Effective Field Theory, Black Holes, and the Cosmological Constant

Details Effective Field Theory, Black Holes, and the Cosmological Constant Effective Field Theory, Black Holes, and the Cosmological Constant

1998-03-17

arxiv.org/abs/hep-th/9803132v2

Phys.Rev.Lett.82:4971-4974,1999

Physics

High Energy Physics

High Energy Physics - Theory

5 pages, no figures minor clarifications, refs added

Scientific paper

10.1103/PhysRevLett.82.4971

Bekenstein has proposed the bound S < pi M_P^2 L^2 on the total entropy S in a volume L^3. This non-extensive scaling suggests that quantum field theory breaks down in large volume. To reconcile this breakdown with the success of local quantum field theory in describing observed particle phenomenology, we propose a relationship between UV and IR cutoffs such that an effective field theory should be a good description of Nature. We discuss implications for the cosmological constant problem. We find a limitation on the accuracy which can be achieved by conventional effective field theory: for example, the minimal correction to (g-2) for the electron from the constrained IR and UV cutoffs is larger than the contribution from the top quark.

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