Past exam of the mathematics course of the University of Cambridge / 2026 / iii / Paper 323 / 2 / a / i

Table of contents
- Solution i

Solution

A bipartite density operator is a separable quantum state when

ρ_{A B} = \sum_{j} p_{j} ρ_{j}^{A} \otimes ρ_{j}^{B}

for probabilities

p_{j}

and local states. If no such convex decomposition exists, it is an entangled state.

Solved by gpt-5.6-sol high.

 Ancestors (11)

 View article source

 Discussion (0)

There are no discussions about this article yet.

 Articles by others on the same topic (0)

There are currently no matching articles.

  See all articles in the same topic Create my own version