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1. • CommentRowNumber1.
   • CommentAuthorUrs
   • CommentTimeNov 27th 2024
   • PermaLink
   Author: Urs
   Format: MarkdownItexA bare minimum, for the moment just in order to make the link work at all. (And leaving much room for disambiguation.) <a href="https://ncatlab.org/nlab/revision/spectral+gap/1">v1</a>, <a href="https://ncatlab.org/nlab/show/spectral+gap">current</a>

   A bare minimum, for the moment just in order to make the link work at all.

   (And leaving much room for disambiguation.)

   v1, current

2. • CommentRowNumber2.
   • CommentAuthorUrs
   • CommentTimeNov 28th 2024
   • PermaLink
   Author: Urs
   Format: MarkdownItexadded a quick remark that "gapped Hamiltonians" are ubiquituous for single-atom systems, but the exception for many-body systems. <a href="https://ncatlab.org/nlab/revision/diff/spectral+gap/2">diff</a>, <a href="https://ncatlab.org/nlab/revision/spectral+gap/2">v2</a>, <a href="https://ncatlab.org/nlab/show/spectral+gap">current</a>

   added a quick remark that “gapped Hamiltonians” are ubiquituous for single-atom systems, but the exception for many-body systems.

   diff, v2, current