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Cholesteric liquid crystals exhibit great morphological richness of staticmetastable states. Understanding the transitions between such states is key forthe development of switchable devices. We show, using a quasi-one-dimensionalmodel, that cholesterics exhibit distinct uniaxial and biaxial pathways betweendistinct minima. We study transitions between different layer numbers andprove, and show, that transition states are distinguished either throughsplay-mediated untwisting, understood through contact topology, or the presenceof biaxiality. Furthermore we characterise a menagerie of additional saddlepoints that dictate the connectivity of the solution landscape.

Uniaxial versus Biaxial Pathways in One-Dimensional Cholesteric Liquid Crystals