Long-range order in the vision-cone XY model comes from the cone-lattice coupling, not from non-reciprocity, and a symmetric variant shows an order-by-disorder transition.
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The XY model with vision cone: non-reciprocal vs. reciprocal interactions
Long-range order in the vision-cone XY model comes from the cone-lattice coupling, not from non-reciprocity, and a symmetric variant shows an order-by-disorder transition.