违反洛伦兹背景下的标量光束传播

IF 2.8 3区物理与天体物理 Q2 PHYSICS, MULTIDISCIPLINARY

The European Physical Journal Plus Pub Date : 2025-04-22 DOI:10.1140/epjp/s13360-025-06262-8

C. A. Escobar, A. Martín-Ruiz, M. Mondragón, R. Jáuregui

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引用次数: 0

摘要

研究了以常数4向量为特征的非平凡时空背景下，孔径高斯光束和贝塞尔光束的传播特性。这样的4向量在时空中引入了一个特权方向，从而打破了洛伦兹不变性。用无质量标量场理论对标量光束进行建模，该理论对应于标准模型扩展的标量扇区。假设一个轴对称的违反洛伦兹的背景，我们采用格林函数方法研究特定输入场的传播场。我们研究了洛伦兹违反参数对光束强度和聚焦的影响。最后，我们讨论了在透明多铁性材料中的可能实现。

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Scalar beam propagation in a Lorentz-violating background

We investigate the propagation characteristics of apertured Gaussian and Bessel beams in a nontrivial spacetime background characterized by a constant 4-vector. Such 4-vector introduces a privileged direction in spacetime, thus breaking Lorentz invariance. The scalar beam is modeled by a massless scalar field theory, which corresponds to the scalar sector of the standard model extension. Assuming an axially symmetric Lorentz-violating background, we employ the Green’s function method to investigate the propagated field for particular input fields. We investigate the impact of the Lorentz-violating parameter upon the intensity and focalization of the beams. Finally, we discuss possible realizations in optically transparent multiferroic materials.

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来源期刊

The European Physical Journal Plus PHYSICS, MULTIDISCIPLINARY-

CiteScore

5.40

自引率

8.80%

发文量

1150

审稿时长

4-8 weeks

期刊介绍： The aims of this peer-reviewed online journal are to distribute and archive all relevant material required to document, assess, validate and reconstruct in detail the body of knowledge in the physical and related sciences. The scope of EPJ Plus encompasses a broad landscape of fields and disciplines in the physical and related sciences - such as covered by the topical EPJ journals and with the explicit addition of geophysics, astrophysics, general relativity and cosmology, mathematical and quantum physics, classical and fluid mechanics, accelerator and medical physics, as well as physics techniques applied to any other topics, including energy, environment and cultural heritage.