Scalar-Scalar Ladder Model in the Unequal-Mass Case. II: Numerical Studies of the BS Amplitudes | Zendy

I Fukui | Zendy; N. Seto | Zendy

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Scalar-Scalar Ladder Model in the Unequal-Mass Case. II: Numerical Studies of the BS Amplitudes

Author(s) -

I Fukui,

N. Seto

Publication year - 1996

Publication title -

progress of theoretical physics

Language(s) - English

Resource type - Journals

eISSN - 1347-4081

pISSN - 0033-068X

DOI - 10.1143/ptp.95.433

Subject(s) - physics , scalar (mathematics) , amplitude , bethe–salpeter equation , scalar boson , coupling constant , bound state , mathematical physics , eigenvalues and eigenvectors , quantum electrodynamics , quantum mechanics , momentum (technical analysis) , position and momentum space , boson , geometry , mathematics , finance , economics

The Bethe-Salpeter amplitudes of the bound states formed by two scalarparticles with unequal masses are analyzed in the massive scalar particleexchange ladder model. The norms of the amplitudes are calculated numerically,and it is confirmed that the norm vanishes for the bound state corresponding tothe complex eigenvalue of the coupling constant. The behaviour of theBethe-Salpeter amplitudes in the momentum space is also investigated.Comment: 12 pages, Latex, 5 figures appended as an uuencoded Postscript fil

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