Brane Localized Gravity
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Brane Localized Gravity
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Author : Philip D. Mannheim
language : en
Publisher: World Scientific
Release Date : 2005
Brane Localized Gravity written by Philip D. Mannheim and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Science categories.
This timely and valuable book provides a detailed pedagogical introduction and treatment of the brane-localized gravity program of Randall and Sundrum, in which gravitational signals are able to localize around our four-dimensional world in the event that it is a brane embedded in an infinitely-sized, higher dimensional anti-de Sitter bulk space. A completely self-contained development of the material needed for brane-world studies is provided for both students and workers in the field, with a significant amount of the material being previously unpublished. Particular attention is given to issues not ordinarily treated in the brane-world literature, such as the completeness of tensor gravitational fluctuation modes, the causality of brane-world propagators, and the status of the massless graviton fluctuation mode in brane worlds in which it is not normalizable.
Vanishing Of Cosmological Constant And Fully Localized Gravity In A Brane World With Extra Time S
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Author : Z. Berezhiani
language : en
Publisher:
Release Date : 2001
Vanishing Of Cosmological Constant And Fully Localized Gravity In A Brane World With Extra Time S written by Z. Berezhiani and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with categories.
Massive Gravity On A Brane
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Author :
language : en
Publisher:
Release Date : 2003
Massive Gravity On A Brane written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with categories.
At present no theory of a massive graviton is known that is consistent with experiments at both long and short distances. The problem is that consistency with long distance experiments requires the graviton mass to be very small. Such a small graviton mass however implies an ultraviolet cutoff for the theory at length scales far larger than the millimeter scale at which gravity has already been measured. In this paper we attempt to construct a model which avoids this problem. We consider a brane world setup in warped AdS spacetime and we investigate the consequences of writing a mass term for the graviton on a the infrared brane where the local cutoff is of order a large (galactic) distance scale. The advantage of this setup is that the low cutoff for physics on the infrared brane does not significantly affect the predictivity of the theory for observers localized on the ultraviolet brane. For such observers the predictions of this theory agree with general relativity at distances smaller than the infrared scale but go over to those of a theory of massive gravity at longer distances. A careful analysis of the graviton two-point function, however, reveals the presence of a ghost in the low energy spectrum. A mode decomposition of the higher dimensional theory reveals that the ghost corresponds to the radion field. We also investigate the theory with a brane localized mass for the graviton on the ultraviolet brane, and show that the physics of this case is similar to that of a conventional four dimensional theory with a massive graviton, but with one important difference: when the infrared brane decouples and the would-be massive graviton gets heavier than the regular Kaluza-Klein modes, it becomes unstable and it has a finite width to decay off the brane into the continuum of Kaluza-Klein states.
Experimental Probes Of Localized Gravity
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Author :
language : en
Publisher:
Release Date : 2000
Experimental Probes Of Localized Gravity written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with categories.
The phenomenology of the Randall-Sundrum model of localized gravity is analyzed in detail for the two scenarios where the Standard Model (SM) gauge and matte fields are either confined to a TeV scale 3-brane or may propagate in a slice of five dimensional anti-deSitter space. In the latter instance, the authors derive the interactions of the graviton, gauge, and fermion Kaluza-Klein (KK) states. The resulting phenomenological signatures are shown to be highly dependent on the value of the 5-dimensional fermion mass and differ substantially from the case where the SM fields lie on the TeV-brane. In both scenarios, they examine the collider signatures for direct production of the graviton and gauge KK towers as well as their induced contributions to precision electroweak observables. These direct and indirect signatures are found to play a complementary role in the exploration of the model parameter space. In the case where the SM field content resides on the TeV-brane, they show that the LHC can probe the full parameter space and hence will either discover or exclude this model if the scale of electroweak physics on the 3-brane is less than 10 TeV. They also show that spontaneous electroweak symmetry breaking of the SM must take place on the TeV-brane.
Studies In Gravity Localization On Branes And De Sitter Cft Correspondence
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Author : Peter Langfelder
language : en
Publisher:
Release Date : 2003
Studies In Gravity Localization On Branes And De Sitter Cft Correspondence written by Peter Langfelder and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Branes categories.
Brane Cosmology In String M Theory And Cosmological Parameters Estimation
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Author : Qiang Wu
language : en
Publisher:
Release Date : 2009
Brane Cosmology In String M Theory And Cosmological Parameters Estimation written by Qiang Wu and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Branes categories.
In this dissertation, I mainly focus on two subjects: (I) highly effective and efficient parameter estimation algorithms and their applications to cosmology; and (II) the late cosmic acceleration of the universe in string/M theory. In Part I, after developing two highly successful numerical codes, I apply them to study the holographical dark energy model and LCMD model with curvature. By fitting these models with the most recent observations, I find various tight constraints on the parameters involved in the models. In part II, I develop the general formulas to describe orbifold branes in both string and M theories, and then systematical study the two most important issues: (1) the radion stability and radion mass; and (2) the localization of gravity, the effective 4D Newtonian potential. I find that the radion is stable and its mass is in the order of GeV, which is well above the current observational constraints. The gravity is localized on the TeV brane, and the spectra of the gravitational Kluza-Klein towers are discrete and have a mass gap of TeV. The contributions of high order Yukawa corrections to the Newtonian potential are negligible. Using the large extra dimensions, I also show that the cosmological constant can be lowered to its current observational value. Applying the formulas to cosmology, I study several models in the two theories, and find that a late transient acceleration of the universe is a generic feature of our setups.
Particle Physics And Cosmology The Quest For Physics Beyond The Standard Model S Tasi 2002
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Author : Howard E Haber
language : en
Publisher: World Scientific
Release Date : 2004-09-13
Particle Physics And Cosmology The Quest For Physics Beyond The Standard Model S Tasi 2002 written by Howard E Haber and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004-09-13 with Science categories.
This book contains the lecture courses conducted at the School of the Theoretical Advanced Study Institute (TASI, Colorado, USA) on Elementary Particle Physics in 2002. In this School, three series of lectures are presented in parallel in the area of phenomenology, TeV-scale physics, and astroparticles physics. The phenomenology lecture series covered a broad spectrum of standard research techniques used to interpret present day and future collider data. The TeV-scale physics lecture series focused on modern speculations about physics beyond the Standard Model, with an emphasis on supersymmetry and extra-dimensional theories. The lecture series on astroparticle physics treated recent developments in theories of dark matter and dark energy, the cosmic microwave background, and prospects for the upcoming era of gravitational wave astronomy.
Memorial Volume For Yi Shi Duan
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Author : Ge Mo-lin
language : en
Publisher: World Scientific
Release Date : 2018-01-05
Memorial Volume For Yi Shi Duan written by Ge Mo-lin and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-01-05 with Science categories.
Yi-Shi Duan (1927–2016) was one of the world-renowned pioneers in the study of gauge field theory and general relativity. Trained in the former Soviet Union, Prof. Duan returned to China in 1957 to work in Lanzhou University for 60 years. In 1963, he came up with a general co-variant form of the conservation law of the energy-momentum tensor in general relativity. In 1979, he suggested that the gauge potential could be decomposed, which has important implications to gauge field theory. He trained in China a big team of talents in theoretical physics. His contributions to theoretical physics in China have earned him praise from both Professor Shiing-Shen Chern and Professor Chen-Ning Yang. Contents: SU(2) Gauge Theory and Electrodynamics with N Magnetic Monopoles (Yi-Shi Duan and Mo-Lin Ge)Abelian Decomposition of QCD (Y M Cho)How Can We Understand Quark Confinement in Quantum Yang–Mills Theory? (Kei-Ichi Kondo)Asymmetrical Input-output Control in Cavity Quantum Electrodynamics (Yifu Zhu)Energy and Angular Momentum in Gravity Theories (Rong-Gen Cai and Li-Ming Cao)Gravitational Energy and the Gauge Theory Perspective (Chiang-Mei Chen and James M Nester)Energy-Momentum in General Relativity (Xiaoning Wu and Xiao Zhang)Introduction to Extra Dimensions and Thick Braneworlds (Yu-Xiao Liu)Appendices: Chronicle of Prof. Yi-Shi Duan's LifeChronicle of Prof. Yi-Shi Duan's Life (Chinese Version)List of Prof. Yi-Shi Duan's Publications Readership: Graduate students; researchers. Keywords: Yi-Shi Duan;Yang-Mills Theory;General Relativity;Modified Gravity;Gauge Potential Decomposition;Monopole;Energy-Momentum Tenor;Brane World Scenario;Conserved Charge;Cavity Quantum ElectrodynamicsReview: Key Features: Yi-Shi Duan was one of the world-renowned pioneers in the study of gauge field theory and general relativity in ChinaHe trained a big team of talents in theoretical physics in China, such as Mo-Lin Ge, Rong-Gen Cai, etc.His contributions to theoretical physics in China have earned him praise from both Professor S S Chern and Professor C N Yang
Einstein For The 21st Century
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Author : Peter L. Galison
language : en
Publisher: Princeton University Press
Release Date : 2018-02-27
Einstein For The 21st Century written by Peter L. Galison and has been published by Princeton University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-02-27 with Biography & Autobiography categories.
More than fifty years after his death, Albert Einstein's vital engagement with the world continues to inspire others, spurring conversations, projects, and research, in the sciences as well as the humanities. Einstein for the 21st Century shows us why he remains a figure of fascination. In this wide-ranging collection, eminent artists, historians, scientists, and social scientists describe Einstein's influence on their work, and consider his relevance for the future. Scientists discuss how Einstein's vision continues to motivate them, whether in their quest for a fundamental description of nature or in their investigations in chaos theory; art scholars and artists explore his ties to modern aesthetics; a music historian probes Einstein's musical tastes and relates them to his outlook in science; historians explore the interconnections between Einstein's politics, physics, and philosophy; and other contributors examine his impact on the innovations of our time. Uniquely cross-disciplinary, Einstein for the 21st Century serves as a testament to his legacy and speaks to everyone with an interest in his work. The contributors are Leon Botstein, Lorraine Daston, E. L. Doctorow, Yehuda Elkana, Yaron Ezrahi, Michael L. Friedman, Jürg Fröhlich, Peter L. Galison, David Gross, Hanoch Gutfreund, Linda D. Henderson, Dudley Herschbach, Gerald Holton, Caroline Jones, Susan Neiman, Lisa Randall, Jürgen Renn, Matthew Ritchie, Silvan S. Schweber, and A. Douglas Stone.
Strings Branes And Extra Dimensions
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Author : Steven Scott Gubser
language : en
Publisher: World Scientific
Release Date : 2004
Strings Branes And Extra Dimensions written by Steven Scott Gubser and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Science categories.
This book covers some recent advances in string theory and extra dimensions. Intended mainly for advanced graduate students in theoretical physics, it presents a rare combination of formal and phenomenological topics, based on the annual lectures given at the School of the Theoretical Advanced Study Institute (2001) a traditional event that brings together graduate students in high energy physics for an intensive course of advanced learning. The lecturers in the School are leaders in their fields.The first lecture, by E D'Hoker and D Freedman, is a systematic introduction to the gauge-gravity correspondence, focusing in particular on correlation functions in the conformal case. The second, by L Dolan, provides an introduction to perturbative string theory, including recent advances on backgrounds involving Ramond-Ramond fluxes. The third, by S Gubser, explains some of the basic facts about special holonomy and its uses in string theory and M-theory. The fourth, by J Hewett, surveys the TeV phenomenology of theories with large extra dimensions. The fifth, by G Kane, presents the case for supersymmetry at the weak scale and some of its likely experimental consequences. The sixth, by A Liddle, surveys recent developments in cosmology, particularly with regard to recent measurements of the CMB and constraints on inflation. The seventh, by B Ovrut, presents the basic features of heterotic M-theory, including constructions that contain the Standard Model. The eighth, by K Rajagopal, explains the recent advances in understanding QCD at low temperatures and high densities in terms of color superconductivity. The ninth, by M Sher, summarizes grand unified theories and baryogenesis, including discussions of supersymmetry breaking and the Standard Model Higgs mechanism. The tenth, by M Spiropulu, describes collider physics, from a survey of current and future machines to examples of data analyses relevant to theories beyond the Standard Model. The eleventh, by M Strassler, is an introduction to supersymmetric gauge theory, focusing on Wilsonian renormalization and analogies between three- and four-dimensional theories. The twelfth, by W Taylor and B Zwiebach, introduces string field theory and discusses recent advances in understanding open string tachyon condensation. The thirteenth, by D Waldram, discusses explicit model building in heterotic M-theory, emphasizing the role of the 8 gauge fields.The written presentation of these lectures is detailed yet straightforward, and they will be of use to both students and experienced researchers in high-energy theoretical physics for years to come.The proceedings have been selected for coverage in: Index to Scientific & Technical Proceedings (ISTP CDROM version / ISI Proceedings) CC Proceedings Engineering & Physical Sciences"
