We discuss the implications of an experiment in which the frequencies of two laser beams are compared for different intensities in order to search for a dependence of the frequency of light on its intensity. Since no such dependence was found it is possible to place bounds on a description of the electromagnetic field in terms of q-oscillators. We conclude that the value of the nonlinearity parameter is smaller than lo-“.
Experimental limit on the blue-shift of the frequency of light implied by a Q-nonlinearity / V.I. MANKO; G.M. TINO. - In: PHYSICS LETTERS A. - ISSN 0375-9601. - STAMPA. - 202:(1995), pp. 24-27.
Experimental limit on the blue-shift of the frequency of light implied by a Q-nonlinearity
TINO, GUGLIELMO MARIA
1995
Abstract
We discuss the implications of an experiment in which the frequencies of two laser beams are compared for different intensities in order to search for a dependence of the frequency of light on its intensity. Since no such dependence was found it is possible to place bounds on a description of the electromagnetic field in terms of q-oscillators. We conclude that the value of the nonlinearity parameter is smaller than lo-“.
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