derwind https://blog.hatena.ne.jp/derwind/ らんだむな記憶 https://randommemory.hatenablog.com/ physics quantum_computing Dirac 作用素\begin{align*} H = -i \hbar c \sum_{i=1}^3 \alpha_i \frac{\del}{\del x_i} + \beta mc^2 \end{align*}を考える時、行列係数は標準的なものとしては、\begin{align*} \alpha_i = \begin{pmatrix} \mathbf{0} & \sigma_i \\ \sigma_i & \mathbf{0} \end{pmatrix},\ i = 1, 2, 3 \end{align*}と\begin{align*} \beta = \begin{pmatrix} \… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Frandommemory.hatenablog.com%2Fentry%2F2021%2F07%2F24%2F212603" title="Pauli 行列と量子ビット - らんだむな記憶" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2021-07-24 21:26:03 rich https://randommemory.hatenablog.com/entry/2021/07/24/212603 1.0 100%