Chiral active matter exhibits a variety of collective behaviors,including phase separation,which is governed by the rule of“like chiralities attract,while opposite chiralities repel”.In this work,we investigate the ...Chiral active matter exhibits a variety of collective behaviors,including phase separation,which is governed by the rule of“like chiralities attract,while opposite chiralities repel”.In this work,we investigate the chiral demixing strategy of double-chiral partial mixture with inter-chiral frustration.We find that the inter-chiral frustration can significantly enhance the chiral demixing of active particles with different chiralities,both during the transient and in the steady state,not only accelerating the progress,but also improving the degree of phase separation.This phenomenon is reminiscent of the phase separation of binary mixtures in condensed matter physics,where the inter-chiral frustration can play a crucial role in the formation of the phase-separated states.We construct the phase diagram of the system and discuss the critical frustration for the enhancement of chiral demixing.Our work presents the first systematic investigation of inter-chiral frustration in self-propelled chiral active matter,filling a critical gap in the field.展开更多
基金supported by the National Natural Science Foun-dation of China(Grant Nos.12375031 and 11875135)China National University Student Innovation and Entrepreneurship(Grant No.202410385040)Fujian University Alliance of Physics Discipline Training Program of Innovation for Under-graduates Development Program,China.
文摘Chiral active matter exhibits a variety of collective behaviors,including phase separation,which is governed by the rule of“like chiralities attract,while opposite chiralities repel”.In this work,we investigate the chiral demixing strategy of double-chiral partial mixture with inter-chiral frustration.We find that the inter-chiral frustration can significantly enhance the chiral demixing of active particles with different chiralities,both during the transient and in the steady state,not only accelerating the progress,but also improving the degree of phase separation.This phenomenon is reminiscent of the phase separation of binary mixtures in condensed matter physics,where the inter-chiral frustration can play a crucial role in the formation of the phase-separated states.We construct the phase diagram of the system and discuss the critical frustration for the enhancement of chiral demixing.Our work presents the first systematic investigation of inter-chiral frustration in self-propelled chiral active matter,filling a critical gap in the field.
