Low-ground/High ground capacity regions analysis for Bosonic Gaussian Channels
Fuente:
arXiv
Gespeichert in:
| Hauptverfasser: | , , |
|---|---|
| Format: | Preprint |
| Veröffentlicht: |
2023
|
| Schlagworte: | |
| Online-Zugang: | |
| Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
| _version_ | 1866929515362516992 |
|---|---|
| author | Kianvash, Farzad Fanizza, Marco Giovannetti, Vittorio |
| author_facet | Kianvash, Farzad Fanizza, Marco Giovannetti, Vittorio |
| contents | We present a comprehensive characterization of the interconnections between single-mode, phaseinsensitive Gaussian Bosonic Channels resulting from channel concatenation. This characterization enables us to identify, in the parameter space of these maps, two distinct regions: low-ground and high-ground. In the low-ground region, the information capacities are smaller than a designated reference value, while in the high-ground region, they are provably greater. As a direct consequence, we systematically outline an explicit set of upper bounds for the quantum and private capacity of these maps, which combine known upper bounds and composition rules, improving upon existing results. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2306_16350 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Low-ground/High ground capacity regions analysis for Bosonic Gaussian Channels Kianvash, Farzad Fanizza, Marco Giovannetti, Vittorio Quantum Physics We present a comprehensive characterization of the interconnections between single-mode, phaseinsensitive Gaussian Bosonic Channels resulting from channel concatenation. This characterization enables us to identify, in the parameter space of these maps, two distinct regions: low-ground and high-ground. In the low-ground region, the information capacities are smaller than a designated reference value, while in the high-ground region, they are provably greater. As a direct consequence, we systematically outline an explicit set of upper bounds for the quantum and private capacity of these maps, which combine known upper bounds and composition rules, improving upon existing results. |
| title | Low-ground/High ground capacity regions analysis for Bosonic Gaussian Channels |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2306.16350 |