Field Operators in Real Space

Cederbaum Lorenz S.

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Field Operators in Real Space

机译：现实空间中的现场操作员

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Field operators are widely used in many-body theory of indistinguishable particles. In this work it is shown that these operators can be represented solely in position space. Explicit expressions for the field operators in position space are given. Using the derived expression, we further show how by generalizing operators in first quantization to arbitrary particle numbers, one can directly connect to the respective operators in second quantization. A few illustrative examples are also presented.

机译：场算子在不可分辨粒子的多体理论中被广泛使用。这项工作表明，这些算子可以仅在位置空间中表示。给出了位置空间中场算子的显式表达式。使用推导的表达式，我们进一步展示了如何通过将第一量化中的算子泛化为任意粒子数，可以直接连接到第二量化中的各个算子。还提供了一些说明性示例。

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《The journal of physical chemistry, A. Molecules, spectroscopy, kinetics, environment, & general theory》 |2016年第19期|共6页
作者
Cederbaum Lorenz S.;
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Field Operators in Real Space

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