Journal
INTERNATIONAL JOURNAL OF MODERN PHYSICS A
Volume 34, Issue 27, Pages -Publisher
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0217751X19501549
Keywords
Functional renormalization group; bound states; Bethe-Salpeter equations
Categories
Funding
- Hungarian Academy Fund (OTKA) [K123815]
Ask authors/readers for more resources
Equivalence criteria are established for an effective Yukawa-type theory of composite fields representing two-particle fermion bound states with the original microscopic theory of interacting fermions based on the spectral decomposition of the 2-to-2 fermion scattering amplitude. Functional renormalization group equations of the effective theory are derived exploiting relations expressing the equivalence. The effect of truncating the spectral decomposition is investigated quantitatively on the example of the nonrelativistic bound states of two oppositely charged fermions.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available