Chiral order in 2D nonreciprocal flocks is generically unstable and destroyed by defect proliferation, yielding spatiotemporally chaotic dynamics with a diverging correlation length as nonreciprocity vanishes.
We solve these equations numerically fors a 0,s b 0,θ b 0 and Ω by fixing θa 0 = 0 without loss of generality
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Breakdown of Emergent Chiral Order and Defect Chaos in Nonreciprocal Flocks
Chiral order in 2D nonreciprocal flocks is generically unstable and destroyed by defect proliferation, yielding spatiotemporally chaotic dynamics with a diverging correlation length as nonreciprocity vanishes.