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sinh effective mass implemented

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This commit is contained in:
Fabian Joswig 2021-10-12 11:24:43 +01:00
parent 66c443fd63
commit 117a925775
4 changed files with 28 additions and 20 deletions
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13
pyerrors/correlators.py
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@ -252,14 +252,21 @@ class Corr:
return np.log(Corr(newcontent, padding_back=1))
elif variant == 'periodic':
elif variant in ['periodic', 'cosh', 'sinh']:
if variant in ['periodic', 'cosh']:
func = anp.cosh
else:
func = anp.sinh
def root_function(x, d):
return func(x * (t - self.T / 2)) / func(x * (t + 1 - self.T / 2)) - d
newcontent = []
for t in range(self.T - 1):
if (self.content[t] is None) or (self.content[t + 1] is None):
newcontent.append(None)
else:
func = lambda x, d: anp.cosh(x * (t - self.T / 2)) / anp.cosh(x * (t + 1 - self.T / 2)) - d
newcontent.append(np.abs(find_root(self.content[t][0] / self.content[t + 1][0], func, guess=guess)))
newcontent.append(np.abs(find_root(self.content[t][0] / self.content[t + 1][0], root_function, guess=guess)))
if(all([x is None for x in newcontent])):
raise Exception('m_eff is undefined at all timeslices')