Atom Interferometers and Optical Clocks: New Quantum Sensors Based on Ultracold Atoms for Gravitational Tests in Earth Laboratories and in Space

  • Guglielmo M. Tino
Part of the Astrophysics and Space Science Library book series (ASSL, volume 367)


Cooling and trapping of neutral atoms has been one of the most active fields of research in physics in recent years. Several methods were demonstrated to reach temperatures as low as a few nanokelvin allowing, for example, the investigation of quantum degenerate gases. The ability to control the quantum degrees of freedom of atoms opens the way to applications for precision measurement of fundamental physical quantities. Here, experiments we are performing using atom interferometry to determine the gravitational constant G and test the Newtonian gravitational law at micrometric distances will be presented. Other experiments in progress, planned or being considered using atom interferometers and new optical atomic clocks in ground laboratories and in space are also discussed.


Optical Lattice Source Masse Atomic Clock Newtonian Gravity Optical Clock 
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Copyright information

© Springer Science+Business Media B.V. 2010

Authors and Affiliations

  1. 1.Dipartimento di Fisica and LENSUniversità di Firenze, Istituto Nazionale di Fisica Nucleare, Sezione di FirenzeSesto FiorentinoItaly

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