Long-Range Order and Directional Defect Propagation in the Nonreciprocal <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi mathvariant="italic">XY</mml:mi></mml:mrow></mml:math> Model with Vision Cone Interactions
Physical review letters