Astrophysics, Clocks and Fundamental Constants - download pdf or read online

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By Savely G. Karshenboim, Ekkehard Peik

ISBN-10: 3540219676

ISBN-13: 9783540219675

In 1937 the query of a potential temporal version of the basic constants was once raised via Paul Dirac in his "large quantity hypothesis." this present day it seems that within the context of the hunt for a unified concept of the elemental interactions. It touches either basic and utilized physics, because the postulated unalterability of the constants is the root for contemporary metrology. The e-book offers stories written by way of major specialists within the box. Focussing at the query of adaptations of the elemental "constants" in time or house, the chapters disguise the theoretical framework during which diversifications are anticipated and the quest for adaptations of amounts comparable to the fine-structure consistent, the electron/proton mass ratio, g-factors of proton and neutron and so forth. in astrophysical and geophysical observations and in precision experiments with atomic clocks and frequency standards.

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Notes Phys. 648, 275–295 (2004) U. , Ultracold Trapped Molecules: Novel Systems for Tests of the Time-Independence of the Electron-to-Proton Mass Ratio, Lect. Notes Phys. 648, 297–307 (2004) P. W. Zitzewitz and N. F. Ramsey, Phys. Rev. A 3, 51 (1971); J. Vanier and C. Audoin, Quantum Physics of Atomic Frequency Stardards. Vol. 2. (A. Hilger, Bristol, Philadelpia, 1989). A. Bauch, S. Weyers, Phys. Rev. D 65, 081101(R) (2002). Part I Time and the Universe Gerhard B¨ orner Max-Planck-Institut f¨ ur Astrophysik, Karl-Schwarzschild-Str.

B¨ orner, Time and the Universe, Lect. Notes Phys. com/ 22 Gerhard B¨ orner gravitation, the theory of General Relativity. These solutions can accommodate the many, partly very precise observations surprisingly well [1]. 2 The Cosmological Models Alexander Friedman and George Lemˆaitre were the first to derive solutions from the field equations of General Relativity which could serve as cosmological models. In these Friedmann-Lemˆaitre (FL) models the expansion is idealized as the flow of a uniform fluid which is characterized by its homogeneous density ρ(t) and pressure p(t).

Rev. A 68, 022506 (2003). 24. M. P. Savedoff, Nature 178, 688 (1956). 25. R. I. Thompson, Astrophys. Lett. 16, 3 (1975). Introduction to Varying Fundamental Constants 17 26. T. V. , Constraining Variations in the Fine-Structure Constant, Quark Masses and the Strong Interaction, Lect. Notes Phys. 648, 131– 150 (2004); J. K. Webb, M. T. Murphy, V. V. Flambaum, S. J. Curran, Astrophys. Space Sci. 283, 565 (2003). 27. A. Levshakov, Astrophysical Constraints on Hypothetical Variability of Fundamental Constants, Lect.

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Astrophysics, Clocks and Fundamental Constants by Savely G. Karshenboim, Ekkehard Peik

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