Research Interests:

Selected Recent Publications

• "Heterotic Strings with Torsion" (with D. Dasgupta), SU-ITP-02-34, hep-th/0209077.
• "Supersymmetry Breaking and a'-Corrections to Flux Induced Potentials" (with M. Becker, M. Haack and J. Louis), JHEP 0206 (2002) 060, hep-th/0204254.
• "Supersymmetry Breaking, M-Theory and Fluxes" (with M. Becker), JHEP 0107 (2001) 038, hep-th/0107044.
• "A Note on Compactifications on spin(7)-Holonomy Manifolds," JHEP 0105 (2001) 003, hep-th/0011114.
• "Higher Order Graviton Scattering in M(atrix) Theory" (with M. Becker, J. Polchinski and A. Tseytlin), D56 (1997) 3174-3178, hep-th/9706072.
• "A Two Loop Test of M(atrix) Theory" (with M. Becker), Nucl. Phys. B506 (1997) 48, hep-th/9705091.
• "Supersymmetric Cycles in Exceptional Holonomy Manifolds and Calabi-Yau 4-Folds" (with M. Becker, D.R. Morriosn, H. Ooguri, Y. Oz and Z. Yin), Nucl. Phys. B480 (1996) 225, hep-th/9608116.
• "M-Theory on Eight Manifolds" (with M. Becker), Nucl. Phys. B477 (1996) 155, hep-th/9605053.
• "Fivebranes, Membranes and Non-Perturbative String Theory" (with M. Becker and A. Strominger), Nucl. Phys. B456 (1995) 130, hep-th/9507158.
• "Three-Dimensional Supergravity and the Cosmological Constant" (with M. Becker and A. Strominger), Phys. Rev. D 51 (1995) 6603, hep-th/9502107.