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Correcting the initial vacuum state in quantum gravity
Emre Kahya is a postdoc at Koc University, Turkey (he is a former graduate student of Richard Woodard). Dmitry.
Cosmology is becoming the most active area of research in theoretical physics for the last 10 years. We now understand that initial quantum fluctuations are reasons of our existence with in the context of Inflation. This brings the following question: Can we make quantum gravity calculations and expect to test them by some means? Naively one would say no. One reason is the smallness of the coupling constant:
quantum gravity effects have the order of magnitude ![0^{\rm th}{\rm Order} [1+\alpha_1 G + \alpha_2G^2 + ...]](http://www.nonequilibrium.net/latexrender/pictures/99bb619d901560bc9c639f1c44ea6834.gif "0^{\rm th}{\rm Order} [1+\alpha_1 G + \alpha_2G^2 + ...]")
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