Search for a proposed signature of Lorentz-invariant spacetime granularity

W. A. Terrano; B. R. Heckel; E. G. Adelberger

doi:10.1088/0264-9381/28/14/145011

Search for a proposed signature of Lorentz-invariant spacetime granularity

W. A. Terrano, B. R. Heckel, E. G. Adelberger

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

8 Scopus citations

Abstract

We used a rotating torsion pendulum containing ≈10²³ polarized electrons placed in an orientable quadrupole source to constrain Bonder and Sudarsky's quantum-gravity effect based on a Lorentz-invariant spacetime granularity model proposed by Corichi and Sudarsky. Our null results constrain the model's free parameters 13 orders of magnitude more tightly than those Bonder and Sudarsky obtained by reinterpreting the data from a previous polarized neutron experiment that was designed to test Lorentz invariance.

Original language	English (US)
Article number	145011
Journal	Classical and Quantum Gravity
Volume	28
Issue number	14
DOIs	https://doi.org/10.1088/0264-9381/28/14/145011
State	Published - Jul 21 2011
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1088/0264-9381/28/14/145011

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AU - Heckel, B. R.

AU - Adelberger, E. G.

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AB - We used a rotating torsion pendulum containing ≈1023 polarized electrons placed in an orientable quadrupole source to constrain Bonder and Sudarsky's quantum-gravity effect based on a Lorentz-invariant spacetime granularity model proposed by Corichi and Sudarsky. Our null results constrain the model's free parameters 13 orders of magnitude more tightly than those Bonder and Sudarsky obtained by reinterpreting the data from a previous polarized neutron experiment that was designed to test Lorentz invariance.

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Search for a proposed signature of Lorentz-invariant spacetime granularity

Abstract

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