Proceedings of the Third Meeting on CPT and Lorentz Symmetry, Bloomington, USA, 4-7 August 2004 / editor, V. Alan Kostelecký.

Includes bibliographical references.

Cover -- Contents -- Preface -- Some Anomalies Related to Spontaneous Symmetry Breaking Y. Nambu -- 1. Nielsen anomaly -- 2. Breaking of Lorentz Symmetries -- 3. Quasiparticles as classical objectsd -- 4. Speculative Remarks -- Acknowledgment. -- References -- Tests of CPT and Lorentz Symmetry using Hydrogen and Noble-Gas Masers R.L. Walsworth -- 1. Introduction -- 2. Motivation -- 3. 129Xe/3He maser test of CPT and Lorentz symmetry -- 4. Hydrogen maser test of CPT and Lorentz symmetry -- 5. Conclusions -- Acknowledgments -- References -- New Tests of Lorentz Invariance in the Photon Sector using Precision Oscillators and Interferometers M.E. Tobar et al. -- 1. Introduction -- 2. Ongoing experiments with cryogenic sapphire oscillators at the Paris Observatory -- 3. New high precision rotating experiment at UWA -- 4. Proposals to improve limits on odd parity and scalar parameters of the SME -- Acknowledgments -- References -- Lorentz Violation and Neutrinos M. Mewes -- 1. Introduction -- 2. Framework -- 3. Features -- 4. Illustrative models -- 4.1. Fried-chicken models -- 4.2. Vector models -- 4.3. The bicycle model -- 5. Short baseline experiments -- References -- ATHENA First Production of Cold Antihydrogen and Beyond A. Kellerbauer et al. -- 1. Introduction -- 2. Setup and principle -- 3. Recent results -- 3.1. Antihydrogen production 2002/2003 -- 3.2. Recombination process -- 4. Antihydrogen spectroscopy within the framework of the Standard-Model Extension -- 5. Conclusions and outlook -- Acknowledgments -- References -- The Physics of Generalized Maxwell Equations C. Lammerzahl and H. Miiller -- 1. Introduction -- 1.1. Methods of phenomenological generalizations of dynamical equations -- 1.2. Comparison with kinematical test theories for Lorentz invariance -- 2. The generalized Maxwell equations -- 3. Radiation effects -- 4. Electromagnetostatics -- References -- Operation of the K-3He Self-Compensating Co-Magnetometer for a Test of Lorentz Symmetry T.W. Kornack and M.V. Romalis -- 1. Introduction -- 2. The K-3He co-magnetometer -- 2.1. The K magnetometer -- 2.2. Coupled spin ensembles -- 3. Experimental implementation -- 3.1. Co-magnetometer setup -- 3.2. Zeroing Fields and Lightshifts -- 3.3. Calibrating the co-magnetometer -- 3.4. Suppressing systematic effects -- 4. Gyroscopic effects -- 5. Long term data analysis -- 6. Conclusions -- Acknowledgements -- References -- Lorentz Violation and Gravity V.A. Kostelecky -- 1. Introduction -- 2. Framework -- 3. Spontaneous and Explicit Lorentz Violation -- 4. Low-Energy Effective Action -- 5. Summary -- Acknowledgments -- References -- Short-Range Tests of the Gravitational Inverse-Square Law E.G. Adelberger -- 1. Motivations -- 2. Results -- 3. Upcoming Eot-Wash Group results -- Acknowledgments -- Testing CPT Conservation using Atmospheric Neutrinos M.D. Messier -- 1. Atmospheric Neutrinos -- 2. The Super-Kamiokande detector -- 3. Atmospheric neutrinos in SuperKamiokande -- 4. Fits to CPT violating models -- 4.1. Allowing different parameters for neutrinos and antineutrinos -- 4.2. Deviations from L/E behavior -- 4.3. Bicycle Model -- 5. Summary -- Acknowledgments -- References -- New Tes.

Lorentz and CPT invariance is a feature of the Standard Model of particle physics and of theories of gravity such as Einstein's general relativity. However, an underlying theory such as strings may introduce small violations of Lorentz and CPT symmetry. This book consists of reviews from about 50 experts in the field, covering theoretical and experimental studies of these relativity-violating effects. It comprises the Proceedings of the Third Meeting on CPT and Lorentz Symmetry, held at Indiana University in Bloomington. The Meeting focused on recent developments involving fundamental spacetime symmetries and included theoretical scenarios and experimental searches for possible relativity violations. Experimental subjects covered include resonant-cavity and interferometric behavior of photons, oscillations of neutrinos and neutral mesons, clock-comparison measurements on the Earth and in space, astrophysical observations, tests with macroscopic matter, spectroscopy of hydrogen and antihydrogen, studies of particle properties and behavior, and gravitational tests. Theoretical topics covered include physical effects at the level of the Standard Model and beyond, the possible origins and mechanisms for Lorentz and CPT violations, and associated issues in particle physics, field theory, gravity, and string theory.

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