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| Main Authors: | , , |
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| Format: | Preprint |
| Published: |
2024
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2402.00112 |
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| _version_ | 1866910442579820544 |
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| author | Li, Alfred Rabitz, Herschel A. Lienhard, Benjamin |
| author_facet | Li, Alfred Rabitz, Herschel A. Lienhard, Benjamin |
| contents | Efficacious quantum information processing relies on extended coherence and precise control. Investigating the limitations surrounding quantum processors is vital for their advancement. In their operation, one challenge is inadvertent wave function collapse. Decoherence-free subspaces, theoretically capable of mitigating specific non unitary dynamics, present a promising avenue. However, our study unveils their inability to safeguard against spontaneous wave function collapse. Thus, the spontaneous-collapse rate becomes a critical limiting factor for quantum systems' physical coherence, restricting the options for maintaining coherence to active error correction. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2402_00112 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Decoherence-Free Subspaces Cannot Prevent the Collapse of Wave Functions Li, Alfred Rabitz, Herschel A. Lienhard, Benjamin Quantum Physics Efficacious quantum information processing relies on extended coherence and precise control. Investigating the limitations surrounding quantum processors is vital for their advancement. In their operation, one challenge is inadvertent wave function collapse. Decoherence-free subspaces, theoretically capable of mitigating specific non unitary dynamics, present a promising avenue. However, our study unveils their inability to safeguard against spontaneous wave function collapse. Thus, the spontaneous-collapse rate becomes a critical limiting factor for quantum systems' physical coherence, restricting the options for maintaining coherence to active error correction. |
| title | Decoherence-Free Subspaces Cannot Prevent the Collapse of Wave Functions |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2402.00112 |