Matches in SemOpenAlex for { <https://semopenalex.org/work/W2508220498> ?p ?o ?g. }
- W2508220498 abstract "We study a generalization of the $XY$ model with an additional nematic-like term through extensive numerical simulations and finite-size techniques, both in two and three dimensions. While the original model favors local alignment, the extra term induces angles of $2ensuremath{pi}/q$ between neighboring spins. We focus here on the $q=8$ case (while presenting new results for other values of $q$ as well) whose phase diagram is much richer than the well-known $q=2$ case. In particular, the model presents not only continuous, standard transitions between Berezinskii-Kosterlitz-Thouless (BKT) phases as in $q=2$, but also infinite-order transitions involving intermediate, competition-driven phases absent for $q=2$ and 3. Besides presenting multiple transitions, our results show that having vortices decoupling at a transition is not a sufficient condition for it to be of BKT type." @default.
- W2508220498 created "2016-09-16" @default.
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- W2508220498 date "2016-09-30" @default.
- W2508220498 modified "2023-09-26" @default.
- W2508220498 title "Competing nematic interactions in a generalized<mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML><mml:mrow><mml:mi>X</mml:mi><mml:mi>Y</mml:mi></mml:mrow></mml:math>model in two and three dimensions" @default.
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- W2508220498 doi "https://doi.org/10.1103/physreve.94.032140" @default.
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