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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/2512.15095 |
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| _version_ | 1866914205345513472 |
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| author | Ha, Donghoon Kim, Jeong San |
| author_facet | Ha, Donghoon Kim, Jeong San |
| contents | We consider the discrimination of two-party quantum states and provide a quantum data-hiding scheme using two-qubit separable states. We first provide a bound on the optimal local discrimination of two-party quantum states, and establish a sufficient condition under which a two-party quantum state ensemble can be used to construct a data-hiding scheme. We illustrate this condition with examples of two-qubit state ensembles consisting of two orthogonal separable states. As our data-hiding scheme can be implemented with separable states of the lowest possible dimension, its practical realization becomes significantly more attainable. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2512_15095 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Quantum data hiding with two-qubit separable states Ha, Donghoon Kim, Jeong San Quantum Physics We consider the discrimination of two-party quantum states and provide a quantum data-hiding scheme using two-qubit separable states. We first provide a bound on the optimal local discrimination of two-party quantum states, and establish a sufficient condition under which a two-party quantum state ensemble can be used to construct a data-hiding scheme. We illustrate this condition with examples of two-qubit state ensembles consisting of two orthogonal separable states. As our data-hiding scheme can be implemented with separable states of the lowest possible dimension, its practical realization becomes significantly more attainable. |
| title | Quantum data hiding with two-qubit separable states |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2512.15095 |