On the stabilization of natural L-alpha-amino acids and D-sugars via parity-violating effects.

Classically a chiral molecule and its enantiomer have been considered energetically equivalent:<ΨDHpcΨD>=<ΨLP−1HpcPΨL>=<ΨLHpcΨL>as the parity-conserving hamiltonian Hpc does not change under the transformation P−1 HpcP, where P is the parity operator which transforms the wavefunction of one enantiomer into the other. However the parity-violating weak interactions ensure that this equivalence is no longer exact.