LMU/musrfit
LMU/musrfit
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fixed a bug in the spin glass function for negative times

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nemu 2009-10-02 15:18:59 +00:00
parent e38d0793ba
commit b2a572b790
1 changed files with 2 additions and 2 deletions
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4
src/classes/PTheory.cpp
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@ -1497,8 +1497,8 @@ double PTheory::SpinGlass(register double t, const PDoubleVector& paramValues, c
double lambda_t_2_q = tt*tt*lambda_2*val[2]; double lambda_t_2_q = tt*tt*lambda_2*val[2];
double rate_2 = 4.0*lambda_2*(1.0-val[2])*tt/val[1]; double rate_2 = 4.0*lambda_2*(1.0-val[2])*tt/val[1];
double rateL = TMath::Sqrt(rate_2); double rateL = TMath::Sqrt(fabs(rate_2));
double rateT = TMath::Sqrt(rate_2+lambda_t_2_q); double rateT = TMath::Sqrt(fabs(rate_2)+lambda_t_2_q);
return 0.333333333333333*(TMath::Exp(-rateL) + 2.0*(1.0-lambda_t_2_q/rateT)*TMath::Exp(-rateT)); return 0.333333333333333*(TMath::Exp(-rateL) + 2.0*(1.0-lambda_t_2_q/rateT)*TMath::Exp(-rateT));
} }