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Paper detail

Bianchi-I cosmology in quantum gravity

The exact renormalization group flow equations for gravity lead to quantum corrections of Newton's constant and cosmological constant. Using this we investigate the Bianchi-I cosmological model at late times. In particular, we obtain the scale factors in different directions, and observe that they eventually evolve into Friedmann-Lemaître-Robertson-Walker (FLRW) universe for radiation. However, for stiff matter the universe shows a Kasner like behaviour. The presentation is based on our work published in \cite{Mandal:2019xlg}.

preprint2022arXivOpen access
Sunandan GangopadhyayRituparna MandalAmitabha Lahiri
gr-qchep-th
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Sunandan GangopadhyayRituparna MandalAmitabha Lahiri

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