Matter in Electromagnetic Fields

Matter in Electromagnetic Fields
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电磁场中的物质

DOI:
10.1007/978-3-642-74685-7_31
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发表时间:
1989
期刊:
Biochimica et biophysica acta. Molecular basis of disease
影响因子:
--
通讯作者:
W. Brenig
W. Brenig
中科院分区:
--
文献类型:
--
作者:
W. Brenig

文献摘要

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电磁场和电流是耦合系统。电磁场影响带电粒子的运动,它们产生电磁场。系统的结构是这样的:哈密顿量可以(忽略所有细节和常数)符号化地写为H = H 00 − j · A。这里H 00是“裸”未微扰哈密顿量(粒子之间没有电磁相互作用),j和A是电流和矢势的四矢量。
Electromagnetic fields and currents are coupled systems. The electromagnetic field influences the motion of charged particles, and they produce the electromagnetic fields. The structure of the system is this: the Hamiltonian may be (neglecting all details and constants) symbolically written as H = H 00 − j · A. Here H 00 is the “bare” unperturbed Hamiltonian (without electromagnetic interactions between the particles), and j and A are the four-vectors of current and vector potential.