通过非保守三体声学相互作用进行结构选择
Structure Selection by Non-Conservative 3-Body Acoustic Interactions
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中文总结 AI 辅助
研究通过在声学悬浮三粒子系统中结合实验与模拟，调整保守与非保守力场强度，发现非保守多体力可促进稳定静态结构，是驱动耗散物质中静态结构选择的机制。
中文摘要 AI 辅助
非保守多体相互作用通常与驱动的、场介导系统中的不稳定性和活性相关。本文表明它们也能促进稳定的静态结构。在一个最小的声学悬浮三粒子系统中结合实验与模拟，我们调整力场中保守和非保守贡献的相对强度。保守分量倾向于对称平衡构型，而非保守三体贡献选择了扁平等腰三角形。我们的结果确定非保守多体力是在没有有效能量景观的驱动耗散物质中静态结构选择的一种机制。
英文摘要
Non-conservative multi-body interactions are typically associated with instabilities and activity in driven, field-mediated systems. Here we show that they can also promote stable static structures. Combining experiments and simulations in a minimal, acoustically levitated three-particle system, we tune the relative strength of conservative and non-conservative contributions to the force field. The conservative component favors a symmetric equilibrium configuration, whereas the non-conservative 3-body contribution selects a flattened isosceles triangle. Our results identify non-conservative multi-body forces as a mechanism for static structure selection in driven-dissipative matter in the absence of an effective-energy landscape.
