Geodesic
Asymptotic behavior of the wave function of three particles in a continuum
Teoretičeskaâ i matematičeskaâ fizika, Tome 186 (2016) no. 1, pp. 152-163 Cet article a éte moissonné depuis la source Math-Net.Ru

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We study the wave function of a system of three particles in a continuum. The Faddeev equations are used to explicitly identify the singularities of the wave function in the momentum space. We obtain the asymptotic behavior of the wave function in the configuration space by calculating the asymptotic behavior of the Fourier transform of the wave function in the momentum space. Our attention is focused on configurations in which two particles are at a relatively small distance from each other while the third particle is significantly remote from the center of mass of the pair. We show that the coordinate asymptotic form of the wave function for such a configuration contains scattered waves of a new type in addition to the standard terms. We use the obtained exact data concerning the coordinate asymptotic form of the wave function to critically analyze the multiplicative ansatz used in several works to describe systems of three particles in a continuum.
Keywords: three-particle scattering, single rescattering, double rescattering, asymptotic behavior of the three-particle wave function in the two-particle sector. 
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     title = {Asymptotic behavior of the~wave function of three particles in a~continuum},
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}
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S. L. Yakovlev. Asymptotic behavior of the wave function of three particles in a continuum. Teoretičeskaâ i matematičeskaâ fizika, Tome 186 (2016) no. 1, pp. 152-163. http://geodesic.mathdoc.fr/item/TMF_2016_186_1_a9/

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