
n. [高能] 瞬子
Our result shows that after considering the direct instanton effect, the mass of glueball is greatly reduced.
结果显示在考虑了瞬子效应后,胶球的质量被大大降低。
The quantum tunneling of a vortex in an annular Josephson junction is investigated by using the periodic instanton method.
利用周期瞬子方法从理论上研究了环状偏流约瑟夫森结中的单个涡旋隧穿特性。
The effect of the external magnetic field on macroscopic quantum tunneling in biaxial single domain antiferromagnetic particles is stu***d with the help of the instanton method.
用瞬子方法研究了外加磁场对单畴双轴反铁磁颗粒宏观量子效应的影响。
First we review our tools which will be used in our research. After a detailed introduction to the QCD sum rules approach in Chapter 2, we review the basic concepts of instanton physics.
本文分为两个部分,首先是我们所采用的研究方法的介绍,包括第二章对QC D求和规则的详细介绍以及第三章对瞬子物理基本概念的介绍。
Instanton(瞬子) 是理论物理学和数学物理中的一个重要概念,特指在经典场论中具有非平凡拓扑性质的有限作用量解。它描述了量子理论中不同经典真空态之间的隧穿效应,对理解非微扰量子现象至关重要。
1975年,Belavin等人首次在杨-米尔斯理论中发现瞬子解(现称BPST瞬子),开启了拓扑规范场论研究 。't Hooft后续工作揭示了其对量子反常的核心作用 。
参考文献
Princeton University. Topological Solitons. https://press.princeton.edu/books/hardcover/9780691144600/topological-solitons
Cambridge Monographs on Mathematical Physics. Instantons and Solitons. https://www.cambridge.org/core/books/instantons-and-solitons/
Reviews of Modern Physics. "θ-Vacua in Gauge Theories" (1980). https://journals.aps.org/rmp/abstract/10.1103/RevModPhys.52.453
Institute for Advanced Study. "String Theory and Instantons". https://www.ias.edu/scholars/edward-witten
“Instanton”是理论物理中的专业术语,主要指一种特殊的经典解,其含义和应用可归纳如下:
Instanton(瞬子)是量子力学或量子场论中的非微扰解,属于经典场方程的有限作用量解。它描述了量子隧穿效应中的瞬态过程,常被用于连接不同拓扑结构的真空态。
若需进一步了解数学形式或具体案例,可参考量子场论相关文献或专业物理教材。
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