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Peccei, R.D. (2008) The Strong CP Problem and Axions. In: Kuster, M., Raffelt, G. and Beltrán, B., Eds., Axions: Theory, Cosmology, and Experimental Searches, Lecture Notes in Physics, Vol. 741, Springer, Heidelberg, 3-17.
https://doi.org/10.1007/978-3-540-73518-2_1

has been cited by the following article:

• TITLE: Recent QFT of Einstein’s Gravity Simplified via Ultrahyperfunctions

  AUTHORS: A. Plastino, M. C. Rocca

  KEYWORDS: Quantum Field Theory, Einstein Gravity, Non-Renormalizable Theories, Unitarity

  JOURNAL NAME: Journal of Modern Physics, Vol.11 No.4, April 14, 2020

  ABSTRACT: Previously published treatment is rather involved. Here we present a useful approximation to the concomitant derivation that yields a simpler way of handling things and still obtains results quite similar to those yielded by the exact treatment. Our approximation consists of giving the graviton field a simpler, but still quite good approximate form.