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arXiv 0812.0668hep-phhep-th
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强laser场作为基础物理学的探测器

Strong laser fields as a probe for fundamental physics

Holger Gies

备注：
7 pages, Key Lecture at the ELI Workshop and School on "Fundamental Physics with Ultra-High Fields", 9 September - 2 October 2008 at Frauenworth Monastery, Germany
发表信息：
Eur.Phys.J.D55:311-317,2009
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摘要：

即将到来的高强度激光系统将能够探测电动力学的量子诱导非线性区域。到目前为止，尚未观测到的QED现象，如发现量子真空对宏观电磁场的非线性响应，可以变得容易理解。此外，这种激光系统为研究基础物理提供了灵活的工具。主要目标是验证迄今为止未观察到的QED现象。此外，强场实验可以寻找新的光，但弱相互作用的自由度，因此补充加速器驱动的实验。我回顾了这一领域的最新进展，重点是强电磁场中的光子实验。粒子物理学候选者与光子和外部场的相互作用可以通过低能有效作用来参数化，并且通常预测特征光学特征。我执行第一次估计的可访问的新物理参数空间的高强度激光设施，如POLARIS和ELI。

英文摘要：

Upcoming high-intensity laser systems will be able to probe the quantum-induced nonlinear regime of electrodynamics. So far unobserved QED phenomena such as the discovery of a nonlinear response of the quantum vacuum to macroscopic electromagnetic fields can become accessible. In addition, such laser systems provide for a flexible tool for investigating fundamental physics. Primary goals consist in verifying so far unobserved QED phenomena. Moreover, strong-field experiments can search for new light but weakly interacting degrees of freedom and are thus complementary to accelerator-driven experiments. I review recent developments in this field, focusing on photon experiments in strong electromagnetic fields. The interaction of particle-physics candidates with photons and external fields can be parameterized by low-energy effective actions and typically predict characteristic optical signatures. I perform first estimates of the accessible new-physics parameter space of high-intensity laser facilities such as POLARIS and ELI.

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