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Possible daily and seasonal variations in quantum interference induced by Chern-Simons gravity
Hiroki Okawara1, Kei Yamada, Hideki Asada
1Faculty of Science and Technology, Hirosaki University, Hirosaki 036-8561, Japan.
Physical Review Letters
|February 2, 2013
Summary
Chern-Simons gravity affects quantum interferometers, causing daily and seasonal phase shifts dependent on Earth's orientation. Neutron interferometry could constrain Chern-Simons parameters, similar to Gravity Probe B.
Area of Science:
- Theoretical physics
- Quantum mechanics
- Gravitational physics
Background:
- Chern-Simons (CS) gravity offers an alternative to standard general relativity.
- Quantum interferometers are sensitive tools for detecting subtle physical effects.
Purpose of the Study:
- To investigate the potential effects of Chern-Simons gravity on quantum interferometers.
- To determine if experimental measurements can constrain Chern-Simons gravity parameters.
Main Methods:
- Theoretical analysis of phase shifts in a quantum interferometer under CS gravity.
- Modeling the influence of Earth's orbital motion and orientation.
- Estimating the required sensitivity for neutron interferometry.
Main Results:
- Phase shifts in quantum interferometers are predicted to vary with latitude and direction.
- Daily and seasonal variations in these phase shifts are expected.
- Neutron interferometry with specific parameters can yield bounds on CS parameters.
Conclusions:
- Chern-Simons gravity effects on quantum interferometers are directionally and temporally dependent.
- Experimental verification is feasible with current or near-future technology.
- This research provides a pathway to test fundamental physics theories.
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