8. Let ) (¹) H(2). Show that ) is entangled if and only if for all ) (¹), |6) € 7(2), (0)| < 1.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
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Chapter2: Second-order Linear Odes
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7. Suppose that X,Y are two observables and that (X) = (Y) for every state |). Show
that X = Y.
8. Let |V) € H(1) 8 H2). Show that |V) is entangled if and only if for all |) e H(1),
l6) E H®), |(V|v¢)| < 1.
Transcribed Image Text:7. Suppose that X,Y are two observables and that (X) = (Y) for every state |). Show that X = Y. 8. Let |V) € H(1) 8 H2). Show that |V) is entangled if and only if for all |) e H(1), l6) E H®), |(V|v¢)| < 1.
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