Dynamical Coherence Measures
Fuente:
arXiv
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| Format: | Preprint |
| Publié: |
2024
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| _version_ | 1866914960449208320 |
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| author | Vershynina, Anna |
| author_facet | Vershynina, Anna |
| contents | We present three measures of the dynamical coherence of channels, which are the generalization of several previous results. The measures are based on the generalized distance function between channels, which for example could be the divergence or a trace-distance. Free operations are considered to be detection-incoherent, creation-incoherent, and detection-creation incoherent. Free superchannels can be expressed using free pre- and post-processing channels. The new measures are monotone under free superchannels and convex. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2401_07127 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Dynamical Coherence Measures Vershynina, Anna Mathematical Physics Quantum Physics We present three measures of the dynamical coherence of channels, which are the generalization of several previous results. The measures are based on the generalized distance function between channels, which for example could be the divergence or a trace-distance. Free operations are considered to be detection-incoherent, creation-incoherent, and detection-creation incoherent. Free superchannels can be expressed using free pre- and post-processing channels. The new measures are monotone under free superchannels and convex. |
| title | Dynamical Coherence Measures |
| topic | Mathematical Physics Quantum Physics |
| url | https://arxiv.org/abs/2401.07127 |