Dilaton Couplings at Large Distances
Jul, 19885 pages
Published in:
- Phys.Lett.B 213 (1988) 450-454
- Published: 1988
Report number:
- CERN-TH-5116-88,
- FERMILAB-PUB-88-089-T
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Abstract: (Elsevier)
The large-distance behaviour of dilaton couplings is studied within the framework of four-dimensional heterotic superstring theories. String loop corrections violate universality of dilaton and graviton couplings, increasing dilaton couplings at large distances. This implies a serious problem for string theories, unless a non-zero dilaton mass is generated.- MODEL: STRING
- SUPERSYMMETRY
- FIELD THEORY: EFFECTIVE ACTION
- FIELD THEORY: DILATON
- PERTURBATION THEORY: HIGHER-ORDER
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