New tests of Einstein's equivalence principle and Newton's inverse-square law

Author: Adelberger E.G.

Source: Classical and Quantum Gravity, Volume 18, Number 13, 2001 , pp. 2397-2405(9)

Publisher: Institute of Physics Publishing

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Abstract:

This paper describes recent experimental work by the University of Washington E?t-Wash group on two different topics: a test of the strong equivalence principle and a search for sub-millimetre scale deviations of the Newtonian [iopmath latex="$1/r^2$"] 1/r2 [/iopmath] law. Our strong equivalence principle test was motivated by the resurgence of interest in `gravitational' scalar fields, which typically lead to violation of the equivalence principle for gravitational self-energy. Our sub-millimetre experiment was motivated by predictions of fundamentally new effects from `large' extra dimensions and from the dilaton and moduli scalar particles of string theory.

Language: English

Document Type: Miscellaneous

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