Abstract
The contribution of fermion and scalar condensates,\(\left\langle {\bar \psi \psi } \right\rangle \) and 〈φ + φ〉 to their propagators is calculated exactly in their masses. The ensuing contributions to the photon propagator and the pseudoscalar correlation function are then evaluated.
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F.J. Ynduráin: Quantum chromodynamics, Berlin, Heidelberg, New York: Springer 1983
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In this case because the corresponding condensates are presumably very small
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Ynduráin, F.J. Nonperturbative propagators for scalars and fermions to all orders in their masses. Z. Phys. C - Particles and Fields 42, 653–656 (1989). https://doi.org/10.1007/BF01557672
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DOI: https://doi.org/10.1007/BF01557672