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arXiv 2201.05580hep-phquant-ph
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NSI能影响中微子振荡中的非定域关联吗?

Can NSI affect non-local correlations in neutrino oscillations?

Bhavna Yadav, Trisha Sarkar, Khushboo Dixit, Ashutosh Kumar Alok

摘要:

纠缠系统中的非定域关联通常通过贝尔不等式违反等措施来捕获。最近的研究表明,在中微子系统中,非局域量子相干性(NAQC)的优势的措施,可以被认为是一个更强的措施,非局域相关相比,贝尔不等式违反。本文分析了DUNE、MINOS、T2K、KamLAND、JUNO和大亚湾等实验装置中两种味中微子振荡的非标准相互作用(NSI)对这些测量的影响。我们发现,即使在NSI的存在下,贝尔的不平等违反发生在整个能量范围内,而NAQC违反观察到只有在一些特定的能量范围内证明更基本的功能NAQC。此外,我们发现,NSI可以提高违反NAQC和贝尔不等式参数在较高的能量范围内的一个给定的实验设置,这些增强是最大的KamLAND实验。然而,可能的增强违反贝尔不等式参数超过标准模型预测可以高达11%,而NAQC它是7%。因此,虽然NAQC是一个相对较强的见证非经典,它显示出较低的敏感性NSI效应相比,贝尔的不等式参数。

英文摘要:

Non-local correlations in entangled systems are usually captured by measures such as Bell's inequality violation. It was recently shown that in neutrino systems, a measure of non-local advantage of quantum coherence (NAQC) can be considered as a stronger measure of non-local correlations as compared to the Bell's inequality violation. In this work, we analyze the effects of non standard interaction (NSI) on these measures in the context of two flavour neutrino oscillations for DUNE, MINOS, T2K, KamLAND, JUNO and Daya Bay experimental set-ups. We find that even in the presence of NSI, Bell's inequality violation occurs in the entire energy range whereas the NAQC violation is observed only in some specific energy range justifying the more elementary feature of NAQC. Further, we find that NSI can enhance the violation of NAQC and Bell's inequality parameter in the higher energy range of a given experimental set-up; these enhancements being maximal for the KamLAND experiment. However, the possible enhancement in the violation of the Bell's inequality parameter over the standard model prediction can be up to 11% whereas for NAQC it is 7%. Thus although NAQC is a comparatively stronger witness of nonclassicality, it shows lesser sensitivity to NSI effects in comparison to the Bell's inequality parameter.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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