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Results tagged with quantum-information
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user 65334
Quantum information is the study of the informational content of quantum states. The most common object of study is the "qubit", the information in a two-state quantum system such as spin-1/2 or photon polarization.
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Density matrix of a single qubit as a function of its Stokes Parameters
$\newcommand{\bra}[1]{\left\langle#1\right|}
\newcommand{\ket}[1]{\left|#1\right\rangle}
\newcommand{\prom}[1]{\langle{#1}\rangle}
\newcommand{\matrixel}[3]{\bra{#1}{#2}\ket{#3}}$
How can I prove tha …
