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- W2897430727 abstract "Starting from the QCD Lagrangian and taking into account both perturbative and nonperturbative effects, we use the method of vacuum correlators to derive the Dirac equation (rigorously for the Coulomb interaction and heuristically for the confining potential) for a system consisting of a light quark and heavy antiquark. As a result the confining potential is a Lorentz scalar, and the Coulomb part the fourth component of a 4-vector. The energy spectrum of the Dirac equation is considered for these potentials. Numerical calculations of energy eigenvalues $E=E_{nkappa}$ are performed, and some exact solutions of the Dirac equation in the case $E=0$ are found. An effective-potential method convenient for qualitative study of the solutions of the Dirac equation is developed. The connection with experimental spectra of $D$- and $B$-mesons is briefly discussed." @default.
- W2897430727 created "2018-10-26" @default.
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- W2897430727 date "1994-01-03" @default.
- W2897430727 modified "2023-09-27" @default.
- W2897430727 title "Description of Relativistic Heavy--Light Quark--Antiquark Systems via Dirac Equations" @default.
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- W2897430727 hasPublicationYear "1994" @default.
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