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Frederik vom Ende
Frederik vom Ende
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what What is square of the square root of a density matrix power two?

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Martin Vesely
Martin Vesely
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iI know that in algebra for a variable we have:

$ \sqrt {x^2} = |x|$

whatWhat if x$x$ is a density matrix?

pleasePlease share resource for your answer.

i know in algebra for a variable we have:

$ \sqrt {x^2} = |x|$

what if x is a density matrix?

please share resource for your answer.

I know that in algebra for a variable we have

$ \sqrt {x^2} = |x|$

What if $x$ is a density matrix?

Please share resource for your answer.

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reza
reza
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what is square root of a density matrix power two?

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reza
reza
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