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1. Bloch sphere

   ... correspondence between elements of the Bloch sphere and pure states can be explicitly given. thumb To show this ... r j σ j . A convex combination of pure states $\{\hat{\vec{r}}_j\}$ with weights p j gives a ...

   Wiki article - Anonymous (not verified) - 26/10/2015 - 17:56 - 0 comments

2. Bipartite states and Schmidt decomposition

   ... Information Theory and will be defined in what follows: Pure States Definition Let H = H A  ⊗ H B be ... is useful for the separability characterization of pure states: The state  ∣ ψ ⟩ A B is separable if ...

   Wiki article - Anonymous (not verified) - 04/03/2019 - 00:51 - 0 comments

3. Pure states

   ... the Bloch sphere (the state space of a qubit ), the pure states exactly form the surface of the sphere. For Hilbert space dimension ... dimensional, so from this we would expect d 2 pure states to be necessary to represent a general mixed state. However, as the ...

   Wiki article - Anonymous (not verified) - 26/10/2015 - 17:56 - 0 comments

4. Pure state

   REDIRECT pure states 1474 reads Last modified:  ...

   Wiki article - Isabeau - 26/10/2015 - 17:56 - 0 comments

5. States

   ... A mixed quantum state is a statistical distribution of pure states. The expectation value ⟨ a ⟩ of a measurement A ... . In order to describe a statistical distribution of pure states, or mixed state , the density operator (or density matrix), ...

   Wiki article - Anonymous (not verified) - 26/10/2015 - 17:56 - 0 comments

6. Multipartite entanglement

   ... s . Separability characterization and criteria Pure states Definition [Full   m -partite separability]: The ... easily in the multipartite case, as only rarely multipartite pure states admit the generalized Schmidt Decomposition  ∣Ψ A ...

   Wiki article - Anonymous (not verified) - 26/10/2015 - 17:56 - 0 comments

7. Separable and entangled states

   ... i A  ⊗  ρ i B . Pure states For pure states the above definition can be represented as ...

   Wiki article - Anonymous (not verified) - 26/10/2015 - 17:56 - 0 comments

8. Entanglement

   ... \pm |1\rangle_A \otimes |0\rangle_B)$ . These four pure states are all maximally entangled (according to the entropy of ...

   Wiki article - Anonymous (not verified) - 26/10/2015 - 17:56 - 0 comments

9. Density matrix

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   Wiki article - Anonymous (not verified) - 08/09/2020 - 13:08 - 0 comments

10. Mixed states

    ... every state has a unique finest convex decomposition into pure states. In contrast, points in the interior of the Bloch sphere have many ...

    Wiki article - Anonymous (not verified) - 26/10/2015 - 17:56 - 0 comments

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