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Fix small error #3115

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Fix small error #3115

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ce02928
Fixed generally incorrect statement about correlation.
asorini May 12, 2025
88f5d09
fix spacing
asorini May 12, 2025
d1a9aed
do escapes right
asorini May 12, 2025
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2 changes: 1 addition & 1 deletion docs/guides/hello-world.ipynb
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Expand Up @@ -208,7 +208,7 @@
"<Admonition type=\"note\" title=\"Operator Notation\">\n",
"Here, something like the `ZZ` operator is a shorthand for the tensor product $Z\\otimes Z$, which means measuring Z on qubit 1 and Z on qubit 0 together, and obtaining information about the correlation between qubit 1 and qubit 0. Expectation values like this are also typically written as $\\langle Z_1 Z_0 \\rangle$.\n",
"\n",
"If the state is entangled, then the measurement of $\\langle Z_1 Z_0 \\rangle$ should be 1.\n",
"If the state is entangled, then the measurement of $\\langle Z_1 Z_0 \\rangle$ should be different from the measurement of $\\langle I_1 \\otimes Z_0 \\rangle \\langle Z_1 \\otimes I_0 \\rangle$. For the specific entangled state created by our circuit described above, the measurement of $\\langle Z_1 Z_0 \\rangle$ should be 1 and the measurement of $\\langle I_1 \\otimes Z_0 \\rangle \\langle Z_1 \\otimes I_0 \\rangle$ should be zero.\n",
"</Admonition>"
]
},
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