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Now we are isomorphic to Anders & Briegel :)

The mistake was in the set of gates which commute with CZ
master
Pete Shadbolt 8 years ago
parent
commit
bcd38f11d8
1 changed files with 2 additions and 9 deletions
  1. +2
    -9
      abp/clifford.py

+ 2
- 9
abp/clifford.py View File

@@ -57,14 +57,7 @@ def find_cz(bond, c1, c2, commuters, state_table, ab_cz_table):
if np.allclose(target, state_table[bondp, c1p, c2p]):
options.add((bondp, c1p, c2p))

#assert tuple(ab_cz_table[bond, c1, c2]) in options
if not tuple(ab_cz_table[bond, c1, c2]) in options:
assert len(s1)==5 or len(s2)==5
#print len(s1), len(s2)
#print bond, c1, c2
#print ab_cz_table[bond, c2, c2]
#print " ".join(map(str, options))
#raise AssertionError
assert tuple(ab_cz_table[bond, c1, c2]) in options
return options.pop()

# Didn't find anything - this should never happen
@@ -114,7 +107,7 @@ def get_state_table(unitaries):

def get_commuters(unitaries):
""" Get the indeces of gates which commute with CZ """
commuters = (qi.id, qi.px, qi.pz, qi.ph, qi.hermitian_conjugate(qi.ph))
commuters = (qi.id, qi.pz, qi.ph, qi.hermitian_conjugate(qi.ph))
return [find_clifford(u, unitaries) for u in commuters]




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