Molecular dynamics simulations reveal that the CDW in monolayer TiSe2 melts via a two-step fluctuation regime with defects and domain walls, while anisotropic thermal fluctuations spontaneously stabilize an asymmetric 3Q chiral CDW with C2 symmetry.
Rossnagel, On the origin of charge-density waves in select layered transition-metal dichalcogenides, Journal of Physics: Condensed Matter23, 213001 (2011)
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Fluctuation-driven multi-step charge density wave transition in monolayer TiSe$_2$
Molecular dynamics simulations reveal that the CDW in monolayer TiSe2 melts via a two-step fluctuation regime with defects and domain walls, while anisotropic thermal fluctuations spontaneously stabilize an asymmetric 3Q chiral CDW with C2 symmetry.