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DWF p_slash expression added to npr

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Fabian Joswig 2021-10-27 18:16:59 +01:00
parent 2b5bd7c5ed
commit 5bdfa3f8be
1 changed files with 5 additions and 0 deletions
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pyerrors/npr.py
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@ -85,6 +85,11 @@ def Zq(inv_prop, fermion='Wilson'):
if fermion == 'Wilson':
p_slash = -1j * (sin_mom[0] * gamma[0] + sin_mom[1] * gamma[1] + sin_mom[2] * gamma[2] + sin_mom[3] * gamma[3]) / np.sum(sin_mom ** 2)
elif fermion == 'DWF':
W = np.sum(1 - np.cos(2 * np.pi / L * mom))
s2 = np.sum(sin_mom ** 2)
p_slash = -1j * (sin_mom[0] * gamma[0] + sin_mom[1] * gamma[1] + sin_mom[2] * gamma[2] + sin_mom[3] * gamma[3])
p_slash /= 2 * (W - 1 + np.sqrt((1 - W) ** 2 + s2))
else:
raise Exception("Fermion type '" + fermion + "' not implemented")