Abstract
We show how one can solve the problem of discriminating between qubit states. We use the quantum state discrimination duality theorem and the Bloch sphere representation of qubits, which allows for an easy geometric and analytical representation of the optimal guessing strategies.
| Original language | English |
|---|---|
| Article number | 062304 |
| Number of pages | 5 |
| Journal | Physical Review A - Atomic, Molecular, and Optical Physics |
| Volume | 81 |
| Issue number | 6 |
| DOIs | |
| Publication status | Published - 2010 |
| Externally published | Yes |