CONTENTS -- Preface -- Type I String Dynamics on Magnetised Backgrounds C. Angelantonj -- 1. Introduction -- 2. Open-string magnetic field -- 3. Compactification on Melvin spaces -- Acknowledgements -- References -- Cosmology in Horava-Witten M-Theory R. Arnowitt, J. Dent and B. Dutta -- 1. Horava-Witten M-Theory -- 2. Solution Of The 5D Equations -- 3. Alternate Possibilities -- 4. Acknowledgement -- 5. References -- Standard-like Models from D-branes D. Bailin -- 1. Introduction -- 2. D4-brane models -- 3. D5-brane models -- Acknowledgements -- References -- Intersecting Brane Worlds on K3 and Calabi-Yau Manifolds R. Blumenhagen -- 1. Introduction -- 2. The general set-up -- 3. IBWs on K3 manifolds -- 4. IBWs on Calabi-Yau threefolds -- Orbifold examples: -- The Quintic: -- 5. Conclusion -- Acknowledgments -- References -- Non-Supersymmetric Quiver Models Ph. Brax -- 1. Non-Supersymmetric Quiver theories -- Acknowledgments -- References -- Parameter Space Investigations of Free Fermionic Heterotic Models G. B. Cleaver -- 1. NAHE-based Z2 x Z2 Heterotic Models -- 2. Flat Directions in the Low Energy Effective Field Theory -- 3. Optical Unification -- 4. Left-Right Symmetric Models -- 5. Flipped SU(5) -- 6. Conclusion -- Acknowledgments -- References -- Superstring Relics, Supersymmetric Fragmentation and UHECR A. Cafarella, C. Coriano, M. Guzzi and D. Martello -- 1. Introduction -- 2. Cosmic Rays -- 3. Wilson Lines Breaking and Fractionally Charged States -- 4. Detecting UHECR and the Case for New Physics -- 5. New Models of Interaction and their Simulations -- 6. Astro QCD/ SUSY-QCD: Perspectives -- Acknowledgement -- References -- Modular Symmetry, Twisted Sectors and Flavour T. Dent -- Introduction -- Invariance of mass eigenstates -- Discussion -- Acknowledgments -- References.

Supersymmetric Higgs Bosons in a 5D Orbifold Model V. Di Clemente, S. F. King and D. A. J. Rayner -- Introduction -- Our Model -- Results -- References -- String Theory, Unification and Supersymmetry M. Dine -- 1. Introduction -- 2. String theoretic unification -- 2.1. String Unification us. Field Theory Unification -- 2.2. The Unification Scale as a Modulus -- 2.3. Turning the GUT scale into a modulus -- 2.4. Distinctions Between String Theory and Field Theory Unification -- 3. Predicting Low Energy Supersymmetry? -- 4. String Theory in a Supersymmetric World -- 4.1. Generalities about Supersymmetry Breaking -- 4.2. Almost a prediction ('unprediction" ?)) -- 5. The Cosmological Moduli Problem, The Strong CP Problem And Other Issues -- 6. A Unified Picture -- References -- Time and Space Dependent Backgrounds from Nonsupersymmetric Strings E. Dudas, J. Mourad and C. Timirgaziu -- 1. Introduction and summary of results -- 2. Time-dependent backgrounds of nonsupersymmetric strings -- 2.1. Cosmological applications -- Acknowledgements. -- References -- Complementarity of the Maldacena and Karch-Randall Pictures M. J. Duff, J. T. Liu and H. Sati -- 1. Introduction -- Acknowledgments -- References -- Quark, Lepton and Neutrino Masses in Horava-Witten Inspired Models R. Arnowitt, B. Dutta and B. Hu -- 1. Introduction -- 2. Kahler Metric -- 3. Phenomenological Yukawa Matrices -- 4. neutrino masses and mixing angles -- 5. Lepton flavor violation -- References -- Looking Back at the First Decade of 2lst-Century High-Energy Physics J. Ellis -- 1. Introduction -- 2. Discovery of Extra Dimensions -- 3. Discovery of Dark Matter -- 4. Neutrino Masses and Oscillations -- 5 . Discovery of Lepton Flavour Violation -- 6. Space-Time Foam -- 7. Probing the String-Particle Phase Transition -- 8. Theoretical Advances -- Acknowledgements -- References.

The Cosmological Constant U. Ellwanger -- 1. Measurement of the Cosmological Constant -- 2. The Cosmological Constant in Classical and Quantum Field Theory -- 3. Solutions to the Cosmological Constant Problem? -- 3.1. Softly broken Supersymmetry -- 3.2. Dilaton -- 3.3. Brane Universes -- 3.4. Modifications of the Einstein Action -- 4. Conclusions -- Equivalence Principle Tests and Equivalence Theorems P. Fayet -- 1. General overview -- 2. General features of a new spin-1 induced force -- 2.1. Possible extra U(1) gauge symmetries -- 2.2. A relation between range and intensity ? -- 3. "Equivalence theorems" for spin-1 and spin- particles -- 3.1. A very light spin-1 U boson does not decouple for vanishing gauge coupling! -- 3.2. Increasing the symmetry-breaking scale F ("invisible U-boson" and "invisible axion" mechanisms) -- 3.3. The gravitino/goldstino "equivalence theorem" in supersymmetry -- 4. Implications of particle physics experiments -- 5. Conclusions -- References -- Conformality and Unification of Gauge Couplings P. H. Frampton -- 1. Introduction -- 2. Gauge Coupling Unification -- 3. TeV Unification -- 4. Acknowledgements -- References -- D-Moduli Stabilization J. Giedt -- Introduction. -- Conclusions. -- Acknowledgments -- References -- Localization and Anomalies on Orbifolds S. G. Nibbelink and H. P. Nilles -- 1. Introduction and summary -- 2. The setup of the 5D supersymmetric orbifold -- 3. Fayet-Iliopoulos tadpoles and localization of bulk fields -- 4. Orbifold anomalies -- Acknowledgments -- References -- Charge and Colour Breaking in String Theory A. Ibarra -- 1. Introduction -- 2. Charge and Colour Breaking constraints on string theory -- 3. The dilaton limit -- 4. Conclusions -- References -- U(1)'s from Intersecting D-branes N. Irges -- References.

Nonperturbative Flipped SU(5) Vacua in Horava-Witten Theory A. E. Faraggi, R. Garavuso and J. M. Isidro -- 1. Introduction -- 2. Vacua over Hirzebruch surfaces Fr -- 3. Overlap with the free fermionic models -- 4. Conclusions -- Acknowledgments -- References -- Recent Developments in Anomaly Mediated Supersymmetry Breaking I. Jack and D. R. T. Jones -- 1. Introduction -- 1.1. The Gaugino sector -- 1.2. The slepton mass problem -- 2. AMSB and the FN mechanism -- 3. Massive Neutrinos -- Acknowledgements -- References -- A Real CKM Matrix in Supersymmetric Theories S. Khalil -- 1. Introduction -- 2. Suppressing EDMs -- 3. EK and E'/E with a real CKM matrix -- 4. Large sin 2 with real CKM -- 5. Conclusions -- References -- Grand Unification of Flavor by Orbifold Twisting Z2 and Z2 x Z2' J. E. Kim -- Acknowledgments -- References -- String Inspired Neutrino Mass Models S. F. King -- 1. Introduction -- 2. The see-saw mechanism with single right-handed neutrino dominance -- 3. A String Inspired Supersymmetric Pati-Salam Model -- References -- Yukawa Hierarchy Transfer Through Superconformal Dynamics in String Inspired Extra Dimensional Models T. Kobayashi -- Acknowledgments -- References -- Exact Standard Model Structures from Intersecting Branes C. Kokorelis -- 1. Introduction -- 2. Five Stack SM's -- Acknowledgments -- References -- Warped Brane World Supergravity, Flipping, and the Scherk-Schwarz Mechanism Z. Lalak and R. Matyszkiewicz -- 1. Introduction -- 2. Flipped and detuned supergravity in five dimensions -- 3. Wave functions and mass quantization in flipped supergravity -- 4. Summary and conclusions -- Acknowledgments -- References -- CP Phenomenology in Heterotic String Models O. Lebedev -- References -- String Model Building at Low String Scale R. G. Leigh -- 1. Some Generic Quiverology -- 2. The 2r Orbifold.

2.1. Closed String Moduli and Higgsing -- 2.2. Supersymmetry Breaking and Lepton Masses -- 2.3. Anomalous U(1) 's, Green-Schwarz and Proton Decay -- 2.4. Flavour Changing Neutral Currents -- 2.5. Extra U(1)'s -- 2.6. Other Light Fermions -- 3. Conclusions -- Acknowledgments -- References -- Moving Five-Branes and Cosmology A. Lukas -- 1. Introduction -- 2. Effective actions in five and four dimensions -- 3. Cosmological solutions with a moving three-brane -- 4. Modelling three-branes with kinks -- Acknowledgements -- References -- Topics in SUSY Flavor Physics A. Masiero and O. Vives -- 1. CP VIOLATION IN SUSY -- 2. CP VIOLATION WITH NEW FLAVOR STRUCTURES -- References -- Equivalence Postulate and the Quantum Potential of Two Free Particles M. Matone -- 1. The Equivalence Postulate -- 2. The two-particle model -- Acknowledgments -- References -- Vacuum Energy, Cosmological Supersymmetry Breaking and Inflation from Colliding Brane Worlds N. E. Mavromatos -- Acknowledgements -- References -- Surface Reheating As A New Paradigm A. Mazumdar, K. Enquist and S. Kasuya -- 1. Introduction -- 1.1. Standard lore of reheating and constraints -- 1.2. Surface Reheating -- References -- CPT Violation in Microphysical Processes in External Gravitational Fields S. Mohanty -- 1. CPT violating couplings of fermions in external gravitational fields -- 1.1. Curvature couplings in satellite based experiments -- 1.2. Curvature couplings with tensor perturbations and baryogenesis -- Acknowledgements -- References -- Quantum Cosmology in the Born-Infeld Theory P. V. Moniz -- Acknowledgments -- References -- Spontaneous CP Violation in the Heterotic String S. Morris -- 1. Introduction -- 2. Gaugino Condensation -- 3. Stabilising the Dilaton -- 4. SUSY Breaking Parameters -- 5. Conclusions -- Acknowledgements -- References -- Extra Matter at Low Energy C. Munoz.

1. Introduction.