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Effective Field Equations for Fermionic Strings

Ho-Seong La
(
- Boston U.
)
,
Philip C. Nelson
(
- Pennsylvania U.
)

May, 1989

48 pages

Published in:

Nucl.Phys.B 332 (1990) 83-130

Published: 1990

DOI:

10.1016/0550-3213(90)90031-8

Report number:

BUHEP-89-9,
UPR-0391T

View in:

AMS MathSciNet

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Abstract: (Elsevier)

We show how to obtain loop-corrected effective field equations in tachyon-free heterotic string theories. The corrections are automatically gauge-invariant; they simultaneously secure Brst -decoupling and unambiguous loop amplitudes. We introduce a cutoff for two-dimensional field theory which is more general than the choice of a world-sheet metric, and using this we give an invariant description of factorization of fermionic amplitudes. As an example we work out the linearized corrections for the O(16) × O(16) heterotic string. They come from a finite corrected effective action.

fermion: string model
supersymmetry
field theory: conformal
moduli space
factorization
string model: O(16) x O(16)
transformation: Becchi-Rouet-Stora
bibliography

References(56)

Figures(0)

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