theories:speculative_theories:string-net_unification
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theories:speculative_theories:string-net_unification [2017/10/20 13:52] jakobadmin ↷ Page moved from advanced_notions:string-net_unification to bsm:string-net_unification |
theories:speculative_theories:string-net_unification [2018/03/26 15:05] (current) jakobadmin [Concrete] |
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| ====== String-Net Unification ====== | ====== String-Net Unification ====== | ||
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| - | <tabbox Why is it interesting?> | + | <tabbox Intuitive> |
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| - | <tabbox Layman> | + | |
| - | <blockquote>We like to point out that the string-net unification of gauge bosons and fermions is very different from the [[bsm:string_theory|superstring theory]] for gauge bosons and fermions. In the string-net theory, gauge bosons and fermions come from the qubits that form the space, and “string-net” is simply the name that describe how qubits are organized in the ground state. So string-net is not a thing, but a pattern of qubits. In the string-net theory, the gauge bosons are waves of collective fluctuations of the string-nets, and a fermion corresponds to one end of string. In contrast, gauge bosons and fermions come from strings in the superstring theory. Both gauge bosons and fermions correspond to small pieces of strings. Different vibrations of the small pieces of strings give rise to different kind of particles. The fermions in the superstring theory are put in by hand through the introduction of Grassmann fields. | + | <blockquote>We like to point out that the string-net unification of gauge bosons and fermions is very different from the [[theories:speculative_theories:string_theory|superstring theory]] for gauge bosons and fermions. In the string-net theory, gauge bosons and fermions come from the qubits that form the space, and “string-net” is simply the name that describe how qubits are organized in the ground state. So string-net is not a thing, but a pattern of qubits. In the string-net theory, the gauge bosons are waves of collective fluctuations of the string-nets, and a fermion corresponds to one end of string. In contrast, gauge bosons and fermions come from strings in the superstring theory. Both gauge bosons and fermions correspond to small pieces of strings. Different vibrations of the small pieces of strings give rise to different kind of particles. The fermions in the superstring theory are put in by hand through the introduction of Grassmann fields. |
| <cite>https://arxiv.org/pdf/1709.03824.pdf</cite></blockquote> | <cite>https://arxiv.org/pdf/1709.03824.pdf</cite></blockquote> | ||
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| - | <tabbox Student> | + | <tabbox Concrete> |
| + | A nice summary of papers, together with short comments can be found here: | ||
| - | <note tip> | + | * http://dao.mit.edu/~wen/pub/cosmos.html |
| - | In this section things should be explained by analogy and with pictures and, if necessary, some formulas. | + | |
| - | </note> | + | A good textbook on String-Net-Unification is |
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| - | <tabbox Researcher> | + | * Quantum Field Theory of Many‑Body Systems by Xiao-Gang Wen |
| + | <tabbox Abstract> | ||
| <note tip> | <note tip> | ||
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| </note> | </note> | ||
| - | --> Common Question 1# | ||
| - | + | <tabbox Why is it interesting?> | |
| - | <-- | + | String-net unification is a proposed theory of everything. It's unique selling point is that in this framework fermions, gauge bosons and [[advanced_tools:gauge_symmetry|gauge symmetry]] itself are only [[advanced_notions:emergence|emergent]] properties of an underlying "string-net condensate". |
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| - | --> Common Question 2# | + | |
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| - | + | ||
| - | <-- | + | |
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| - | <tabbox Examples> | + | |
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| - | --> Example1# | + | |
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| - | + | ||
| - | <-- | + | |
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| - | --> Example2:# | + | |
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| - | + | ||
| - | <-- | + | |
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| - | <tabbox History> | + | |
| </tabbox> | </tabbox> | ||
theories/speculative_theories/string-net_unification.1508500343.txt.gz · Last modified: 2017/12/04 08:01 (external edit)
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