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| Main Authors: | , |
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| Format: | Preprint |
| Published: |
2025
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2504.19747 |
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| _version_ | 1866917379185836032 |
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| author | Kobayashi, Sora Kondo, Kei-Ichi |
| author_facet | Kobayashi, Sora Kondo, Kei-Ichi |
| contents | We examine the two-party perfect quantum teleportation of an unknown 1-qubit state in the case of sharing various 3-qubit entangled states between a sender and a receiver: GHZ state, W state and W-like state. We give an impossibility proof that the W state cannot be used as the sharing state to realize the perfect quantum teleportation for transmitting an arbitrary 1-qubit state, in sharp contrast with the GHZ state which is well known to realize the perfect quantum transportation. Moreover, we give a procedure of obtaining a modified entangled state which we call the W-like state to achieve the perfect quantum transportation under a prescribed measurement basis. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2504_19747 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Impossibility via W states and feasibility via W-like states for perfect quantum teleportation Kobayashi, Sora Kondo, Kei-Ichi Quantum Physics High Energy Physics - Theory We examine the two-party perfect quantum teleportation of an unknown 1-qubit state in the case of sharing various 3-qubit entangled states between a sender and a receiver: GHZ state, W state and W-like state. We give an impossibility proof that the W state cannot be used as the sharing state to realize the perfect quantum teleportation for transmitting an arbitrary 1-qubit state, in sharp contrast with the GHZ state which is well known to realize the perfect quantum transportation. Moreover, we give a procedure of obtaining a modified entangled state which we call the W-like state to achieve the perfect quantum transportation under a prescribed measurement basis. |
| title | Impossibility via W states and feasibility via W-like states for perfect quantum teleportation |
| topic | Quantum Physics High Energy Physics - Theory |
| url | https://arxiv.org/abs/2504.19747 |