Light Dispersion in Gravitational Field

Yin Zhu

doi:10.20944/preprints202207.0145.v2

Comment 1

Received: 19 August 2022
Commenter: yin zhu
Commenter's Conflict of Interests: Author

Comment: Added the double gravitational lens as one evidence. The author thinks this is a complete solid evidence. It is the added content:
If light is dispersion in gravitational field, it shall be generally observed. The first evidence for the dispersion of light in gravitational field is the double gravitational lens. The two conditions are needed to form double gravitational lens. 1) There are two light curves. 2) There are different speeds and refractive angles for the two curves. The two conditions can just be produced from the dispersion of light in gravitational field. As a light ray is running through a strong field, it is being bent by the field. In the same time, it is being dispersed into two light curves with different speed and different refractive angle. It is emphasized, if a light ray could not be splitted into two rays, the double gravitational lens should not be formed. In 1995, Pelt and coworkers[11] presented that the double gravitational lens is originated from two different light curves. The time delay between the two light curves is determined with that one of the light curves is shifted by the dispersion spectra. They explained the time delay of QSO of 0957+561. With Pelt and coworkers’ conclusion, Burud and coworkers[12] explained the gravitationally lensed double QSO B1600+434. Therefore, although Pelt and coworkers[11] did not think that this dispersion spectra is related with the gravitational field, they used the key point in the concept of the dispersion of light in gravitational field: two light curves is shifted by dispersion spectra. Their description is almost as that described with our Figures 1 and 2 although the physical reason of the dispersion spectra in their work is different. It is shown that the dispersion of light in gravitational field is needed to wholly understand the double gravitational lens.

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Light Dispersion in Gravitational Field

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