Basis-independent Coherence in Noninertial Frames
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arXiv
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| Format: | Preprint |
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2025
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| author | Fan, Ming-Ming Du Yi-Hao Li, Hong-Wei Shen, Shu-Ting Yan, Xiao-Jing Li, Xi-Yun Zhong, Wei Sheng, Yu-Bo Zhou, Lan |
| author_facet | Fan, Ming-Ming Du Yi-Hao Li, Hong-Wei Shen, Shu-Ting Yan, Xiao-Jing Li, Xi-Yun Zhong, Wei Sheng, Yu-Bo Zhou, Lan |
| contents | We investigate the behavior of basis-independent quantum coherence between two modes of a free Dirac field as observed by relatively accelerated observers. Our findings reveal three key results: (i) the basis-independent coherence between modes A and BI decreases with increasing acceleration but remains finite even in the limit of infinite acceleration; (ii) at zero acceleration, the coherence between modes $A$ and $B_II$ is nonzero contrasting with the behavior of basis-dependent coherence, which typically vanishes in this case; and (iii) the basis-independent coherence between modes BI and BII remains constant regardless of acceleration, exhibiting a freezing phenomenon. These results demonstrate the intrinsic robustness of basis-independent coherence under Unruh effects. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2510_11329 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Basis-independent Coherence in Noninertial Frames Fan, Ming-Ming Du Yi-Hao Li, Hong-Wei Shen, Shu-Ting Yan, Xiao-Jing Li, Xi-Yun Zhong, Wei Sheng, Yu-Bo Zhou, Lan Quantum Physics High Energy Physics - Theory We investigate the behavior of basis-independent quantum coherence between two modes of a free Dirac field as observed by relatively accelerated observers. Our findings reveal three key results: (i) the basis-independent coherence between modes A and BI decreases with increasing acceleration but remains finite even in the limit of infinite acceleration; (ii) at zero acceleration, the coherence between modes $A$ and $B_II$ is nonzero contrasting with the behavior of basis-dependent coherence, which typically vanishes in this case; and (iii) the basis-independent coherence between modes BI and BII remains constant regardless of acceleration, exhibiting a freezing phenomenon. These results demonstrate the intrinsic robustness of basis-independent coherence under Unruh effects. |
| title | Basis-independent Coherence in Noninertial Frames |
| topic | Quantum Physics High Energy Physics - Theory |
| url | https://arxiv.org/abs/2510.11329 |