DMET+CASSCF-SO with spatial truncation reduces computational cost of spin-phonon coupling calculations by ~10x while maintaining <2% error, enabling high-throughput screening of lanthanide single-ion magnets for quantum applications.

DMET+CASSCF-SO with spatial truncation reduces computational cost of spin-phonon coupling calculations by ~10x while maintaining <2% error, enabling high-throughput screening of lanthanide single-ion magnets for quantum applications.