紧尺寸模型中富勒-伦德勒真空的极化

IF 0.5 4区 物理与天体物理 Q4 PHYSICS, MULTIDISCIPLINARY Journal of Contemporary Physics (Armenian Academy of Sciences) Pub Date : 2023-09-04 DOI:10.54503/18291171-2023.16.2-83
V. Kotanjyan
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引用次数: 0

摘要

研究了环向紧化的伦德勒时空中带电标量场的场平方期望值。比较了Fulling-Rindler真空和Minkowski真空的期望值。对于场算子沿紧维的周期性条件下的一般相位,给出了这些期望值之差的积分表示。磁场平方的真空期望值是紧化尺寸包围的磁通量的一个偶周期函数。给出了在伦德勒视界附近和小加速度下的简单渐近表达式。我们证明了Fulling-Rindler真空的平均场平方小于Minkowski真空的期望值。
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Polarization of the Fulling-Rindler Vacuum in Models with Compact Dimensions
We investigate the expectation value of the field squared for a charged scalar field in the Rindler spacetime with toroidally compact dimensions. The expectation values are compared for the Fulling-Rindler and Minkowski vacua. For general phases in the periodicity conditions on the field operator along compact dimensions, integral representations are provided for the difference of those expectation values. The vacuum expectation value of the field squared is an even periodic function of the magnetic flux enclosed by compact dimensions. Simple asymptotic expressions are given near the Rindler horizon and for small accelerations. We show that the mean field squared in the Fulling-Rindler vacuum is smaller than the respective expectation value for the Minkowski vacuum.
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来源期刊
CiteScore
1.00
自引率
66.70%
发文量
43
审稿时长
6-12 weeks
期刊介绍: Journal of Contemporary Physics (Armenian Academy of Sciences) is a journal that covers all fields of modern physics. It publishes significant contributions in such areas of theoretical and applied science as interaction of elementary particles at superhigh energies, elementary particle physics, charged particle interactions with matter, physics of semiconductors and semiconductor devices, physics of condensed matter, radiophysics and radioelectronics, optics and quantum electronics, quantum size effects, nanophysics, sensorics, and superconductivity.
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