Electrons in an eccentric background field

Electrons in an eccentric background field
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偏心背景场中的电子

DOI:
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发表时间:
2017
期刊:
影响因子:
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通讯作者:
D. McMullan
D. McMullan
中科院分区:
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文献类型:
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作者:
M. Lavelle;D. McMullan

文献摘要

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本文描述了电子在椭圆极化平面波背景中的传播,其中包括圆极化和线极化的特殊情况。我们计算的所有订单在背景领域的两点函数,并将其与文献中发现的各种表达式。背景场引起的电子质量移动示出在全椭圆类极化无关。本文讨论了费米子理论中这种质量移动的矩阵性质。在何种程度上的动量空间描述是可能的,这个系统是澄清。
We present a description of electrons propagating in an elliptically polarised plane wave background which includes circular and linear polarisations as special cases. We calculate to all orders in the background field the two point function and relate it to various expressions found in the literature. The background field induced mass shift of the electron is shown to be polarisation independent in the full elliptic class. The matrix nature of this mass shift in the fermionic theory is discussed. The extent to which a momentum space description is possible for this system is clarified.