Preservation of sum rules for the 1p-Green function in Luttinger model
✍ Scribed by Alba Theumann
- Publisher
- Elsevier Science
- Year
- 1976
- Tongue
- English
- Weight
- 187 KB
- Volume
- 59
- Category
- Article
- ISSN
- 0375-9601
No coin nor oath required. For personal study only.
📜 SIMILAR VOLUMES
Kccsived 10 February 1984 1 his pper prcscnts un elcmcntary derivation for the nth moment of magnetic resonance linear rcsponsc lineshape using sum rules for two ~imc rctxdcd Crccn's functions. The results can bc particularized to the high-temperature regime whew van Vlcck's wcli-known relations ar
A sum rule for ionization potentkds. similar to the Marine-Xberg theorem, is derived in the fmmeliork of a many-body Green's\_function formaiism\_This sum rule is shown to be valid under main& t\\o conditions (3 the constant term and the aftiity poks of the seff-energ part tie to be neglected; (ii)
In this article, neural networks are employed for fast and efficient calculation of Green's functions in a layered medium. Radial basis function networks (RBFNs) are effectively trained to estimate the coefficients and the exponents that represent a Green's function in the discrete complex image met
The Adler-Weisberger and Goldberger-Miyazawa-Oehme sum rules are calculated within a relativistic, unitary and crossing symmetric dynamical model for pion-nucleon scattering using two different methods: (1) by evaluating the scattering amplitude at the corresponding low-energy kinematics and (2) by