Coherence measures and optimal conversion for coherent states
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arXiv
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| Hauptverfasser: | , , |
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| Format: | Preprint |
| Veröffentlicht: |
2015
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| _version_ | 1866912553436708864 |
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| author | Du, Shuanping Bai, Zhaofang Qi, Xiaofei |
| author_facet | Du, Shuanping Bai, Zhaofang Qi, Xiaofei |
| contents | We discuss a general strategy to construct coherence measures. One can build an important class of coherence measures which cover the relative entropy measure for pure states, the $l_1$-norm measure for pure states and the $α$-entropy measure. The optimal conversion of coherent states under incoherent operations is presented which sheds some light on the coherence of a single copy of a pure state. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_1504_02862 |
| institution | arXiv |
| publishDate | 2015 |
| record_format | arxiv |
| spellingShingle | Coherence measures and optimal conversion for coherent states Du, Shuanping Bai, Zhaofang Qi, Xiaofei Quantum Physics We discuss a general strategy to construct coherence measures. One can build an important class of coherence measures which cover the relative entropy measure for pure states, the $l_1$-norm measure for pure states and the $α$-entropy measure. The optimal conversion of coherent states under incoherent operations is presented which sheds some light on the coherence of a single copy of a pure state. |
| title | Coherence measures and optimal conversion for coherent states |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/1504.02862 |