Non-perturbative results on the point particle limit of N = 2 heterotic string compactifications

Nuclear Physics B

Volumn 459, Issue 3, 1996, Pages 537-555

  Kachru, Shamit ^a   Klemm, Albrecht ^b   Lerche, Wolfgang ^b   Mayr, Peter ^b   Vafa, Cumrun ^a  

^a HARVARD UNIVERSITY   (United States)

^b CERN   (Switzerland)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 16144366518     PISSN: 05503213     EISSN: None     Source Type: Journal    
DOI: 10.1016/0550-3213(95)00574-9     Document Type: Article

References (67)

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6. [1] A. Font, L. Ibáñez, D. Lüst and F. Quevedo, Phys. Lett. B 249 (1990) 35; J. Schwarz, hep-th/9307121; A. Sen, Int. J. Mod. Phys. A 9 (1994) 3007; C. Hull and P. Townsend, Nucl. Phys. B 438 (1995) 109; M. Duff, Nucl. Phys. B 442 (1995) 47; P. Townsend, Phys. Lett. B 350 (1995) 184; E. Witten, Nucl. Phys. B 443 (1995) 85; A. Sen, hep-th/9504027; J. Harvey and A. Strominger, hep-th/9504047; A. Strominger, hep-th/9504090; B. Greene, D. Morrison and A. Strominger, hep-th/9504145; C. Vafa, hep-th/9505023; C. Vafa and E. Witten, Nucl.Phys. B 447 (1995) 261; C. Hull and P. Townsend, hep-th/9505073; S. Kachru and C. Vafa, hep-th/9505105; S. Ferrara, J. Harvey, A. Strominger and C. Vafa, hep-th/9505162; D. Ghoshal and C. Vafa, hep-th/9506122; G. Papadopoulous and P. Townsend, hep-th/9506150; A. Dabholkar, hep-th/9506160; C. Hull, hep-th/9506194; J. Schwarz and A. Sen, hep-th/9507027; C. Vafa and E. Witten, hep-th/9507050; E. Witten, hep-th/9507121; K. Becker, M. Becker and A. Strominger, hep-th/9507158; M. Cvetič and D. Youm, hep-th/9507160; J. Harvey, D. Lowe and A. Strominger, hep-th/9507168; D. Jatkar and B. Peeters, hep-th/9508044; A. Sen and C. Vafa, hep-th/9508064; T. Banks and M. Dine, hep-th/9508071; S. Kachru and E. Silverstein, hep-th/9508096; J. Schwarz, hep-th/9508143; S. Chaudhuri and D. Lowe, hep-th/9508144.
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12. [1] A. Font, L. Ibáñez, D. Lüst and F. Quevedo, Phys. Lett. B 249 (1990) 35; J. Schwarz, hep-th/9307121; A. Sen, Int. J. Mod. Phys. A 9 (1994) 3007; C. Hull and P. Townsend, Nucl. Phys. B 438 (1995) 109; M. Duff, Nucl. Phys. B 442 (1995) 47; P. Townsend, Phys. Lett. B 350 (1995) 184; E. Witten, Nucl. Phys. B 443 (1995) 85; A. Sen, hep-th/9504027; J. Harvey and A. Strominger, hep-th/9504047; A. Strominger, hep-th/9504090; B. Greene, D. Morrison and A. Strominger, hep-th/9504145; C. Vafa, hep-th/9505023; C. Vafa and E. Witten, Nucl.Phys. B 447 (1995) 261; C. Hull and P. Townsend, hep-th/9505073; S. Kachru and C. Vafa, hep-th/9505105; S. Ferrara, J. Harvey, A. Strominger and C. Vafa, hep-th/9505162; D. Ghoshal and C. Vafa, hep-th/9506122; G. Papadopoulous and P. Townsend, hep-th/9506150; A. Dabholkar, hep-th/9506160; C. Hull, hep-th/9506194; J. Schwarz and A. Sen, hep-th/9507027; C. Vafa and E. Witten, hep-th/9507050; E. Witten, hep-th/9507121; K. Becker, M. Becker and A. Strominger, hep-th/9507158; M. Cvetič and D. Youm, hep-th/9507160; J. Harvey, D. Lowe and A. Strominger, hep-th/9507168; D. Jatkar and B. Peeters, hep-th/9508044; A. Sen and C. Vafa, hep-th/9508064; T. Banks and M. Dine, hep-th/9508071; S. Kachru and E. Silverstein, hep-th/9508096; J. Schwarz, hep-th/9508143; S. Chaudhuri and D. Lowe, hep-th/9508144.
13. [1] A. Font, L. Ibáñez, D. Lüst and F. Quevedo, Phys. Lett. B 249 (1990) 35; J. Schwarz, hep-th/9307121; A. Sen, Int. J. Mod. Phys. A 9 (1994) 3007; C. Hull and P. Townsend, Nucl. Phys. B 438 (1995) 109; M. Duff, Nucl. Phys. B 442 (1995) 47; P. Townsend, Phys. Lett. B 350 (1995) 184; E. Witten, Nucl. Phys. B 443 (1995) 85; A. Sen, hep-th/9504027; J. Harvey and A. Strominger, hep-th/9504047; A. Strominger, hep-th/9504090; B. Greene, D. Morrison and A. Strominger, hep-th/9504145; C. Vafa, hep-th/9505023; C. Vafa and E. Witten, Nucl.Phys. B 447 (1995) 261; C. Hull and P. Townsend, hep-th/9505073; S. Kachru and C. Vafa, hep-th/9505105; S. Ferrara, J. Harvey, A. Strominger and C. Vafa, hep-th/9505162; D. Ghoshal and C. Vafa, hep-th/9506122; G. Papadopoulous and P. Townsend, hep-th/9506150; A. Dabholkar, hep-th/9506160; C. Hull, hep-th/9506194; J. Schwarz and A. Sen, hep-th/9507027; C. Vafa and E. Witten, hep-th/9507050; E. Witten, hep-th/9507121; K. Becker, M. Becker and A. Strominger, hep-th/9507158; M. Cvetič and D. Youm, hep-th/9507160; J. Harvey, D. Lowe and A. Strominger, hep-th/9507168; D. Jatkar and B. Peeters, hep-th/9508044; A. Sen and C. Vafa, hep-th/9508064; T. Banks and M. Dine, hep-th/9508071; S. Kachru and E. Silverstein, hep-th/9508096; J. Schwarz, hep-th/9508143; S. Chaudhuri and D. Lowe, hep-th/9508144.
14. [1] A. Font, L. Ibáñez, D. Lüst and F. Quevedo, Phys. Lett. B 249 (1990) 35; J. Schwarz, hep-th/9307121; A. Sen, Int. J. Mod. Phys. A 9 (1994) 3007; C. Hull and P. Townsend, Nucl. Phys. B 438 (1995) 109; M. Duff, Nucl. Phys. B 442 (1995) 47; P. Townsend, Phys. Lett. B 350 (1995) 184; E. Witten, Nucl. Phys. B 443 (1995) 85; A. Sen, hep-th/9504027; J. Harvey and A. Strominger, hep-th/9504047; A. Strominger, hep-th/9504090; B. Greene, D. Morrison and A. Strominger, hep-th/9504145; C. Vafa, hep-th/9505023; C. Vafa and E. Witten, Nucl.Phys. B 447 (1995) 261; C. Hull and P. Townsend, hep-th/9505073; S. Kachru and C. Vafa, hep-th/9505105; S. Ferrara, J. Harvey, A. Strominger and C. Vafa, hep-th/9505162; D. Ghoshal and C. Vafa, hep-th/9506122; G. Papadopoulous and P. Townsend, hep-th/9506150; A. Dabholkar, hep-th/9506160; C. Hull, hep-th/9506194; J. Schwarz and A. Sen, hep-th/9507027; C. Vafa and E. Witten, hep-th/9507050; E. Witten, hep-th/9507121; K. Becker, M. Becker and A. Strominger, hep-th/9507158; M. Cvetič and D. Youm, hep-th/9507160; J. Harvey, D. Lowe and A. Strominger, hep-th/9507168; D. Jatkar and B. Peeters, hep-th/9508044; A. Sen and C. Vafa, hep-th/9508064; T. Banks and M. Dine, hep-th/9508071; S. Kachru and E. Silverstein, hep-th/9508096; J. Schwarz, hep-th/9508143; S. Chaudhuri and D. Lowe, hep-th/9508144.
15. [1] A. Font, L. Ibáñez, D. Lüst and F. Quevedo, Phys. Lett. B 249 (1990) 35; J. Schwarz, hep-th/9307121; A. Sen, Int. J. Mod. Phys. A 9 (1994) 3007; C. Hull and P. Townsend, Nucl. Phys. B 438 (1995) 109; M. Duff, Nucl. Phys. B 442 (1995) 47; P. Townsend, Phys. Lett. B 350 (1995) 184; E. Witten, Nucl. Phys. B 443 (1995) 85; A. Sen, hep-th/9504027; J. Harvey and A. Strominger, hep-th/9504047; A. Strominger, hep-th/9504090; B. Greene, D. Morrison and A. Strominger, hep-th/9504145; C. Vafa, hep-th/9505023; C. Vafa and E. Witten, Nucl.Phys. B 447 (1995) 261; C. Hull and P. Townsend, hep-th/9505073; S. Kachru and C. Vafa, hep-th/9505105; S. Ferrara, J. Harvey, A. Strominger and C. Vafa, hep-th/9505162; D. Ghoshal and C. Vafa, hep-th/9506122; G. Papadopoulous and P. Townsend, hep-th/9506150; A. Dabholkar, hep-th/9506160; C. Hull, hep-th/9506194; J. Schwarz and A. Sen, hep-th/9507027; C. Vafa and E. Witten, hep-th/9507050; E. Witten, hep-th/9507121; K. Becker, M. Becker and A. Strominger, hep-th/9507158; M. Cvetič and D. Youm, hep-th/9507160; J. Harvey, D. Lowe and A. Strominger, hep-th/9507168; D. Jatkar and B. Peeters, hep-th/9508044; A. Sen and C. Vafa, hep-th/9508064; T. Banks and M. Dine, hep-th/9508071; S. Kachru and E. Silverstein, hep-th/9508096; J. Schwarz, hep-th/9508143; S. Chaudhuri and D. Lowe, hep-th/9508144.
16. [1] A. Font, L. Ibáñez, D. Lüst and F. Quevedo, Phys. Lett. B 249 (1990) 35; J. Schwarz, hep-th/9307121; A. Sen, Int. J. Mod. Phys. A 9 (1994) 3007; C. Hull and P. Townsend, Nucl. Phys. B 438 (1995) 109; M. Duff, Nucl. Phys. B 442 (1995) 47; P. Townsend, Phys. Lett. B 350 (1995) 184; E. Witten, Nucl. Phys. B 443 (1995) 85; A. Sen, hep-th/9504027; J. Harvey and A. Strominger, hep-th/9504047; A. Strominger, hep-th/9504090; B. Greene, D. Morrison and A. Strominger, hep-th/9504145; C. Vafa, hep-th/9505023; C. Vafa and E. Witten, Nucl.Phys. B 447 (1995) 261; C. Hull and P. Townsend, hep-th/9505073; S. Kachru and C. Vafa, hep-th/9505105; S. Ferrara, J. Harvey, A. Strominger and C. Vafa, hep-th/9505162; D. Ghoshal and C. Vafa, hep-th/9506122; G. Papadopoulous and P. Townsend, hep-th/9506150; A. Dabholkar, hep-th/9506160; C. Hull, hep-th/9506194; J. Schwarz and A. Sen, hep-th/9507027; C. Vafa and E. Witten, hep-th/9507050; E. Witten, hep-th/9507121; K. Becker, M. Becker and A. Strominger, hep-th/9507158; M. Cvetič and D. Youm, hep-th/9507160; J. Harvey, D. Lowe and A. Strominger, hep-th/9507168; D. Jatkar and B. Peeters, hep-th/9508044; A. Sen and C. Vafa, hep-th/9508064; T. Banks and M. Dine, hep-th/9508071; S. Kachru and E. Silverstein, hep-th/9508096; J. Schwarz, hep-th/9508143; S. Chaudhuri and D. Lowe, hep-th/9508144.
17. [1] A. Font, L. Ibáñez, D. Lüst and F. Quevedo, Phys. Lett. B 249 (1990) 35; J. Schwarz, hep-th/9307121; A. Sen, Int. J. Mod. Phys. A 9 (1994) 3007; C. Hull and P. Townsend, Nucl. Phys. B 438 (1995) 109; M. Duff, Nucl. Phys. B 442 (1995) 47; P. Townsend, Phys. Lett. B 350 (1995) 184; E. Witten, Nucl. Phys. B 443 (1995) 85; A. Sen, hep-th/9504027; J. Harvey and A. Strominger, hep-th/9504047; A. Strominger, hep-th/9504090; B. Greene, D. Morrison and A. Strominger, hep-th/9504145; C. Vafa, hep-th/9505023; C. Vafa and E. Witten, Nucl.Phys. B 447 (1995) 261; C. Hull and P. Townsend, hep-th/9505073; S. Kachru and C. Vafa, hep-th/9505105; S. Ferrara, J. Harvey, A. Strominger and C. Vafa, hep-th/9505162; D. Ghoshal and C. Vafa, hep-th/9506122; G. Papadopoulous and P. Townsend, hep-th/9506150; A. Dabholkar, hep-th/9506160; C. Hull, hep-th/9506194; J. Schwarz and A. Sen, hep-th/9507027; C. Vafa and E. Witten, hep-th/9507050; E. Witten, hep-th/9507121; K. Becker, M. Becker and A. Strominger, hep-th/9507158; M. Cvetič and D. Youm, hep-th/9507160; J. Harvey, D. Lowe and A. Strominger, hep-th/9507168; D. Jatkar and B. Peeters, hep-th/9508044; A. Sen and C. Vafa, hep-th/9508064; T. Banks and M. Dine, hep-th/9508071; S. Kachru and E. Silverstein, hep-th/9508096; J. Schwarz, hep-th/9508143; S. Chaudhuri and D. Lowe, hep-th/9508144.
18. [1] A. Font, L. Ibáñez, D. Lüst and F. Quevedo, Phys. Lett. B 249 (1990) 35; J. Schwarz, hep-th/9307121; A. Sen, Int. J. Mod. Phys. A 9 (1994) 3007; C. Hull and P. Townsend, Nucl. Phys. B 438 (1995) 109; M. Duff, Nucl. Phys. B 442 (1995) 47; P. Townsend, Phys. Lett. B 350 (1995) 184; E. Witten, Nucl. Phys. B 443 (1995) 85; A. Sen, hep-th/9504027; J. Harvey and A. Strominger, hep-th/9504047; A. Strominger, hep-th/9504090; B. Greene, D. Morrison and A. Strominger, hep-th/9504145; C. Vafa, hep-th/9505023; C. Vafa and E. Witten, Nucl.Phys. B 447 (1995) 261; C. Hull and P. Townsend, hep-th/9505073; S. Kachru and C. Vafa, hep-th/9505105; S. Ferrara, J. Harvey, A. Strominger and C. Vafa, hep-th/9505162; D. Ghoshal and C. Vafa, hep-th/9506122; G. Papadopoulous and P. Townsend, hep-th/9506150; A. Dabholkar, hep-th/9506160; C. Hull, hep-th/9506194; J. Schwarz and A. Sen, hep-th/9507027; C. Vafa and E. Witten, hep-th/9507050; E. Witten, hep-th/9507121; K. Becker, M. Becker and A. Strominger, hep-th/9507158; M. Cvetič and D. Youm, hep-th/9507160; J. Harvey, D. Lowe and A. Strominger, hep-th/9507168; D. Jatkar and B. Peeters, hep-th/9508044; A. Sen and C. Vafa, hep-th/9508064; T. Banks and M. Dine, hep-th/9508071; S. Kachru and E. Silverstein, hep-th/9508096; J. Schwarz, hep-th/9508143; S. Chaudhuri and D. Lowe, hep-th/9508144.
19. [1] A. Font, L. Ibáñez, D. Lüst and F. Quevedo, Phys. Lett. B 249 (1990) 35; J. Schwarz, hep-th/9307121; A. Sen, Int. J. Mod. Phys. A 9 (1994) 3007; C. Hull and P. Townsend, Nucl. Phys. B 438 (1995) 109; M. Duff, Nucl. Phys. B 442 (1995) 47; P. Townsend, Phys. Lett. B 350 (1995) 184; E. Witten, Nucl. Phys. B 443 (1995) 85; A. Sen, hep-th/9504027; J. Harvey and A. Strominger, hep-th/9504047; A. Strominger, hep-th/9504090; B. Greene, D. Morrison and A. Strominger, hep-th/9504145; C. Vafa, hep-th/9505023; C. Vafa and E. Witten, Nucl.Phys. B 447 (1995) 261; C. Hull and P. Townsend, hep-th/9505073; S. Kachru and C. Vafa, hep-th/9505105; S. Ferrara, J. Harvey, A. Strominger and C. Vafa, hep-th/9505162; D. Ghoshal and C. Vafa, hep-th/9506122; G. Papadopoulous and P. Townsend, hep-th/9506150; A. Dabholkar, hep-th/9506160; C. Hull, hep-th/9506194; J. Schwarz and A. Sen, hep-th/9507027; C. Vafa and E. Witten, hep-th/9507050; E. Witten, hep-th/9507121; K. Becker, M. Becker and A. Strominger, hep-th/9507158; M. Cvetič and D. Youm, hep-th/9507160; J. Harvey, D. Lowe and A. Strominger, hep-th/9507168; D. Jatkar and B. Peeters, hep-th/9508044; A. Sen and C. Vafa, hep-th/9508064; T. Banks and M. Dine, hep-th/9508071; S. Kachru and E. Silverstein, hep-th/9508096; J. Schwarz, hep-th/9508143; S. Chaudhuri and D. Lowe, hep-th/9508144.
20. [1] A. Font, L. Ibáñez, D. Lüst and F. Quevedo, Phys. Lett. B 249 (1990) 35; J. Schwarz, hep-th/9307121; A. Sen, Int. J. Mod. Phys. A 9 (1994) 3007; C. Hull and P. Townsend, Nucl. Phys. B 438 (1995) 109; M. Duff, Nucl. Phys. B 442 (1995) 47; P. Townsend, Phys. Lett. B 350 (1995) 184; E. Witten, Nucl. Phys. B 443 (1995) 85; A. Sen, hep-th/9504027; J. Harvey and A. Strominger, hep-th/9504047; A. Strominger, hep-th/9504090; B. Greene, D. Morrison and A. Strominger, hep-th/9504145; C. Vafa, hep-th/9505023; C. Vafa and E. Witten, Nucl.Phys. B 447 (1995) 261; C. Hull and P. Townsend, hep-th/9505073; S. Kachru and C. Vafa, hep-th/9505105; S. Ferrara, J. Harvey, A. Strominger and C. Vafa, hep-th/9505162; D. Ghoshal and C. Vafa, hep-th/9506122; G. Papadopoulous and P. Townsend, hep-th/9506150; A. Dabholkar, hep-th/9506160; C. Hull, hep-th/9506194; J. Schwarz and A. Sen, hep-th/9507027; C. Vafa and E. Witten, hep-th/9507050; E. Witten, hep-th/9507121; K. Becker, M. Becker and A. Strominger, hep-th/9507158; M. Cvetič and D. Youm, hep-th/9507160; J. Harvey, D. Lowe and A. Strominger, hep-th/9507168; D. Jatkar and B. Peeters, hep-th/9508044; A. Sen and C. Vafa, hep-th/9508064; T. Banks and M. Dine, hep-th/9508071; S. Kachru and E. Silverstein, hep-th/9508096; J. Schwarz, hep-th/9508143; S. Chaudhuri and D. Lowe, hep-th/9508144.
21. [1] A. Font, L. Ibáñez, D. Lüst and F. Quevedo, Phys. Lett. B 249 (1990) 35; J. Schwarz, hep-th/9307121; A. Sen, Int. J. Mod. Phys. A 9 (1994) 3007; C. Hull and P. Townsend, Nucl. Phys. B 438 (1995) 109; M. Duff, Nucl. Phys. B 442 (1995) 47; P. Townsend, Phys. Lett. B 350 (1995) 184; E. Witten, Nucl. Phys. B 443 (1995) 85; A. Sen, hep-th/9504027; J. Harvey and A. Strominger, hep-th/9504047; A. Strominger, hep-th/9504090; B. Greene, D. Morrison and A. Strominger, hep-th/9504145; C. Vafa, hep-th/9505023; C. Vafa and E. Witten, Nucl.Phys. B 447 (1995) 261; C. Hull and P. Townsend, hep-th/9505073; S. Kachru and C. Vafa, hep-th/9505105; S. Ferrara, J. Harvey, A. Strominger and C. Vafa, hep-th/9505162; D. Ghoshal and C. Vafa, hep-th/9506122; G. Papadopoulous and P. Townsend, hep-th/9506150; A. Dabholkar, hep-th/9506160; C. Hull, hep-th/9506194; J. Schwarz and A. Sen, hep-th/9507027; C. Vafa and E. Witten, hep-th/9507050; E. Witten, hep-th/9507121; K. Becker, M. Becker and A. Strominger, hep-th/9507158; M. Cvetič and D. Youm, hep-th/9507160; J. Harvey, D. Lowe and A. Strominger, hep-th/9507168; D. Jatkar and B. Peeters, hep-th/9508044; A. Sen and C. Vafa, hep-th/9508064; T. Banks and M. Dine, hep-th/9508071; S. Kachru and E. Silverstein, hep-th/9508096; J. Schwarz, hep-th/9508143; S. Chaudhuri and D. Lowe, hep-th/9508144.
22. [1] A. Font, L. Ibáñez, D. Lüst and F. Quevedo, Phys. Lett. B 249 (1990) 35; J. Schwarz, hep-th/9307121; A. Sen, Int. J. Mod. Phys. A 9 (1994) 3007; C. Hull and P. Townsend, Nucl. Phys. B 438 (1995) 109; M. Duff, Nucl. Phys. B 442 (1995) 47; P. Townsend, Phys. Lett. B 350 (1995) 184; E. Witten, Nucl. Phys. B 443 (1995) 85; A. Sen, hep-th/9504027; J. Harvey and A. Strominger, hep-th/9504047; A. Strominger, hep-th/9504090; B. Greene, D. Morrison and A. Strominger, hep-th/9504145; C. Vafa, hep-th/9505023; C. Vafa and E. Witten, Nucl.Phys. B 447 (1995) 261; C. Hull and P. Townsend, hep-th/9505073; S. Kachru and C. Vafa, hep-th/9505105; S. Ferrara, J. Harvey, A. Strominger and C. Vafa, hep-th/9505162; D. Ghoshal and C. Vafa, hep-th/9506122; G. Papadopoulous and P. Townsend, hep-th/9506150; A. Dabholkar, hep-th/9506160; C. Hull, hep-th/9506194; J. Schwarz and A. Sen, hep-th/9507027; C. Vafa and E. Witten, hep-th/9507050; E. Witten, hep-th/9507121; K. Becker, M. Becker and A. Strominger, hep-th/9507158; M. Cvetič and D. Youm, hep-th/9507160; J. Harvey, D. Lowe and A. Strominger, hep-th/9507168; D. Jatkar and B. Peeters, hep-th/9508044; A. Sen and C. Vafa, hep-th/9508064; T. Banks and M. Dine, hep-th/9508071; S. Kachru and E. Silverstein, hep-th/9508096; J. Schwarz, hep-th/9508143; S. Chaudhuri and D. Lowe, hep-th/9508144.
23. [1] A. Font, L. Ibáñez, D. Lüst and F. Quevedo, Phys. Lett. B 249 (1990) 35; J. Schwarz, hep-th/9307121; A. Sen, Int. J. Mod. Phys. A 9 (1994) 3007; C. Hull and P. Townsend, Nucl. Phys. B 438 (1995) 109; M. Duff, Nucl. Phys. B 442 (1995) 47; P. Townsend, Phys. Lett. B 350 (1995) 184; E. Witten, Nucl. Phys. B 443 (1995) 85; A. Sen, hep-th/9504027; J. Harvey and A. Strominger, hep-th/9504047; A. Strominger, hep-th/9504090; B. Greene, D. Morrison and A. Strominger, hep-th/9504145; C. Vafa, hep-th/9505023; C. Vafa and E. Witten, Nucl.Phys. B 447 (1995) 261; C. Hull and P. Townsend, hep-th/9505073; S. Kachru and C. Vafa, hep-th/9505105; S. Ferrara, J. Harvey, A. Strominger and C. Vafa, hep-th/9505162; D. Ghoshal and C. Vafa, hep-th/9506122; G. Papadopoulous and P. Townsend, hep-th/9506150; A. Dabholkar, hep-th/9506160; C. Hull, hep-th/9506194; J. Schwarz and A. Sen, hep-th/9507027; C. Vafa and E. Witten, hep-th/9507050; E. Witten, hep-th/9507121; K. Becker, M. Becker and A. Strominger, hep-th/9507158; M. Cvetič and D. Youm, hep-th/9507160; J. Harvey, D. Lowe and A. Strominger, hep-th/9507168; D. Jatkar and B. Peeters, hep-th/9508044; A. Sen and C. Vafa, hep-th/9508064; T. Banks and M. Dine, hep-th/9508071; S. Kachru and E. Silverstein, hep-th/9508096; J. Schwarz, hep-th/9508143; S. Chaudhuri and D. Lowe, hep-th/9508144.
24. [1] A. Font, L. Ibáñez, D. Lüst and F. Quevedo, Phys. Lett. B 249 (1990) 35; J. Schwarz, hep-th/9307121; A. Sen, Int. J. Mod. Phys. A 9 (1994) 3007; C. Hull and P. Townsend, Nucl. Phys. B 438 (1995) 109; M. Duff, Nucl. Phys. B 442 (1995) 47; P. Townsend, Phys. Lett. B 350 (1995) 184; E. Witten, Nucl. Phys. B 443 (1995) 85; A. Sen, hep-th/9504027; J. Harvey and A. Strominger, hep-th/9504047; A. Strominger, hep-th/9504090; B. Greene, D. Morrison and A. Strominger, hep-th/9504145; C. Vafa, hep-th/9505023; C. Vafa and E. Witten, Nucl.Phys. B 447 (1995) 261; C. Hull and P. Townsend, hep-th/9505073; S. Kachru and C. Vafa, hep-th/9505105; S. Ferrara, J. Harvey, A. Strominger and C. Vafa, hep-th/9505162; D. Ghoshal and C. Vafa, hep-th/9506122; G. Papadopoulous and P. Townsend, hep-th/9506150; A. Dabholkar, hep-th/9506160; C. Hull, hep-th/9506194; J. Schwarz and A. Sen, hep-th/9507027; C. Vafa and E. Witten, hep-th/9507050; E. Witten, hep-th/9507121; K. Becker, M. Becker and A. Strominger, hep-th/9507158; M. Cvetič and D. Youm, hep-th/9507160; J. Harvey, D. Lowe and A. Strominger, hep-th/9507168; D. Jatkar and B. Peeters, hep-th/9508044; A. Sen and C. Vafa, hep-th/9508064; T. Banks and M. Dine, hep-th/9508071; S. Kachru and E. Silverstein, hep-th/9508096; J. Schwarz, hep-th/9508143; S. Chaudhuri and D. Lowe, hep-th/9508144.
25. [1] A. Font, L. Ibáñez, D. Lüst and F. Quevedo, Phys. Lett. B 249 (1990) 35; J. Schwarz, hep-th/9307121; A. Sen, Int. J. Mod. Phys. A 9 (1994) 3007; C. Hull and P. Townsend, Nucl. Phys. B 438 (1995) 109; M. Duff, Nucl. Phys. B 442 (1995) 47; P. Townsend, Phys. Lett. B 350 (1995) 184; E. Witten, Nucl. Phys. B 443 (1995) 85; A. Sen, hep-th/9504027; J. Harvey and A. Strominger, hep-th/9504047; A. Strominger, hep-th/9504090; B. Greene, D. Morrison and A. Strominger, hep-th/9504145; C. Vafa, hep-th/9505023; C. Vafa and E. Witten, Nucl.Phys. B 447 (1995) 261; C. Hull and P. Townsend, hep-th/9505073; S. Kachru and C. Vafa, hep-th/9505105; S. Ferrara, J. Harvey, A. Strominger and C. Vafa, hep-th/9505162; D. Ghoshal and C. Vafa, hep-th/9506122; G. Papadopoulous and P. Townsend, hep-th/9506150; A. Dabholkar, hep-th/9506160; C. Hull, hep-th/9506194; J. Schwarz and A. Sen, hep-th/9507027; C. Vafa and E. Witten, hep-th/9507050; E. Witten, hep-th/9507121; K. Becker, M. Becker and A. Strominger, hep-th/9507158; M. Cvetič and D. Youm, hep-th/9507160; J. Harvey, D. Lowe and A. Strominger, hep-th/9507168; D. Jatkar and B. Peeters, hep-th/9508044; A. Sen and C. Vafa, hep-th/9508064; T. Banks and M. Dine, hep-th/9508071; S. Kachru and E. Silverstein, hep-th/9508096; J. Schwarz, hep-th/9508143; S. Chaudhuri and D. Lowe, hep-th/9508144.
26. [1] A. Font, L. Ibáñez, D. Lüst and F. Quevedo, Phys. Lett. B 249 (1990) 35; J. Schwarz, hep-th/9307121; A. Sen, Int. J. Mod. Phys. A 9 (1994) 3007; C. Hull and P. Townsend, Nucl. Phys. B 438 (1995) 109; M. Duff, Nucl. Phys. B 442 (1995) 47; P. Townsend, Phys. Lett. B 350 (1995) 184; E. Witten, Nucl. Phys. B 443 (1995) 85; A. Sen, hep-th/9504027; J. Harvey and A. Strominger, hep-th/9504047; A. Strominger, hep-th/9504090; B. Greene, D. Morrison and A. Strominger, hep-th/9504145; C. Vafa, hep-th/9505023; C. Vafa and E. Witten, Nucl.Phys. B 447 (1995) 261; C. Hull and P. Townsend, hep-th/9505073; S. Kachru and C. Vafa, hep-th/9505105; S. Ferrara, J. Harvey, A. Strominger and C. Vafa, hep-th/9505162; D. Ghoshal and C. Vafa, hep-th/9506122; G. Papadopoulous and P. Townsend, hep-th/9506150; A. Dabholkar, hep-th/9506160; C. Hull, hep-th/9506194; J. Schwarz and A. Sen, hep-th/9507027; C. Vafa and E. Witten, hep-th/9507050; E. Witten, hep-th/9507121; K. Becker, M. Becker and A. Strominger, hep-th/9507158; M. Cvetič and D. Youm, hep-th/9507160; J. Harvey, D. Lowe and A. Strominger, hep-th/9507168; D. Jatkar and B. Peeters, hep-th/9508044; A. Sen and C. Vafa, hep-th/9508064; T. Banks and M. Dine, hep-th/9508071; S. Kachru and E. Silverstein, hep-th/9508096; J. Schwarz, hep-th/9508143; S. Chaudhuri and D. Lowe, hep-th/9508144.
27. [1] A. Font, L. Ibáñez, D. Lüst and F. Quevedo, Phys. Lett. B 249 (1990) 35; J. Schwarz, hep-th/9307121; A. Sen, Int. J. Mod. Phys. A 9 (1994) 3007; C. Hull and P. Townsend, Nucl. Phys. B 438 (1995) 109; M. Duff, Nucl. Phys. B 442 (1995) 47; P. Townsend, Phys. Lett. B 350 (1995) 184; E. Witten, Nucl. Phys. B 443 (1995) 85; A. Sen, hep-th/9504027; J. Harvey and A. Strominger, hep-th/9504047; A. Strominger, hep-th/9504090; B. Greene, D. Morrison and A. Strominger, hep-th/9504145; C. Vafa, hep-th/9505023; C. Vafa and E. Witten, Nucl.Phys. B 447 (1995) 261; C. Hull and P. Townsend, hep-th/9505073; S. Kachru and C. Vafa, hep-th/9505105; S. Ferrara, J. Harvey, A. Strominger and C. Vafa, hep-th/9505162; D. Ghoshal and C. Vafa, hep-th/9506122; G. Papadopoulous and P. Townsend, hep-th/9506150; A. Dabholkar, hep-th/9506160; C. Hull, hep-th/9506194; J. Schwarz and A. Sen, hep-th/9507027; C. Vafa and E. Witten, hep-th/9507050; E. Witten, hep-th/9507121; K. Becker, M. Becker and A. Strominger, hep-th/9507158; M. Cvetič and D. Youm, hep-th/9507160; J. Harvey, D. Lowe and A. Strominger, hep-th/9507168; D. Jatkar and B. Peeters, hep-th/9508044; A. Sen and C. Vafa, hep-th/9508064; T. Banks and M. Dine, hep-th/9508071; S. Kachru and E. Silverstein, hep-th/9508096; J. Schwarz, hep-th/9508143; S. Chaudhuri and D. Lowe, hep-th/9508144.
28. [1] A. Font, L. Ibáñez, D. Lüst and F. Quevedo, Phys. Lett. B 249 (1990) 35; J. Schwarz, hep-th/9307121; A. Sen, Int. J. Mod. Phys. A 9 (1994) 3007; C. Hull and P. Townsend, Nucl. Phys. B 438 (1995) 109; M. Duff, Nucl. Phys. B 442 (1995) 47; P. Townsend, Phys. Lett. B 350 (1995) 184; E. Witten, Nucl. Phys. B 443 (1995) 85; A. Sen, hep-th/9504027; J. Harvey and A. Strominger, hep-th/9504047; A. Strominger, hep-th/9504090; B. Greene, D. Morrison and A. Strominger, hep-th/9504145; C. Vafa, hep-th/9505023; C. Vafa and E. Witten, Nucl.Phys. B 447 (1995) 261; C. Hull and P. Townsend, hep-th/9505073; S. Kachru and C. Vafa, hep-th/9505105; S. Ferrara, J. Harvey, A. Strominger and C. Vafa, hep-th/9505162; D. Ghoshal and C. Vafa, hep-th/9506122; G. Papadopoulous and P. Townsend, hep-th/9506150; A. Dabholkar, hep-th/9506160; C. Hull, hep-th/9506194; J. Schwarz and A. Sen, hep-th/9507027; C. Vafa and E. Witten, hep-th/9507050; E. Witten, hep-th/9507121; K. Becker, M. Becker and A. Strominger, hep-th/9507158; M. Cvetič and D. Youm, hep-th/9507160; J. Harvey, D. Lowe and A. Strominger, hep-th/9507168; D. Jatkar and B. Peeters, hep-th/9508044; A. Sen and C. Vafa, hep-th/9508064; T. Banks and M. Dine, hep-th/9508071; S. Kachru and E. Silverstein, hep-th/9508096; J. Schwarz, hep-th/9508143; S. Chaudhuri and D. Lowe, hep-th/9508144.
29. [1] A. Font, L. Ibáñez, D. Lüst and F. Quevedo, Phys. Lett. B 249 (1990) 35; J. Schwarz, hep-th/9307121; A. Sen, Int. J. Mod. Phys. A 9 (1994) 3007; C. Hull and P. Townsend, Nucl. Phys. B 438 (1995) 109; M. Duff, Nucl. Phys. B 442 (1995) 47; P. Townsend, Phys. Lett. B 350 (1995) 184; E. Witten, Nucl. Phys. B 443 (1995) 85; A. Sen, hep-th/9504027; J. Harvey and A. Strominger, hep-th/9504047; A. Strominger, hep-th/9504090; B. Greene, D. Morrison and A. Strominger, hep-th/9504145; C. Vafa, hep-th/9505023; C. Vafa and E. Witten, Nucl.Phys. B 447 (1995) 261; C. Hull and P. Townsend, hep-th/9505073; S. Kachru and C. Vafa, hep-th/9505105; S. Ferrara, J. Harvey, A. Strominger and C. Vafa, hep-th/9505162; D. Ghoshal and C. Vafa, hep-th/9506122; G. Papadopoulous and P. Townsend, hep-th/9506150; A. Dabholkar, hep-th/9506160; C. Hull, hep-th/9506194; J. Schwarz and A. Sen, hep-th/9507027; C. Vafa and E. Witten, hep-th/9507050; E. Witten, hep-th/9507121; K. Becker, M. Becker and A. Strominger, hep-th/9507158; M. Cvetič and D. Youm, hep-th/9507160; J. Harvey, D. Lowe and A. Strominger, hep-th/9507168; D. Jatkar and B. Peeters, hep-th/9508044; A. Sen and C. Vafa, hep-th/9508064; T. Banks and M. Dine, hep-th/9508071; S. Kachru and E. Silverstein, hep-th/9508096; J. Schwarz, hep-th/9508143; S. Chaudhuri and D. Lowe, hep-th/9508144.
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