Running of Newton's constant and noninteger powers of the d'Alembertian

The running of Newton's constant can be taken into account by considering covariant, nonlocal generalizations of the field equations of general relativity. These generalizations involve nonanalytic functions of the d'Alembertian, as (-□)-α, with α a noninteger number, and ln [-□]. In this...

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Autores principales: López Nacir, D., Mazzitelli, F.D.
Formato: JOUR
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_15507998_v75_n2_p_LopezNacir
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