Superconducting quantum computing

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Superconducting quantum computing is a branch of quantum computing and solid-state physics that implements superconducting electronic circuits as qubits in a quantum processor. These devices are typically microwave-frequency electronic circuits containing Josephson junctions, which are fabricated on solid state chips. Superconducting circuits are one of many possible physical implementations of qubits, the quantum computer's equivalent of a traditional bit in a classic computer. Qubits refer to a two-state quantum mechanical system, and have two logic states, the ground state and the excited state, often denoted | g ⟩ and | e ⟩ {\displaystyle |g\rangle {\text{ and }}|e\rangle } (for ground and excited), or | 0 ⟩ and |...

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