Wu Y, Yang X. Eigenstates and eigenenergies of four-wave-mixing models.
OPTICS LETTERS 2004;
29:839-841. [PMID:
15119395 DOI:
10.1364/ol.29.000839]
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Abstract
We present explicit analytical expressions of all the eigenenergies and eigenstates for two different kinds of four-wave-mixing model in terms of a parameter lambda without the so-called Bethe ansatz assumption. The parameter lambda is shown to be determined by the roots of a simple polynomial. We also obtain the exact explicit analytical expressions of infinite eigenstates and energies without any unknown parameter.
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