Loop quantum gravity
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 Simple spin network of the type used in loop quantum gravity |
Loop quantum gravity (LQG) is a theory that describes the quantum properties of gravity. It is also a theory of quantum space and quantum time, because, as discovered with general relativity, the geometry of spacetime is a manifestation of gravity. LQG is an attempt to merge and adapt standard quantum mechanics and standard general relativity. The main output of the theory is a physical picture of space where space is granular. The granularity is a direct consequence of the quantization. It has the same nature of the granularity of the photons in the quantum theory of electromagnetism or the discrete levels of the energy of the atoms. But here it is space itself which is discrete.
- See also: Wikipedia
- Related: C*-algebra, Category theory, Double special relativity, Group field theory, Heyting algebra, Immirzi parameter, Invariance mechanics, Kodama state, Loop quantum cosmology, Noncommutative geometry, Regge calculus, S-knot, Spin foam, String-net, Supersymmetry, Topos theory
| "Loop Quantum Gravity" by Carlo Rovelli "Loop Quantum Gravity" by Carlo Rovelli cgpg.gravity.psu.edu/people/Ashtekar/articles/rovelli03.pdf - Web |
| Quantum Foam and Loop Quantum Gravity Quantum Foam and Loop Quantum Gravity universe-review.ca/R01-07-quantumfoam.htm - Web |
| Abhay Ashtekar: Semi-Popular Articles . Some excel... Abhay Ashtekar: Semi-Popular Articles . Some excellent popular articles suitable for beginners about space, time, GR, and LQG. cgpg.gravity.psu.edu/people/Ashtekar/articles.html - Web |
Gallery for «Loop quantum gravity»
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| Loop Quantum Gravity: Lee Smolin. Loop Quantum Gravity: Lee Smolin. www.edge.org/3rd_culture/smolin03/smolin03_index.html - Web |
| Loop Quantum Gravity on arxiv.org Loop Quantum Gravity on arxiv.org xstructure.inr.ac.ru/x-bin/theme3.py?level=2&index1=205615 - Web |
| A list of LQG references catered to fresh graduate... A list of LQG references catered to fresh graduates sps.nus.edu.sg/~wongjian/lqg.html - Web |
| Loop Quantum Gravity Lectures Online Loop Quantum Gravity Lectures Online www.perimeterinstitute.ca/.../ - Web |
| Spin networks, spin foams and loop quantum gravity Spin networks, spin foams and loop quantum gravity jdc.math.uwo.ca/spin-foams/ - Web |
| April 2006 Scientific American Special Issue, A Ma... April 2006 Scientific American Special Issue, A Matter of Time, has Lee Smolin LQG Article Atoms of Space and Time www.sciam.com/special/toc.cfm?issueid=40&sc=rt_nav_list - Web |
| Zeno meets modern science. Zeno meets modern science. uk.arxiv.org/abs/physics/0505042 - Web |
| Did pre-big bang universe leave its mark on the sk... Did pre-big bang universe leave its mark on the sky? space.newscientist.com/.../mg19826514.300-did-prebig-bang-universe-leave-its-mark-on-the-sky.html?feedId=online-news_rss20 - Web |
