Ferromagnetic gyroscopes for tests of fundamental physics

Fundamental tests of physics with optically trapped microspheres

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Introduction to the Special issue Spectroscopic Tests of Fundamental Physics

http://dx.doi.org/10.1016/j.jms.2014.04.004 0022-2852/ 2014 Elsevier Inc. All rights reserved. This special issue of the Journal of Molecular Spectroscopy highlights the recent advances in the use of molecular spectroscopy to test fundamental physics. It follows a special session on the same subject at the 68th International Symposium of Molecular Spectroscopy held on 17–18 June 2013 at The Ohi...

Ring-laser tests of fundamental physics and geophysics

HeNe ring-laser gyros are standard sensors in inertial guidance; mirror reflectances now reach 99.9999%. Present research instruments have an area of ∼ 1 m2, a passive quality factor of > 1011, and a resolution of the frequency difference of counter-rotating optical beams approaching microhertz. In the Sagnac effect, this difference is proportional to the angular velocity. Present resolution is...

Fundamental Theories of Physics

Fundamental physics with LISA

LISA has the potential to make observations that probe deeply into fundamental physics. Not only will it test to exquisite precision the general relativity model for gravitational radiation, but will also test strong-field gravity and in particular the proposition that all black holes are described by the Kerr metric. More research is needed, however, on how to quantify the theoretical meaning ...