Dear Everyone, I want to simulate the Au (gold) nanoparticle and DNA single strands in a liquid. But the interaction potential of Au- H2O is very different from the style which gromacs uses. U = D[exp(-2a(r - r0)) - 2 exp(a(r - r0))] How can I do if I want to use this potential in gromacs. Thank you very much !!! Wen-Peng Qi
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