Recent questions in Qubits

+27 votes

0 answers

What is the difference between atoms and qubits?

asked Mar 20, 2023 in Qubits by PhoenixVagabond

+68 votes

0 answers

How can you specify the qubits on quantum computers that you want to use (IBM Q experience, simulation, quantum computing)?

asked Mar 18, 2023 in Qubits by Allun

+26 votes

0 answers

The optical quantum computer being developed by Professor Akira Furusawa of the University of Tokyo claims to be superior to the gated method and is aiming for one billion qubits, but is it possible? Is it possible? Or is it just hype?

asked Mar 18, 2023 in Qubits by QuantumHorizon

+123 votes

0 answers

What happens after measurement of a qubit?

asked Mar 17, 2023 in Qubits by che

+59 votes

0 answers

Can every 2 qubit states represent by the tensor product of Pauli matrices (+identity)? For example |00> = 0.25 (+Z⊗I +Z⊗Z +I⊗Z + I⊗I). And every states need the I⊗I bases? Is there any general formula?

asked Mar 17, 2023 in Qubits by Altroman

+119 votes

0 answers

What is special about a qubit?

asked Mar 17, 2023 in Qubits by Controlled Magic

+118 votes

0 answers

Can entangled qubits be disentangled without using code or software?

asked Mar 16, 2023 in Qubits by Carrie

+43 votes

0 answers

Does each qubit correspond to a wave?

asked Mar 16, 2023 in Qubits by tictic

+27 votes

0 answers

How is a qubit in superposition between $|0 angle$ and $|1 angle$ different from a mixed state of $|0 angle$ and $|1 angle$ (density matrix, quantumcomputing)?

asked Mar 15, 2023 in Qubits by Areid

+4 votes

0 answers

How are qubits entangled in superconducting quantum processors, if SPDC (spontaneous parametric down conversion) is not used? Does the resonator that the qubits are coupled to play any role in entanglement generation?

asked Mar 14, 2023 in Qubits by pachyderm

+19 votes

0 answers

In theory, will computers ever be as fast as qubits?

asked Mar 13, 2023 in Qubits by QuantumDreamer

+17 votes

0 answers

In quantum computing, what is actually teleported between three qubits, and is it instantaneous? Then why do we still insist that communication for entanglement is impossible?

asked Mar 11, 2023 in Qubits by Bazza

+112 votes

0 answers

Are qubits (quantum bits) analog or digital in nature?

asked Feb 20, 2023 in Qubits by ellipticalwaiting

+6 votes

0 answers

Can you exchange information between two different qubits in a quantum computer?

asked Feb 19, 2023 in Qubits by MRY

+16 votes

0 answers

How do qubits get "stored"?

asked Feb 18, 2023 in Qubits by AstralWhisper (3.0k points)

+126 votes

0 answers

Can a quantum qubit contain all states between 1 and 0 or just 1 and 0?

asked Feb 17, 2023 in Qubits by SolarisOracle

+2 votes

0 answers

Have the theories about the impact of quantum computing been substantiated by our current qubit simulations?

asked Feb 14, 2023 in Qubits by Spir4

+221 votes

0 answers

How do we know that qubits are real?

asked Feb 14, 2023 in Qubits by AlexDurr

+27 votes

0 answers

What could we do with a quantum computer that had one trillion qubits?

asked Feb 13, 2023 in Qubits by RadiantCharm

+12 votes

0 answers

Do bit-flips of entangled qubits undermine apriori the idea of quantum entanglement?

asked Feb 11, 2023 in Qubits by SeraphicMystic

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