期刊
PROGRESS OF THEORETICAL PHYSICS
卷 126, 期 3, 页码 531-553出版社
PROGRESS THEORETICAL PHYSICS PUBLICATION OFFICE
DOI: 10.1143/PTP.126.531
关键词
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资金
- MEXT of Japan [21654035]
- DFG Cluster of Excellence MAP (Munich-Center for Advanced Photonics)
- Grants-in-Aid for Scientific Research [21654035] Funding Source: KAKEN
The observed accelerating universe indicates the presence of Dark Energy which is probably interpreted in terms of an extremely light gravitational scalar field. We suggest a way to probe this scalar field which contributes to optical light-by-light scattering through the resonance in the quasi-parallel collision geometry. As we find, the frequency-shifted photons with the specifically chosen polarization state can be a distinct signature of the scalar-field-exchange process in spite of the extremely narrow width due to the gravitationally weak coupling to photons. Main emphasis will be placed in formulating a prototype theoretical approach, then showing how the weak signals from the gravitational coupling are enhanced by other non-gravitational effects at work in laser experiments.
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