 pages

Scientific paper

10.1103/PhysRevD.46.1710

We prove that a class of one-loop partition functions found by Dienes, giving rise to a vanishing cosmological constant to one-loop, cannot be realized by a consistent lattice string. The construction of non-supersymmetric string with a vanishing cosmological constant therefore remains as elusive as ever. We also discuss a new test that any one-loop partition function for a lattice string must satisfy.

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