arXiv:1405.6828·v2·High Energy Physics — Phenomenology
Non-locality of the scalar quark condensate
M. G. Ryskin🇷🇺 · E. G. Drukarev🇷🇺 · V. A. Sadovnikova🇷🇺
Abstract
We suggest a somewhat indirect method for estimation of the nonlocal scalar quark condensate. The approach is based on analysis of the polarization operator of nucleon current in instanton medium.
Comments: 6 pages, 1 figure; corrected typos