Partial traces and entropy inequalities (Q1405027)
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scientific article; zbMATH DE number 1970613
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Partial traces and entropy inequalities |
scientific article; zbMATH DE number 1970613 |
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Partial traces and entropy inequalities (English)
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25 August 2003
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The connection of partial trace operation with entropy in quantum mechanics is dealt with. The relation \(\text{tr }AB= \text{tr }A_1B_1\) characterizes the trace operation. Entropy inequalities, Lieb's concavity theorem, and the relative entropy are discussed.
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quantum entropy
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density matrix
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partial trace
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operator convexity
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matrix inequalities
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