We report the first protocol specifically designed to generate anticoherent spin-j states at different orders. The protocol consists of cycles of a rotation pulse about an axis followed by a squeezing pulse in a perpendicular direction. To protect these states, we develop dynamical decoupling techniques using group-based sequence design and the dynamically corrected gate formalism. We analyze key sources of dephasing, disorder, and dipole-dipole interactions and assess the effectiveness of our methods in preserving coherence. Potential applications of the produced anticoherent spin states include quantum sensing and studies related to quantum entanglement.
Cite
@article{arxiv.2505.06154,
title = {Coherent Generation and Protection of Anticoherent Spin States},
author = {Jérôme Denis and Colin Read and John Martin},
journal= {arXiv preprint arXiv:2505.06154},
year = {2026}
}