Consider the bipartite state in (mathcal{H}_{A} otimes mathcal{H}_{B}) where (|1angle,|2angle,|3angle,|4angle) are orthonormal states. Calculate the mixed state

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Consider the bipartite state in $\mathcal{H}_{A} \otimes \mathcal{H}_{B}$

where $|1angle,|2angle,|3angle,|4angle$ are orthonormal states.
Calculate the mixed state obtained by taking the trace over system $A$, or system $B$.

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Quantum Mechanics A Graduate Course

ISBN: 9781108838733

1st Edition

Authors: Horatiu Nastase

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Question Posted: Mar 28, 2024 04:00 AM

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Consider the bipartite state in (mathcal{H}_{A} otimes mathcal{H}_{B}) where (|1angle,|2angle,|3angle,|4angle) are orthonormal states. Calculate the mixed state

Question:

14) = = = [(1) | 1) + (2) > 2) + (3) (4)+(2) (3)], (32.82)

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Quantum Mechanics A Graduate Course

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