Question

how quantum tunneling a is useful for quantum computing​

Answer 1

Explanation:

This is due to a phenomenon known as quantum tunnelling. ... Quantum Tunneling is what gives some quantum computers the potential to not only complete tasks faster but to potentially complete tasks a classical computer simply could not do within the confines of classical physics.

Answer 2

Explanation:

Quantum tunneling allows the quantum computers to perform tasks faster than the classical computers.

• In quantum mechanics, there is always a probability that a particle wave pass through the barrier and appear on the other side. This phenomenon is known as quantum tunneling.
• The particles with less energy can tunnel to the other side.
• Quantum computers use qubits created from the particles.
• These qubits in superconductors, pair up to form Cooper pairs that can tunnel through a Josephson junction.
• The qubits are superposed to encode information as 0’s, 1’s, or both at the same time.
• Superposition of qubits allows a quantum computer make maximum possible combinations at the same time.
• Quantum entanglement thus pushes multiple qubits into the same state, even if the qubits are far apart.  
• The computational capacity of holding different combinations of the states increases exponentially as more qubits are entangled with each other.

Thus, quantum computing utilize the superposition, entanglement, interference, and tunneling phenomenon to store information and perform computations.

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