Recent advances in metrology and fundamental constants : Varenna on Lake Como, Villa Monastero, 25 July - 4 August 2000 Metrologia e costanti fondamentali: recenti sviluppi : Varenna sur lago di Como, Villa Monastero, 25 Luglio - 4 Agosto 2000
著者
書誌事項
Recent advances in metrology and fundamental constants : Varenna on Lake Como, Villa Monastero, 25 July - 4 August 2000 = Metrologia e costanti fondamentali: recenti sviluppi : Varenna sur lago di Como, Villa Monastero, 25 Luglio - 4 Agosto 2000
（Rendiconti della Scuola internazionale di fisica "Enrico Fermi", Course 146）
Società Italiana di Fisica , IOS Press , Distributed in Japan by Ohmsha, 2001
- : IOS Press
- : Ohmsha
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注記
Second title page in Italian
Includes bibliographical references
At the head of title : Italian physical Society
内容説明・目次
内容説明
Over the last decade of the 20th century, many improvements took place in the field of metrology and fundamental constants. These developments and improvements are discussed in this book. The old caesium SI second definition has found a new realization with the "fountain" approach, replacing the classical thermal atomic beam. The use of "cold" atom techniques, slowed down and cooled, has opened a number of unexpected avenues for metrology and fundamental constants, one of these possibilities being the atom interferometry. Another development was the demonstration of the possiblility of performing a direct frequency division in the visible, using short femtosecond pulses. Many other developments are also discussed.
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