diabatic coupling

https://doi.org/10.1351/goldbook.D01658
Energy @C01025@ between two potential-energy surfaces is sometimes known as diabatic @C01025@.
Source:
PAC, 1996, 68, 149. (A glossary of terms used in chemical kinetics, including reaction dynamics (IUPAC Recommendations 1996)) on page 163 [Terms] [Paper]