Search results

1. Mixed states

   ... pure states are mutually orthogonal. This is the spectral decomposition of the density operator. In the Bloch sphere this is ...

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

2. The Church of the larger Hilbert space

   ... and Naimark, and Segal. For a given mixed state with spectral decomposition $\varrho = \sum_k p_k \, |k\rangle \langle k| \, \in ...

   Wiki article - Anonymous (not verified) - 05/04/2023 - 22:02 - 0 comments