Condensed Matter > Mesoscale and Nanoscale Physics
[Submitted on 21 Feb 2024 (v1), last revised 16 May 2024 (this version, v4)]
Title:Absence of localization in Weyl semimetals
View PDF HTML (experimental)Abstract:One of the fundamental facts of condensed matter physics is that sufficient amount of disorder always turns a Fermi liquid metal into an Anderson insulator: a compressible, but non-conducting phase of matter. Recently, topological semimetals have emerged as another way a metallic phase may be realized. In this paper we point out that, unlike ordinary metals, at least some topological semimetals are immune to localization, provided certain conditions are satisfied. We present several physical arguments, based on diagrammatic perturbation theory and Keldysh field theory, as well as domain wall network construction, to back up this claim.
Submission history
From: Anton Burkov [view email][v1] Wed, 21 Feb 2024 19:00:03 UTC (148 KB)
[v2] Mon, 26 Feb 2024 15:32:34 UTC (148 KB)
[v3] Sat, 2 Mar 2024 20:01:47 UTC (148 KB)
[v4] Thu, 16 May 2024 14:41:10 UTC (148 KB)
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