Left handness in a four-level atomic system
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arXiv
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| Main Authors: | , |
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| Format: | Preprint |
| Published: |
2026
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| Subjects: | |
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| _version_ | 1866911637527592960 |
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| author | Zhao, Shuncai Liu, Zhengdong |
| author_facet | Zhao, Shuncai Liu, Zhengdong |
| contents | A scheme is proposed for realizing simultaneous negative permittivity and negative permeability based on quantum coherence in a four-level dense atomic system here.Under some parametric conditions the system shows that simultaneous negative permittivity and negative permeability(i.e.Left handness) can be achieved in a wider frequency band because of quantum coherence.And the novelty properties of gain and dispersion near the resonance frequency may have some potential applications. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2605_00077 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Left handness in a four-level atomic system Zhao, Shuncai Liu, Zhengdong Quantum Physics A scheme is proposed for realizing simultaneous negative permittivity and negative permeability based on quantum coherence in a four-level dense atomic system here.Under some parametric conditions the system shows that simultaneous negative permittivity and negative permeability(i.e.Left handness) can be achieved in a wider frequency band because of quantum coherence.And the novelty properties of gain and dispersion near the resonance frequency may have some potential applications. |
| title | Left handness in a four-level atomic system |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2605.00077 |