V2EX energy landscape

Energy Landscape

释义 Definition

“Energy landscape”(能量景观/能量地形)指用“地形图”的比喻来描述一个系统在不同构型(状态)下的能量分布:哪里是“低谷”(更稳定的状态、能量最低点),哪里是“山脊/障碍”(能量势垒,决定状态之间转换的难易)。常见于物理、化学、材料科学与蛋白质折叠等领域。日常语境中也可引申为“各种选择与代价构成的整体局面”。

发音 Pronunciation (IPA)

/nrdi lndskep/

例句 Examples

The protein folds by moving downhill on its energy landscape.
蛋白质通过在其能量景观上“向下滑落”而折叠到更稳定的结构。

In complex materials, a rugged energy landscape can trap the system in many metastable states, slowing relaxation and making behavior history-dependent.
在复杂材料中,崎岖的能量景观可能把系统困在许多亚稳态里,从而减慢弛豫过程,并使其行为依赖于历史路径。

词源 Etymology

energy 源自希腊语 energeia(“活动、作用”),经拉丁语与法语进入英语;landscape 原指“风景/地貌”,来自荷兰语 landschap(“土地的样貌”)。二者组合形成隐喻:把“能量随状态变化的结构”想象成可攀爬与下滑的地形,用以直观表达稳定性(低谷)与转变障碍(山口/山脊)。

相关词 Related Words

文学与著作 Literary Works

  • David J. Wales, Energy Landscapes: Applications to Clusters, Biomolecules and Glasses(专著,系统阐述能量景观方法)
  • Ken A. Dill & Sarina Bromberg, Molecular Driving Forces(教材/专著,讨论蛋白质折叠与自由能景观思想)
  • Peter G. Wolynes 等关于“蛋白质折叠能量景观/漏斗模型(energy landscape/funnel)”的经典论文与综述(学术文献中高频出现该术语)
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