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Condensed Matter > Mesoscale and Nanoscale Physics
Title: Structural spillage: an efficient method to identify non-crystalline topological materials
(Submitted on 6 Jan 2023)
Abstract: While topological materials are not restricted to crystals, there is no efficient method to diagnose topology in non-crystalline solids such as amorphous materials. Here we introduce the structural spillage, a new indicator that predicts the unknown topological phase of a non-crystalline solid, which is compatible with first-principles calculations. We illustrate its potential with tight-binding and first-principles calculations of amorphous bismuth, predicting a bilayer to be a new topologically nontrivial material. Our work opens up the efficient prediction of non-crystalline solids via first-principles and high-throughput searches.
Submission history
From: Daniel Muñoz-Segovia [view email][v1] Fri, 6 Jan 2023 19:06:50 GMT (10362kb,D)
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