Volume of the space of qubit-qubit channels and state transformations under random quantum channels

Preprint English OPEN
Lovas, Attila; Andai, Attila;
  • Related identifiers: doi: 10.1142/S0129055X18500198
  • Subject: Mathematical Physics | 81P16, 81P45, 94A17 | Quantum Physics
    arxiv: Computer Science::Information Theory

The simplest building blocks for quantum computations are the qubit-qubit quantum channels. In this paper, we analyze the structure of these channels via their Choi representation. The restriction of a quantum channel to the space of classical states (i.e. probability d... View more
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