Table of Contents
This is an old revision of the document!
PartialOperator
(will be published in fall 2018)
PartialOperator(op,indices) takes an operator and a list of indices and returns any part of op that acts on the index-set indices.
Input
-
op : An Operator.
-
indices : A list of indices.
Output
-
partialOp : The part of op acting on indices.
Example
Input
- Example.Quanty
NF = 4 op1 = NewOperator("Number",NF,{1},{1},{0.1+I}) + NewOperator("U",NF,{0},{1},{5}) + 3 op2 = NewOperator("Number",NF,{1},{1},{0.00001 + I}) + NewOperator("Number",NF,{2},{2},{1}) + NewOperator("U",NF,{0},{1},{0},{1},{2},{3},{2},{3},{3}) + NewOperator("U",NF,{0},{1},{5}) print("op1:") print(op1) print("PartialOperator(op1, {0,1})") print(PartialOperator(op1, {0,1})) print("PartialOperator(op1, {2})") print(PartialOperator(op1, {2})) print("\n\n\n") print("op2:") print(op2) print("PartialOperator(op2, {0,1})") print(PartialOperator(op2, {0,1})) print("PartialOperator(op2, {2})") print(PartialOperator(op2, {2}))
Result
op1:
Operator: CrAn
QComplex = 2 (Real==0 or Complex==1 or Mixed==2)
MaxLength = 4 (largest number of product of lader operators)
NFermionic modes = 4 (Number of fermionic modes (site, spin, orbital, ...) in the one particle basis)
NBosonic modes = 0 (Number of bosonic modes (phonon modes, ...) in the one particle basis)
Operator of Length 0
QComplex = 0 (Real==0 or Complex==1)
N = 1 (number of operators of length 0)
| 3.000000000000000E+00
Operator of Length 2
QComplex = 1 (Real==0 or Complex==1)
N = 1 (number of operators of length 2)
C 1 A 1 | 1.000000000000000E-01 1.000000000000000E+00
Operator of Length 4
QComplex = 0 (Real==0 or Complex==1)
N = 1 (number of operators of length 4)
C 1 C 0 A 1 A 0 | -5.000000000000000E+00
PartialOperator(op1, {0,1})
Operator:
QComplex = 1 (Real==0 or Complex==1 or Mixed==2)
MaxLength = 4 (largest number of product of lader operators)
NFermionic modes = 4 (Number of fermionic modes (site, spin, orbital, ...) in the one particle basis)
NBosonic modes = 0 (Number of bosonic modes (phonon modes, ...) in the one particle basis)
Operator of Length 2
QComplex = 1 (Real==0 or Complex==1)
N = 1 (number of operators of length 2)
C 1 A 1 | 1.000000000000000E-01 1.000000000000000E+00
Operator of Length 4
QComplex = 0 (Real==0 or Complex==1)
N = 1 (number of operators of length 4)
C 1 C 0 A 1 A 0 | -5.000000000000000E+00
PartialOperator(op1, {2})
Operator:
QComplex = 0 (Real==0 or Complex==1 or Mixed==2)
MaxLength = 4 (largest number of product of lader operators)
NFermionic modes = 4 (Number of fermionic modes (site, spin, orbital, ...) in the one particle basis)
NBosonic modes = 0 (Number of bosonic modes (phonon modes, ...) in the one particle basis)
op2:
Operator: CrAn
QComplex = 2 (Real==0 or Complex==1 or Mixed==2)
MaxLength = 4 (largest number of product of lader operators)
NFermionic modes = 4 (Number of fermionic modes (site, spin, orbital, ...) in the one particle basis)
NBosonic modes = 0 (Number of bosonic modes (phonon modes, ...) in the one particle basis)
Operator of Length 2
QComplex = 1 (Real==0 or Complex==1)
N = 2 (number of operators of length 2)
C 1 A 1 | 1.000000000000000E-05 1.000000000000000E+00
C 2 A 2 | 1.000000000000000E+00 0.000000000000000E+00
Operator of Length 4
QComplex = 0 (Real==0 or Complex==1)
N = 2 (number of operators of length 4)
C 1 C 0 A 3 A 2 | -3.000000000000000E+00
C 1 C 0 A 1 A 0 | -5.000000000000000E+00
PartialOperator(op2, {0,1})
Operator:
QComplex = 1 (Real==0 or Complex==1 or Mixed==2)
MaxLength = 4 (largest number of product of lader operators)
NFermionic modes = 4 (Number of fermionic modes (site, spin, orbital, ...) in the one particle basis)
NBosonic modes = 0 (Number of bosonic modes (phonon modes, ...) in the one particle basis)
Operator of Length 2
QComplex = 1 (Real==0 or Complex==1)
N = 1 (number of operators of length 2)
C 1 A 1 | 1.000000000000000E-05 1.000000000000000E+00
Operator of Length 4
QComplex = 0 (Real==0 or Complex==1)
N = 2 (number of operators of length 4)
C 1 C 0 A 3 A 2 | -3.000000000000000E+00
C 1 C 0 A 1 A 0 | -5.000000000000000E+00
PartialOperator(op2, {2})
Operator:
QComplex = 1 (Real==0 or Complex==1 or Mixed==2)
MaxLength = 4 (largest number of product of lader operators)
NFermionic modes = 4 (Number of fermionic modes (site, spin, orbital, ...) in the one particle basis)
NBosonic modes = 0 (Number of bosonic modes (phonon modes, ...) in the one particle basis)
Operator of Length 2
QComplex = 1 (Real==0 or Complex==1)
N = 1 (number of operators of length 2)
C 2 A 2 | 1.000000000000000E+00 0.000000000000000E+00
Operator of Length 4
QComplex = 0 (Real==0 or Complex==1)
N = 1 (number of operators of length 4)
C 1 C 0 A 3 A 2 | -3.000000000000000E+00
