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Constraints on Nonmetricity from Bounds on Lorentz Violation
Joshua Foster, Alan Kostelecky, Rui Xu
Spacetime nonmetricity can be studied experimentally through its couplings to fermions and photons. We use recent high-precision searches for Lorentz violation to deduce first cons…
Testing local Lorentz invariance with short-range gravity
Alan Kostelecky, Matthew Mewes
The Newton limit of gravity is studied in the presence of Lorentz-violating gravitational operators of arbitrary mass dimension. The linearized modified Einstein equations are obta…
Lorentz-violating spinor electrodynamics and Penning traps
Yunhua Ding, Alan Kostelecky
The prospects are explored for testing Lorentz- and CPT-violating quantum electrodynamics in experiments with Penning traps. We present the Lagrange density of Lorentz-violating sp…
Searching for photon-sector Lorentz violation using gravitational-wave detectors
Alan Kostelecky, Adrian C. Melissinos, Matthew Mewes
We study the prospects for using interferometers in gravitational-wave detectors as tools to search for photon-sector violations of Lorentz symmetry. Existing interferometers are s…
Combined search for Lorentz violation in short-range gravity
Cheng-Gang Shao, Yu-Jie Tan, Wen-Hai Tan +8
Short-range experiments testing the gravitational inverse-square law at the submillimeter scale offer uniquely sensitive probes of Lorentz invariance. A combined analysis of result…
Testing local Lorentz invariance with gravitational waves
Alan Kostelecky, Matthew Mewes
The effects of local Lorentz violation on dispersion and birefringence of gravitational waves are investigated. The covariant dispersion relation for gravitational waves involving…