By Savely G. Karshenboim, Ekkehard Peik
In 1937 the query of a potential temporal edition of the elemental constants was once raised by means of 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 basic interactions. It touches either basic and utilized physics, because the postulated unalterability of the constants is the root for contemporary metrology. The e-book provides stories written by way of major specialists within the box. Focussing at the query of diversifications of the elemental "constants" in time or area, the chapters conceal the theoretical framework within which adaptations are anticipated and the hunt for diversifications of amounts equivalent 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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Extra resources for Astrophysics, Clocks and Fundamental Constants
Peik, Trapped Ion Optical Frequency Standards for Laboratory Tests of Alpha-Variability, Lect. Notes Phys. 648 247–261 (2004) 10. S. , Cold Atom Clocks, Precision Oscillators and Fundamental Tests, Lect. Notes Phys. 648, 189–207 (2004) 11. A. I. Shlyakhter, Nature (London) 264, 340 (1976); T. Damour and F. Dyson, Nucl. Phys. B480, 596 (1994). 12. Y. Fujii, Oklo Constraint on the Time-Variability of the Fine-Structure Constant, Lect. Notes Phys. 648, 167–185 (2004); Y. Fujii, A. Iwamoto, T. Fukahori, T.
How should the laboratory results for the cesium-to-rubidium comparison [10,29] (negative) with the Oklo constraints  (negative) and the astrophysical data  (positive) be compared? • How should the Oklo result and other nuclear data be treated in a modelindependent way? • What is the hierarchy of variations of fundamental constants? • What is the dependence of the proton mass and magnetic moment on the quark masses? • How should the nuclear magnetic moments be treated in a model-independent way?
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