Zobrazeno 1 - 6
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pro vyhledávání: '"Slade, Zoë H."'
Autor:
Slade, Zoë H.
This thesis is devoted to exploring various fundamental issues within asymptotic safety. Firstly, we study the reconstruction problem and present two ways in which to solve it within the context of scalar field theory, by utilising a duality relation
Externí odkaz:
http://arxiv.org/abs/1812.07039
Publikováno v:
Phys. Rev. D 95, 106010 (2017)
We explain how to find the asymptotic form of fixed point solutions in functional truncations, in particular $f(R)$ approximations. We find that quantum fluctuations do not decouple at large $R$, typically leading to elaborate asymptotic solutions co
Externí odkaz:
http://arxiv.org/abs/1704.08873
Publikováno v:
Phys. Rev. D 94, 124014 (2016)
The $\mathcal{O}(\partial^2)$ background independent flow equations for conformally reduced gravity are shown to be equivalent to flow equations naturally adapted to scalar field theory with a wrong sign kinetic term. This sign change is shown to hav
Externí odkaz:
http://arxiv.org/abs/1605.07636
Publikováno v:
Phys. Rev. D 94, 024007 (2016)
Within the derivative expansion of conformally reduced gravity, the modified split Ward identities are shown to be compatible with the flow equations if and only if either the anomalous dimension vanishes or the cutoff profile is chosen to be power l
Externí odkaz:
http://arxiv.org/abs/1603.04772
Autor:
Morris, Tim R., Slade, Zoë H.
Starting from a full renormalised trajectory for the effective average action (a.k.a. infrared cutoff Legendre effective action) $\Gamma_k$, we explicitly reconstruct corresponding bare actions, formulated in one of two ways. The first step is to con
Externí odkaz:
http://arxiv.org/abs/1507.08657