Decoupling Versus Excluded Volume or Return of the Giant Wormholes - INSPIRE

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Decoupling Versus Excluded Volume or Return of the Giant Wormholes

Joseph Polchinski
(
- Texas U.
)

Mar 31, 1989

12 pages

Published in:

Nucl.Phys.B 325 (1989) 619-630

Published: 1989

DOI:

10.1016/0550-3213(89)90499-9

Report number:

UTTG-06-89

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Abstract: (Elsevier)

A recent analysis by Preskill suggests that small wormholes can crowd out large ones, solving the giant wormhole catastrophe of Kaplunovsky, Fischler, and Susskind but violating decoupling. A study of a simple model of wormholes of different scales shows that decoupling is respected and the KFS catastrophe is still present. An alternative resolution due to Coleman and Lee is also criticized. New classical wormhole solutions, in pure gravity with a Wilsonian cutoff, are found.

QUANTUM GRAVITY
FIELD EQUATIONS: INSTANTON
ASTROPHYSICS: PARTITION FUNCTION
RENORMALIZATION GROUP
APPROXIMATION: semiclassical
EFFECT: WORMHOLE
decoupling
DECOUPLING: COUPLING
FIELD THEORY: BACKGROUND FIELD
Einstein equation

References(14)

Figures(0)

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