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Loop Quantum Gravity for newbies

by jokkon
Tags: gravity, loop, newbies, quantum
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atyy
#19
Oct26-09, 12:01 AM
Sci Advisor
P: 8,382
Quote Quote by John86 View Post
Can anyone give some more details !.
Quick pointer, many details are in the references of post #17. Asymptotic Safety is not emergent. However, the ideas of fundamental/emergent, and non-Gaussian fixed points come from Wilsonian renormalization whose first triumph was to solve the problem of universality at a critical point in condensed matter. Universality is the cool experimental observation that close to a second order phase transition, some "critical exponents" are the same for many different materials with completely different microscopic structures, as long as they share the same dimensionality.


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