Fix the force coefficient for reciprocal term in ewald
Fix the force coefficient for reciprocal term in ewald

GOMC-WSU/GOMC,GOMC-WSU/GOMC,GOMC-WSU/GOMC_Serial,GOMC-WSU/GOMC,GOMC-WSU/GOMC_Serial,GOMC-WSU/GOMC_Serial,GOMC-WSU/GOMC,GOMC-WSU/GOMC