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I know the definition of entangled state and separable state from Wikipedia, but I can't find the references that brought up the mathematical description of the entangled state and separable state. Is the definition brought up by someone?

glS
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narip
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1 Answers1

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The name "entanglement" and the definition for pure states comes from Schrödinger 1935. The definition for mixed states comes from Werner 1989

Mateus Araújo
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