V2EX ultracold atoms

Ultracold Atoms

定义 Definition

ultracold atoms 指“超冷原子”:被冷却到极低温度(常见在微开尔文甚至纳开尔文量级)的原子体系。在这种条件下,原子的量子效应(如物质波、量子统计与相干性)会变得非常显著,常用于研究量子多体物理、精密测量与量子模拟等。

例句 Examples

Ultracold atoms are cooled with lasers in the lab.
超冷原子在实验室里常用激光来冷却。

By trapping ultracold atoms in an optical lattice, researchers can simulate complex quantum materials and study phase transitions.
通过把超冷原子囚禁在光学晶格中,研究人员可以模拟复杂的量子材料并研究相变。

发音 Pronunciation (IPA)

/ltrkold tmz/

词源 Etymology

**ultra-**(“极度、超出”)+ cold(“冷的”)组成 ultracold(“超冷的”),再加上 atoms(“原子”)。该搭配在现代物理语境中固定化,用来指代被冷却到接近绝对零度、以至于量子行为主导的原子气体或原子集合。

相关词 Related Words

文学与著作中的用例 Literary Works

  • BoseEinstein Condensation in Dilute Gases(Pethick & Smith):以超冷原子气体为核心对象,系统讲解玻色爱因斯坦凝聚等现象。
  • Ultracold Atoms in Optical Lattices: Simulating Quantum Many-Body Systems(Lewenstein 等):围绕光学晶格中的超冷原子,讨论量子模拟与多体物理。
  • Anderson et al., 1995(关于实现玻色爱因斯坦凝聚的经典论文):在超冷原子实验史上具有里程碑意义。
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