✎ Gerbes [The Physics Travel Guide]

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====== Gerbes ======

<tabbox Why is it interesting?> 
<blockquote>Gerbes show up when we try to invent a kind of "higher gauge theory" that describes how not just point particles but 1-dimensional objects transform when you move them around. For example, the strings in string theory, or the loops in loop quantum gravity.<cite>http://www.math.ucr.edu/home/baez/week210.html</cite></blockquote>

<note tip>
Explanations in this section should contain no formulas, but instead colloquial things like you would hear them during a coffee break or at a cocktail party.
</note>
  
<tabbox Student>

<note tip>Gerbes are generalization of principal [[advanced_tools:fiber_bundles|bundles]].</note>

* http://www.math.ucr.edu/home/baez/week210.html
  * [[http://www.ams.org/notices/200302/what-is.pdf|What is a Gerbe?]] by Nigel Hitchin; see also the comment about it [[https://www.theguardian.com/education/2007/aug/21/highereducation.research|here]] and the discussion [[https://golem.ph.utexas.edu/category/2007/08/gerbes_in_the_guardian.html|here]].
 
<tabbox Researcher>

<note tip>
The motto in this section is: //the higher the level of abstraction, the better//.
</note>

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