Laser Based Measurements For Time And Frequency Domain Applications
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Laser-Based Measurements for Time and Frequency Domain Applications
Author: Pasquale Maddaloni
language: en
Publisher: Taylor & Francis
Release Date: 2016-04-19
Foreword by Nobel laureate Professor Theodor W. Hch of Ludwig-Maximilians-UniversitätMunchenBased on the authors' experimental work over the last 25 years, Laser-Based Measurements for Time and Frequency Domain Applications: A Handbook presents basic concepts, state-of-the-art applications, and future trends in optical, atomic, and molecular physic
Laser-Based Measurements for Time and Frequency Domain Applications
Foreword by Nobel laureate Professor Theodor W. H ch of Ludwig-Maximilians-UniversitätMunchenBased on the authors' experimental work over the last 25 years, Laser-Based Measurements for Time and Frequency Domain Applications: A Handbook presents basic concepts, state-of-the-art applications, and future trends in optical, atomic, and molecular physic.
Astrophysics, Clocks and Fundamental Constants
Author: Savely G. Karshenboim
language: en
Publisher: Springer Science & Business Media
Release Date: 2004-08-11
The question of a possible temporal variation of the fundamental constants was raised by Paul Dirac in his "large number hypothesis" in 1937. Today it appears in the context of the search for a unified theory of the fundamental interactions. It touches both fundamental and applied physics, as the postulate of the unalterability of the constants is the foundation for modern metrology. The book presents reviews written by leading experts in the field. Focussing on the question of variations of the fundamental "constants" in time or space, the chapters cover the theoretical framework in which variations are expected and the search for variations of quantities like the fine-structure constant, the electron/proton mass ratio, g-factors of proton and neutron etc. in astrophysical and geophysical observations and in precision experiments with atomic clocks and frequency standards.