APPROXIMATE SOLUTION OF THE BETHE-SALPETER EQUATION FOR TWO FERMIONS
Journal Article
·
· Progr. Theoret. Phys. (Kyoto)
The eigerfunction and the binding energy of the ground state are obtained for a bound state of two fermions, which interact through photons or scalar photons in the ladder approximation. The Bethe-Salpeter equation is separated into four independent sets of equations by applying the Tani-Foldy- Wouthuysen transformations. These equations are further simplified by neglecting part of the recoil. Retardation is completely taken into account. The wave function is expanded in a form convenient for obtaining spin singlet and triplet solutions. As an example, the ground state of positronium is solved. (auth)
- Research Organization:
- Tokyo Univ.
- Sponsoring Organization:
- USDOE
- NSA Number:
- NSA-15-022904
- OSTI ID:
- 4040026
- Journal Information:
- Progr. Theoret. Phys. (Kyoto), Journal Name: Progr. Theoret. Phys. (Kyoto) Vol. Vol: 25
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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