Theoretical breakthrough: TDQMC's conditional interaction rigorously derived from Bayes' theorem. Extended to fermions with active exchange and spinor dynamics, enabling polynomial-time real-time correlated electron simulation without sign problems.

Theoretical breakthrough: TDQMC's conditional interaction rigorously derived from Bayes' theorem. Extended to fermions with active exchange and spinor dynamics, enabling polynomial-time real-time correlated electron simulation without sign problems.