LBL Components

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In 1985, Berkeley Lab researchers demonstrated that the rules of quantum mechanics apply even to large numbers of electrons moving in a superconducting circuit. They observed the discrete quantum energy levels of a collective variable describing the electron motion.

This milestone paved the way for the subsequent use of superconductors to make quantum bits (qubits), which are now used in quantum computers built by IBM and Google and in Berkeley Lab’s own Advanced Quantum Testbed.