标题： 手性液晶中交叉耦合传输的对称性与热力学边界 显示英文标题

标题： Symmetry and Thermodynamic Bounds on Cross-Coupling Transport in Chiral Liquid Crystals

摘要： 我们重新表述了描述由热、电荷和质量传输驱动的手性液晶中动态交叉耦合的Leslie效应。 在线性响应框架中，通过用Q张量表示向列相来扩展Ericksen-Leslie模型。 随后，应用热力学不确定性关系来确定Leslie交叉耦合系数的上限。 我们发现交叉耦合系数依赖于标量序参量，并在各向同性相中消失。 此外，相的螺旋性允许由平行于指向矢的传输电流产生的扭矩。 根据最近的实验观察， calamitic 液晶中Leslie热流体动力学和热机械系数的相互符号可能相反。 我们的模型适用于热、化学和电的Leslie效应。 目前的论点表明，一种共同的基本原理可能支配由手性声子引起的手性固体晶体中的Leslie效应和热Edelstein效应。 显示英文摘要

摘要： We reformulate the Leslie effects that describe the dynamic cross-couplings in chiral liquid crystals driven by the transport of heat, electric charge, and mass. The Ericksen--Leslie model is extended in the linear response framework by representing nematic order with the Q-tensor. Subsequently, the thermodynamic uncertainty relation is applied to identify the upper bounds of the Leslie cross-coupling coefficients. We reveal that the cross-coupling coefficients are dependent on the scalar order parameter and vanish in the isotropic phase. In addition, the chirality of the phase allows torque induced by a transport current parallel to the director. The mutual signs of the Leslie thermohydrodynamic and thermomechanical coefficients are likely to be opposite in calamitic liquid crystals, as suggested by recent experimental observations. Our model is applicable to the thermal, chemical, and electrical Leslie effects. The present arguments suggest that a common underlying principle may govern both the Leslie effects and the thermal Edelstein effect in chiral solid crystals attributed to chiral phonons.