Heavy and light quarks in the instanton vacuum

Details Heavy and light quarks in the instanton vacuum Heavy and light quarks in the instanton vacuum

2011-03-15

arxiv.org/abs/1103.2884v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

Talk given at the workshop "Hadron Nuclear Physics 2011", APCTP, Pohang, Republic of Korea, Feb. 21-24, 2011. The workshop pro

Scientific paper

Assuming the gluon field is well approximated by instanton configurations we derive a light quarks determinant and calculate its contribution to the specific heavy quarks correlators -- namely, the heavy quark propagator and heavy quark-aniquark correlator, receiving the instanton generated light-heavy quarks interaction terms contributions. With these knowledge we calculate the light quark contribution to the interaction between heavy quarks, which might be essential for the properties of a few heavy quarks systems.

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