Best possible test which differentiates qubits

1. Aug 18, 2008

Dragonfall

What is the best possible test for differentiating qubits? Assuming we have only ONE copy of each. What if a few (but still small number of) copies were allowed?

Last edited: Aug 18, 2008
2. Aug 19, 2008

f95toli

The Divinchenzo Criteria?
Or do you mean something more specific, like T1 and T2?

3. Aug 19, 2008

Dragonfall

Last edited: Aug 19, 2008
4. Aug 20, 2008

Dragonfall

What is this T1 and T2?