Vacuum Polarization in a Zero-Range Potential Field

被引：5
|
作者：
Grats, Yu. V. [1 ]
机构：
[1] Moscow MV Lomonosov State Univ, Fac Phys, Moscow 119991, Russia
来源：
PHYSICS OF ATOMIC NUCLEI | 2019年 / 82卷 / 02期
关键词：
ENERGY;
D O I：
10.1134/S106377881902008X
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
The effects of vacuum polarization for a massless scalar field phi(x) in the vicinity of a pointlike source that has a zero-range potential are analyzed in four-dimensional Minkowski space. An exact expression for the regularized scalar-field Hadamard function is obtained by means of the technique of self-adjoint extensions, and the renormalized vacuum expectation values of the scalar field squared, phi(2) (x)(ren), and of the operator of the scalar-field energymomentum tensor, T(x)(ren), are calculated.
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页码：153 / 157
页数：5
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