<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:times new roman, new york, times, serif;font-size:12pt"><DIV>Hello.</DIV>
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<DIV>i would like to know, how is the total energy whe the external electric field is</DIV>
<DIV>implemented in GMX, the field only interact with point charges?</DIV>
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<DIV>thanks for your help</DIV></div><br>
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