Journal
EUROPEAN PHYSICAL JOURNAL C
Volume 80, Issue 9, Pages -Publisher
SPRINGER
DOI: 10.1140/epjc/s10052-020-8325-8
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Funding
- JSPS [16K05331]
- ESIF, EU Operational Programme Research, Development and Education [CZ.02.2.69/0.0/0.0/16-027/0008465]
- Grants-in-Aid for Scientific Research [16K05331] Funding Source: KAKEN
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We study the quantum gravitational system coupled to a charged scalar, Dirac fermions, and electromagnetic fields. We use the exact or functional renormalization group equation to derive the effective action Gamma(0) by integrating the flow equation from the ultraviolet scale down to k = 0. The resulting effective action consists of local terms and nonlocal terms with unique coefficients.
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