Twice Around to Return Home: A Hidden Reset Button for Spins and Qubits

Abstract The dynamics of numerous physical systems, such as spins and qubits, can be described as a series of rotation operations, i.e., walks in the manifold of the rotation group. A basic question with practical applications is how likely and under what conditions such walks return to the origin (the identity rotation), which means that … Continue reading Twice Around to Return Home: A Hidden Reset Button for Spins and Qubits