菜花状锋面的普遍性：从纳米级薄膜到宏观植物
Universality of cauliflower-like fronts: from nanoscale thin films to macroscopic plants
摘要：
化学气相沉积（CVD）是一种广泛使用的技术，用于生长具有精确控制层厚度和成分的固体材料。在质量传输受限的条件下，由此产生的薄膜的表面以不稳定的方式生长，形成类似于花椰菜植物的熟悉表面的典型图案。通过实验CVD生产的非晶氢化碳膜导致菜花状的前线，我们提供了一个定量评估的连续描述CVD界面生长。因此，我们确定非局部性，非保守性和随机性的主要一般机制控制这些无处不在的形状的形成。我们还表明，实际的花椰菜植物和燃烧锋的表面服从相同的标度律，证明了该理论的有效性超过7个数量级的长度尺度。因此，提供了一个理论上的理由，迄今为止仍然难以捉摸，为显着的相似性的纹理的表面发现的系统，在物理性质和典型的尺度有很大的不同。
英文摘要：
Chemical vapor deposition (CVD) is a widely used technique to grow solid materials with accurate control of layer thickness and composition. Under mass-transport-limited conditions, the surface of thin films thus produced grows in an unstable fashion, developing a typical motif that resembles the familiar surface of a cauliflower plant. Through experiments on CVD production of amorphous hydrogenated carbon films leading to cauliflower-like fronts, we provide a quantitative assessment of a continuum description of CVD interface growth. As a result, we identify non-locality, non-conservation, and randomness as the main general mechanisms controlling the formation of these ubiquitous shapes. We also show that the surfaces of actual cauliflower plants and combustion fronts obey the same scaling laws, proving the validity of the theory over seven orders of magnitude in length scales. Thus, a theoretical justification is provided, that had remained elusive thus far, for the remarkable similarity between the textures of surfaces found for systems that differ widely in physical nature and typical scales.
机构、总结、中文摘要均由AI分析而来，可能存在错误，请以论文正文为准。
