Majorana modes in long-range quantum spin models are mapped to knots and links, with eigenstate curves forming links in gapped phases and knots in gapless phases, characterized by crossing and linking numbers.
Carlstr¨ om, M Str¨ alhammar, J
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Knot Topology in Quantum Spin System
Majorana modes in long-range quantum spin models are mapped to knots and links, with eigenstate curves forming links in gapped phases and knots in gapless phases, characterized by crossing and linking numbers.