Majorana zero modes in dislocations of Sr$_2$RuO$_4$
Taylor L. Hughes, Hong Yao, Xiao-Liang Qi
TL;DR
This paper explores how lattice dislocations in Sr$_2$RuO$_4$ can host Majorana zero modes, offering a novel method to detect topological superconductivity without magnetic fields.
Contribution
It demonstrates the potential of dislocations to realize Majorana zero modes in Sr$_2$RuO$_4$, providing new experimental signatures for topological superconductivity.
Findings
Dislocations can host Majorana zero modes at zero magnetic field.
Linked dislocation lines exhibit unique properties relevant to topological states.
Predicted experimental signatures can help identify the superconducting phase.
Abstract
We study the topologically protected Majorana zero modes induced by lattice dislocations in chiral topological superconductors. Dislocations provide a new way to realize Majorana zero modes at zero magnetic field. In particular, we study several different types of dislocations in the candidate material We also discuss the properties of linked dislocation lines and linked dislocation and flux lines. Various experimental consequences are predicted which provide a new approach to determine whether nature of the superconducting phase of
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