Parametric co-linear axion photon instability
Parametric co-linear axion photon instability
复制标题
参数共线轴子光子不稳定性
DOI:
10.1016/j.physletb.2023.137759
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发表时间:
2023
影响因子:
4.4
通讯作者:
Beyer K
中科院分区:
文献类型:
--
作者:
Beyer K
Axions and axion-like particles generically couple to QED via the axion-photon-photon interaction. This leads to a modification of Maxwell's equations known in the literature as axion-electrodynamics. The new form of Maxwell's equations gives rise to a new parametric instability in which a strong pump decays into a scattered light wave and an axion. This axion mode grows exponentially in time and leads to a change in the polarisation of the initial laser beam, therefore providing a signal for detection. Currently operating laser systems can put bounds on the axion parameter space, however longer pulselengths are necessary to reach the current best laboratory bounds of light-shining through wall experiments.
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