Explicit modular invariant two-loop superstring amplitude relevant for R4

Journal of High Energy Physics

Volumn 3, Issue 6, 1999, Pages

  Iengo, Roberte ^a   Zhu, Chuan Jie ^b  

^a SEZIONE DI TRIESTE   (Italy)

^b INSTITUTE OF GEOLOGY AND GEOPHYSICS   (China)

Author keywords

M Theory; Superstrings and Heterotic Strings

Indexed keywords

EID: 33646054132     PISSN: 10298479     EISSN: None     Source Type: Journal    
DOI: 10.1088/1126-6708/1999/06/011     Document Type: Article

References (9)

1. M.B. Green and M. Gutperle, Effects of D-instantons, Nucl. Phys. B 498 (1997) 195 [hep-th/9701093].
2. M.B. Green and S. Sethi, Super-symmetry constraints on Type IIB super-gravity, Phys. Rev. D 59 (1999) 046006 [hep-th/9808061].
3. R. lengo and C.-J. Zhu, Two-loop computation of the four-particle amplitude in heterotic string theory, Phys. Lett. B 212 (1988) 313.
4. C.-J. Zhu, talk given in QFT 98, Gaungzhou, China, (unpublished).
5. E. Verlinde and H. Verlinde, Multiloop calculations in covariant super-string theory, Phys. Lett. B 192 (1987) 95.
6. M.B. Green and J.H. Schwarz, Super-symmetric dual string theory III. Loops and renormalization, Nucl. Phys. B 198 (1982) 441.
7. R. lengo and C.-J. Zhu, Notes on nonrenormalization theorem in super-string theories, Phys. Lett. B 212 (1988) 309.
8. C.-J. Zhu, Two-loop computations in super-string theories, Int. J. Mod. Phys. A 4 (1989) 3877.
9. E. Gava, R. lengo and G. Sotkov, Modular invariance and the two-loop vanishing of the cosmological constant, Phys. Lett. B 207 (1988) 283.