Tag: rotational dynamics
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Twice Around To Return Home: The Hidden Reset Button for Spins and Qubits
Introduction: A surprising reset for complex rotations Rotations are everywhere in science and technology. Gyroscopes, magnetic spins, and quantum bits (qubits) each follow sequences of twists and turns that can be described as walks on the rotation groups SO(3) for classical objects and SU(2) for quantum systems. A provocative question arises: given a long, tangled…