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What is the difference between transmon and Xmon qubits?

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How to define a quantum channel for the partial trace?

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Why does quantum computing generally use matrix formulation of quantum mechanics rather than a continuous variable formulation?

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What is the difference between transmon and Xmon qubits?

Can adiabatic quantum computing be faster than Grover's algorithm?

How do I build a gate from a matrix on Qiskit?

Alternative to Bloch sphere to represent a single qubit

What are magic states?

Why do error correction protocols only work when the error rates are already significantly low to begin with?

Are circuits with more than 1000 gates common?

Requirements for Achieving a Quantum Speedup

Physical implementation of gates on IBM Q

How does the invertibility of a quantum map reflect on its Kraus operators?

What are examples of extremal non-projective POVMs?

Are three POVM measurements on a single qubit physically realizable?

Understanding classical vs. quantum channel capacities

What is the relation between POVMs and observables (as Hermitian operators)?

Can a merchant who accepts a knot-based quantum coin mint her own knot-based coin?

How to define a quantum channel for the partial trace?

Why does quantum computing generally use matrix formulation of quantum mechanics rather than a continuous variable formulation?

Intuitive role of the polar decomposition in proof of Uhlmann's theorem for fidelity

Nielsen&Chuang 5-qubit quantum error-correction encoding gate

Can we use quantum phase estimation to count how often we can walk from one Rubik's cube position to another?

Inverting the depolarizing channel

Determining whether there exists an equivalent set of unitary Kraus operators

Do the Kraus operators of a CPTP channel need to be orthogonal?

Understanding the quantum circuit for the quantum adder Toffoli gate

Equivalence of two ways to recover a map from its Choi state

Direct derivation of the Kraus representation from the natural representation, using SVD

What is the difference between Qiskit execute and the IBMQJobManager?

How to plot histogram or Bloch sphere for multiple circuits?

Clean way of approximating an oscillator by a qubit

How to design a RF-SQUID qubit by Qiskit Metal?