Modified gravity from the nonperturbative quantization of a metric

Burkhard Kleihaus; Jutta Kunz; Vladimir Dzhunushaliev; Vladimir Folomeev

arxiv: 1501.00886 · v2 · pith:IXVFKQEBnew · submitted 2015-01-05 · 🌀 gr-qc · hep-th

Modified gravity from the nonperturbative quantization of a metric

Vladimir Dzhunushaliev , Vladimir Folomeev , Burkhard Kleihaus , Jutta Kunz This is my paper

classification 🌀 gr-qc hep-th

keywords metricexpectationgravitymodifiedorderquantumvalueaccuracy

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Based on certain assumptions for the expectation value of a product of the quantum fluctuating metric at two points, the gravitational and scalar field Lagrangians are evaluated. Assuming a vanishing expectation value of the first order terms of the metric, the calculations are performed with an accuracy of second order. It is shown that such quantum corrections give rise to modified gravity.

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