C, P, and T of Braid Excitations in Quantum Gravity (Song He, Yidun Wan)

In summary: Well, it's true that the subject of braid matter is not much discussed. It's an open question what is meant by "matter" in this context. We have some clues though:1. In the abstract it says "matter may be emergent degrees of freedom of a quantum theory of gravity." This is pretty vague and general, but it is a start.2. A bit later it says "We study simple braids made up of two nodes which share three edges, which are possibly braided and twisted. We find three classes of such braids, those which both interact and propagate, those that only propagate, and the majority that do neither. These braids may serve as fundamental matter content."
  • #36
Kea said:
No, thank you for your interest, Careful. Of course, I try to write and publish stuff, but I'm a terrible writer and it is hard to find people (referees) who actually make an effort to read it. As you say, they think it's all just crazy.

Well, as long as you know exactly what you want, it is always possible to write a mathematically consistent paper (at least then we know it is clever craziness :-) ) and math journals are much more tolerant towards limited exotism if at least the formal part of it is interesting and well written. For example Connes has published all his NCG ideas in math journals until recently when it became crystal clear it had something to do with physics :-)
 
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  • #37
Let's not get off topic. I just saw a very nice PI lecture on American Pragmatism by the philosopher Misak, including questions and comments by Smolin, Lisi, Harvey Brown, Lucien Hardy, Chris Fuchs and others. Available at:

http://pirsa.org/08050041/

It might help explain our superquantum point of view on gravity. Note the comment at the end regarding the distributive law and the possibility of giving up classical logic in theory.
 

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