Zamolodchikov's c-theorem

correlation functions

• \(\langle T(z,\bar{z})T(0,0) \rangle =\frac{F(|z|^2)}{z^4}\)
• \(\langle \Theta(z,\bar{z})\Theta(0,0) \rangle =\frac{H(|z|^2)}{z^4}\)
• \(\langle T(z,\bar{z})\Theta(0,0) \rangle =\langle \Theta(z,\bar{z})T(0,0) \rangle \frac{G(|z|^2)}{z^3\bar{z}}\)

C-function

• \(C=2F-G-\frac{3}{8}H\)

UV-limit

\[ c=-\int_{0}^{\infty}dr \frac{2\dot{C}}{r}=\int_{0}^{\infty}dr \frac{3\dot{H}}{2r}=\frac{3}{2}\int_{0}^{\infty}dr r^3\langle \Theta(z,\bar{z})\Theta(0,0) \rangle \]

expositions

• http://physics.stackexchange.com/questions/143518/zamolodchikovs-c-theorem-paper

articles

• Becker, Daniel, and Martin Reuter. “Towards a \(C\)-Function in 4D Quantum Gravity.” arXiv:1412.0468 [hep-Th], December 1, 2014. http://arxiv.org/abs/1412.0468.

encyclopedia

• http://en.wikipedia.org/wiki/C-theorem

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