2-LOOP CORRECTION TO THE INSTANTON DENSITY FOR THE DOUBLE-WELL POTENTIAL

Authors
WOHLER CF SHURYAK E
Citation
Cf. Wohler et E. Shuryak, 2-LOOP CORRECTION TO THE INSTANTON DENSITY FOR THE DOUBLE-WELL POTENTIAL, Physics letters. Section B, 333(3-4), 1994, pp. 467-470
Citations number
14
Categorie Soggetti
Physics
Journal title
Physics letters. Section B → ACNP
ISSN journal
03702693
Volume
333
Issue
3-4
Year of publication
1994
Pages
467 - 470
Database
ISI
SICI code
0370-2693(1994)333:3-4<467:2CTTID>2.0.ZU;2-#
Abstract
Feynman diagrams in the instanton background are used for the calculat ion of the tunneling amplitude, up to the two-loops order. Some mistak es made in the previous works are corrected. The same method is applie d to the next-order corrections to the ground state wave function.