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Questions Tagged with "quantum operation" (Page 3)

Explore solved questions tagged with "quantum operation" or help others by answering their unsolved questions related to "quantum operation".

Can you perform quantum process tomography using an orthonormal basis the contains non Hermitian matrices?

2 answer

Quantum Computing Asked 3 years ago

Why does $sum_n langle n|M_mrho M_m^dagger|nrangle$ simplify to $langle psi|M_m^dagger M_m|psirangle$?

1 answer

Quantum Computing Asked 3 years ago

Why do the constant operations in a quantum computer need second qubits?

1 answer

Quantum Computing Asked 3 years ago by MysteriousWaffle

Kraus decomposition for non trace preserving operation: shouldn't we have $0 leq sum_k E_k^{dagger} E_k leq I$

1 answer

Quantum Computing Asked 3 years ago

For 2x2 and 2x3 systems, is the partial transpose the only positive but not CP operation?

1 answer

Quantum Computing Asked 3 years ago by Mahathi Vempati

How does a map being "only" positive reflect on its Choi representation?

1 answer

Quantum Computing Asked 3 years ago

What is the general form of a classical-quantum state?

1 answer

Quantum Computing Asked 3 years ago by Polya

Confusion on the definition of the phase-damping channel

1 answer

Quantum Computing Asked 3 years ago

How is it not a contradiction that it is possible to build fault tolerant circuits with strictly contractive (e.g.: depolarizing noise) channels?

2 answer

Quantum Computing Asked 3 years ago by Dina Abdelhadi

Dimensionality and value of $mathbb{I}_A$ in Quantum operations

1 answer

Quantum Computing Asked 3 years ago

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