Observation of Extra Photon Recoil in a Distorted Optical Field

Physical Review Letters
Satyanarayana BadeSaïda Guellati-Khélifa

Abstract

Light carries momentum which induces on atoms a recoil for each photon absorbed. In vacuum, for a monochromatic beam of frequency ν, the global momentum per photon is bounded by general principles and is smaller than hν/c leading to a limit on the recoil. However, locally this limit can be broken. In this Letter, we give a general formula to calculate the recoil in vacuum. We show that in a laser beam with a distorted optical field, there are regions where the recoil can be higher than this limit. Using atoms placed in those regions we are able to measure directly the extra recoil.

References

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Apr 14, 2018·Science·Richard H ParkerHolger Müller

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Citations

Sep 17, 2019·Science Advances·Xuejian WuHolger Müller
Apr 14, 2018·Science·Richard H ParkerHolger Müller
Dec 19, 2020·Scientific Reports·Florian FitzekNaceur Gaaloul
May 7, 2021·Nature Communications·Martina GebbeErnst M Rasel
Jun 12, 2021·Physical Review Letters·Jun Sun, Yong-Nan Sun
Aug 11, 2021·Scientific Reports·Christian SchubertErnst M Rasel

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