Axion-polaritons in the magnetic dual chiral density wave phase of dense QCD
Axion-polaritons in the magnetic dual chiral density wave phase of dense QCD
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DOI：
10.1016/j.nuclphysb.2023.116307
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发表时间：
2020-10
影响因子：
2.8
通讯作者：
E. J. Ferrer;V. Incera
中科院分区：
文献类型：
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作者：
E. J. Ferrer;V. Incera
我们研究了稠密夸克物质的磁双手性密度波（MDCDW）相中电磁辐射的传播。考虑到这一阶段的低能涨落理论，我们展示了到达 MDCDW 介质的线偏振光子如何与涨落场耦合，产生两种混合的传播模式，我们称之为类似于凝聚态物理轴子极化激元中的类似现象，其中一种是无带隙的，另一种是有带隙的。带隙模式的带隙与背景磁场成正比，与不均匀凝聚体的振幅成反比。轴子极化子的产生可以追溯到低能涨落理论中手性反常的存在。考虑到 MDCDW 介质中的普里马科夫效应，我们认为轴子极化激元可以在受到来自伽马射线爆发的高能光子轰击的夸克星内部产生，并指出这种机制可以用来解释星系中心缺失的脉冲星悖论。
We investigate the propagation of electromagnetic radiation in the magnetic dual chiral density wave (MDCDW) phase of dense quark matter. Considering the theory of low-energy fluctuations in this phase, we show how linearly polarized photons reaching the MDCDW medium couple to the fluctuation field to produce two hybridized modes of propagation that we call in analogy with similar phenomenon in condensed matter physics axion polaritons, one of them being gapless and the other gapped. The gapped mode's gap is proportional to the background magnetic field and inversely proportional to the amplitude of the inhomogeneous condensate. The generation of axion polaritons can be traced back to the presence of the chiral anomaly in the low-energy theory of the fluctuations. Considering the Primakoff effect in the MDCDW medium, we argued that axion polaritons can be generated inside quark stars bombarded by energetic photons coming from gamma-ray bursts and point out that this mechanism could serve to explain the missing pulsar paradox in the galaxy center.