Optomechanical effects on H2O vapor and their astrophysical implications

Details Optomechanical effects on H2O vapor and their astrophysical implications Optomechanical effects on H2O vapor and their astrophysical implications

Feb 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993phrvl..70..742b&link_type=abstract

Physical Review Letters (ISSN 0031-9007), vol. 70, no. 6, p. 742-745.

Physics

4

Doppler Effect, Hydrogen Isotopes, Optical Resonance, Solar System, Water Vapor, Deuterium, Red Shift

Scientific paper

In search of an explanation for the peculiar (D/H) distribution in the solar system a mechanical effect of light on H2O vapor is investigated which combines great isotope selectivity with mechanical transport, viz. light-induced drift. Results of laboratory experiments are presented. They show that in the protosolar nebula this effect may have been an important mechanism for the relative enrichment of deuterium on the inner planets of our solar system. Gravitational redshift provides a direction for this mechanism. The effect of light pressure is found to be 2 orders of magnitude smaller.

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