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Approximate reformulation a recent non-renormalizable QFT's methodology and Einstein's gravity

Plastino, Ángel Luis et al · Scientific Research Publishing · 2020

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Author / responsible party
Plastino, Ángel Luis et al
Publisher
Scientific Research Publishing
Year
2020
ISSN
2380-4335
ISSN
2380-4335
Language
English

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We revisit, advancing a useful approximation, a recently formulated QFT treatment that successfully overcomes any troubles with infinities for non-renormalizable QFTs [J. Phys. Comm. 2 115029 (2018)]. Such methodology was able to successfully deal, in non-relativistic fashion, with Newton’s gravitation potential [Annals of Physics 412, 168013 (2020)]. Our present approximation to the QFT method of [J. Phys. Comm. 2 115029 (2018)] is based on the Einstein’s Lagrangian (EG) elaborated by Gupta [1], save for a different constraint’s selection. This choice allows one to avoid the lack of unitarity for the S matrix that impaired the proceedings of Gupta and Feynman. Moreover, we are able to simplify the handling of such constraint by eliminating the need to involve ghosts for guarantying unitarity. Our approximation consists in setting the graviton field µν µν φ γφ = , where µν γ is a constant tensor and φ a scalar (graviton) field. The ensuing approximate approach is non-renormalizable, an inconvenience that we are able to overcome in. Fil: Plastino, Ángel Luis. Universidad Nacional de La Plata. Facultad de Ciencias Exactas. Departamento de Física; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Física La Plata. Universidad Nacional de La Plata. Facultad de Ciencias Exactas. Instituto de Física La Plata; Argentina. École Polytechnique Fédérale de Lausanne; Suiza Fil: Rocca, Mario Carlos. Universidad Nacional de La Plata. Facultad de Ciencias Exactas. Departamento de Física; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Física La Plata. Universidad Nacional de La Plata. Facultad de Ciencias Exactas. Instituto de Física La Plata; Argentina. Universidad Nacional de La Plata. Facultad de Ciencias Exactas. Departamento de Matemáticas; Argentina

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APA 7

Plastino, Á. L. E. A. (2020). Approximate reformulation a recent non-renormalizable QFT's methodology and Einstein's gravity. http://hdl.handle.net/11336/146087

MLA

Plastino, Ángel Luis et al. "Approximate reformulation a recent non-renormalizable QFT's methodology and Einstein's gravity." 2020. http://hdl.handle.net/11336/146087.

Chicago

Plastino, Ángel Luis et al. 2020. "Approximate reformulation a recent non-renormalizable QFT's methodology and Einstein's gravity.". http://hdl.handle.net/11336/146087.

Harvard

Plastino, Á. L. E. A. 2020, Approximate reformulation a recent non-renormalizable QFT's methodology and Einstein's gravity, Scientific Research Publishing, available at: http://hdl.handle.net/11336/146087 [Accessed 8 Aug. 2026].

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Title
Approximate reformulation a recent non-renormalizable QFT's methodology and Einstein's gravity
Author / contributors
Plastino, Ángel Luis et al
Publisher
Scientific Research Publishing
Publication year
2020
ISSN
2380-4335
ISSN
2380-4335
Language
English

Subjects

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Quantum Field Theory; Einstein gravity; Non-renormalizable theories; Unitarity; https://purl.org/becyt/ford/1.3; https://purl.org/becyt/ford/1
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