Dimensionality crossover to a two-dimensional vestigial nematic state from a three-dimensional antiferromagnet in a honeycomb van der Waals magnet

The effects of fluctuations and disorder, which are substantially enhanced in reduced dimensionalities, can play a crucial role in producing non-trivial phases of matter such as vestigial orders characterized by a composite order parameter. However, fluctuation-driven magnetic phases in low dimensio...

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