摘要: Qubit rotation Using qubit rotation example to understand basic syntax of pennylane, gradient descent. See this link for more details. import pennylan 阅读全文
posted @ 2024-05-29 21:54 narip 阅读(31) 评论(0) 推荐(0)
摘要: Werner state is all the quantum state commute with unitary group of form $U\otimes U$. We can write it with explicit matrix form by referring to Symme 阅读全文
posted @ 2022-11-08 21:44 narip 阅读(24) 评论(0) 推荐(0)
摘要: 公式编号问题 参考 阅读全文
posted @ 2022-11-08 18:52 narip 阅读(29) 评论(0) 推荐(0)
摘要: Refer to link. 阅读全文
posted @ 2022-11-01 21:01 narip 阅读(7) 评论(0) 推荐(0)
摘要: See this link. 阅读全文
posted @ 2022-10-29 15:14 narip 阅读(61) 评论(0) 推荐(0)
摘要: Classically mixed states. Refer to abstract of this paper. 阅读全文
posted @ 2022-10-22 18:23 narip 阅读(27) 评论(0) 推荐(0)
摘要: May refer to this paper. Note that generally for an algebra we also know it should have representation and irrep. 阅读全文
posted @ 2022-10-22 16:57 narip 阅读(19) 评论(0) 推荐(0)
摘要: Beam Splitter Useful links for beam splitter:https://en.wikipedia.org/wiki/Hong%E2%80%93Ou%E2%80%93Mandel_effect polarizing beam splitters(PBS) refer 阅读全文
posted @ 2022-10-21 16:52 narip 阅读(21) 评论(0) 推荐(0)
摘要: We talk about attainability of classical FIM, in the asymptotic limit, FIM can always be attained:https://en.wikipedia.org/wiki/Maximum_likelihood_est 阅读全文
posted @ 2022-10-16 22:46 narip 阅读(18) 评论(0) 推荐(0)
摘要: Also refer to wikipedia link, we have:${\displaystyle \mathbf {J} _{\mathbf {f} ^{-1}}={\mathbf {J} _{\mathbf {f} }}^{-1}.}$ 阅读全文
posted @ 2022-10-16 16:45 narip 阅读(51) 评论(0) 推荐(0)