Long-Range Order and Directional Defect Propagation in the Nonreciprocal XY Model with Vision Cone Interactions

• Published in: Physical review letters Vol. 130; no. 19; p. 198301
• Main Authors: Loos, Sarah A M, Klapp, Sabine H L, Martynec, Thomas
• Format: Journal Article
• Language: English
• Published: United States 12.05.2023

We study a two-dimensional, nonreciprocal XY model, where each spin interacts only with its nearest neighbors in a certain angle around its current orientation, i.e., its "vision cone." Using energetic arguments and Monte Carlo simulations, we show that a true long-range ordered phase emer...