Phys. Rev. Lett. 82, 4971–4974 (1999)Effective Field Theory, Black Holes, and the Cosmological ConstantReceived 25 March 1998; revised 31 March 1999; published in the issue dated 21 June 1999 Bekenstein has proposed the bound S≤πMP2L2 on the total entropy S in a volume L3. This nonextensive 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. © 1999 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.82.4971
DOI:
10.1103/PhysRevLett.82.4971
PACS:
11.10.Cd, 04.70.Dy, 13.40.Em, 98.80.Cq
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