test
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Can I use ket $$\lvert\psi\rangle\langle\psi\lvert\\ \ket{\psi}\bra{\psi}$$
test.1786898904.md.gz ยท Last modified: by Ivan Janevski
Can I use ket $$\lvert\psi\rangle\langle\psi\lvert\\ \ket{\psi}\bra{\psi}$$