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.
Novko, Excitons and optical response in the excitonic insulator candidate TiSe 2, Phys
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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.