GAUGE: The GrAnd Unification and Gravity Explorer

G. Amelino-Camelia; K. Aplin; M. Arndt; J.D. Barrow; Robert Bingham; C. Borde; P. Bouyer; M. Caldwell; N.A. Lockerbie; Colin Pegrum

doi:10.1007/s10686-008-9086-9

GAUGE: The GrAnd Unification and Gravity Explorer

G. Amelino-Camelia, K. Aplin, M. Arndt, J.D. Barrow, Robert Bingham, C. Borde, P. Bouyer, M. Caldwell, N.A. Lockerbie, Colin Pegrum

Research output: Contribution to journal › Article › peer-review

22 Citations (Scopus)

Abstract

The GAUGE (GrAnd Unification and Gravity Explorer) mission proposes to use a drag-free spacecraft platform onto which a number of experiments are attached. They are designed to address a number of key issues at the interface between gravity and unification with the other forces of nature. The equivalence principle is to be probed with both a high-precision test using classical macroscopic test bodies, and, to lower precision, using microscopic test bodies via cold-atom interferometry. These two equivalence principle tests will explore string-dilaton theories and the effect of space-time fluctuations respectively. The macroscopic test bodies will also be used for intermediate-range inverse-square law and an axion-like spin-coupling search. The microscopic test bodies offer the prospect of extending the range of tests to also include short-range inverse-square law and spin-coupling measurements as well as looking for evidence of quantum decoherence due to space-time fluctuations at the Planck scale.

Original language	English
Pages (from-to)	549-572
Number of pages	23
Journal	Experimental Astronomy
Volume	23
Issue number	2
DOIs	https://doi.org/10.1007/s10686-008-9086-9
Publication status	Published - Mar 2009

Keywords

fundamental physics
space mission
equivalence principle
mass-spin coupling
atom interferometry

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title = "GAUGE: The GrAnd Unification and Gravity Explorer",

abstract = "The GAUGE (GrAnd Unification and Gravity Explorer) mission proposes to use a drag-free spacecraft platform onto which a number of experiments are attached. They are designed to address a number of key issues at the interface between gravity and unification with the other forces of nature. The equivalence principle is to be probed with both a high-precision test using classical macroscopic test bodies, and, to lower precision, using microscopic test bodies via cold-atom interferometry. These two equivalence principle tests will explore string-dilaton theories and the effect of space-time fluctuations respectively. The macroscopic test bodies will also be used for intermediate-range inverse-square law and an axion-like spin-coupling search. The microscopic test bodies offer the prospect of extending the range of tests to also include short-range inverse-square law and spin-coupling measurements as well as looking for evidence of quantum decoherence due to space-time fluctuations at the Planck scale.",

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AU - Bingham, Robert

AU - Borde, C.

AU - Bouyer, P.

AU - Caldwell, M.

AU - Lockerbie, N.A.

AU - Pegrum, Colin

N1 - Strathprints' policy is to record up to 8 authors per publication, plus any additional authors based at the University of Strathclyde. More authors may be listed on the official publication than appear in the Strathprints' record.

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AB - The GAUGE (GrAnd Unification and Gravity Explorer) mission proposes to use a drag-free spacecraft platform onto which a number of experiments are attached. They are designed to address a number of key issues at the interface between gravity and unification with the other forces of nature. The equivalence principle is to be probed with both a high-precision test using classical macroscopic test bodies, and, to lower precision, using microscopic test bodies via cold-atom interferometry. These two equivalence principle tests will explore string-dilaton theories and the effect of space-time fluctuations respectively. The macroscopic test bodies will also be used for intermediate-range inverse-square law and an axion-like spin-coupling search. The microscopic test bodies offer the prospect of extending the range of tests to also include short-range inverse-square law and spin-coupling measurements as well as looking for evidence of quantum decoherence due to space-time fluctuations at the Planck scale.

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KW - space mission

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KW - atom interferometry

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JO - Experimental Astronomy

JF - Experimental Astronomy

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GAUGE: The GrAnd Unification and Gravity Explorer

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Keywords

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