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Davison, Jacob
tfimsrg
Commits
e056210e
Commit
e056210e
authored
Apr 05, 2021
by
Davison, Jacob
Browse files
removed explicit SS generator (generator must always be built from H)
parent
4074bb3b
Changes
1
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Inline
Side-by-side
main.py
View file @
e056210e
...
...
@@ -76,7 +76,7 @@ def derivative(t, y, inputs):
dy -- next step in flow"""
hamiltonian
,
occ_tensors
,
generator
,
flow
,
tspinsq
,
generator_spin
,
flow_spin
=
inputs
hamiltonian
,
occ_tensors
,
generator
,
flow
,
tspinsq
,
flow_spin
=
inputs
#assert isinstance(hamiltonian, Hamiltonian), "Arg 2 must be Hamiltonian object"
assert
isinstance
(
occ_tensors
,
OccupationTensors
),
"Arg 3 must be OccupationTensors object"
assert
isinstance
(
generator
,
Generator
),
"Arg 4 must be Generator object"
...
...
@@ -92,8 +92,8 @@ def derivative(t, y, inputs):
# Spin-squared flow
E_spin
,
f_spin
,
G_spin
=
ravel
(
y
[
half
::],
tspinsq
.
n_sp_states
)
generator_spin
.
f
=
f_spin
generator_spin
.
G
=
G_spin
#
generator_spin.f = f_spin
#
generator_spin.G = G_spin
dE_spin
,
df_spin
,
dG_spin
=
flow_spin
.
flow
(
generator
)
dy
=
np
.
concatenate
([
unravel
(
dE
,
df
,
dG
),
unravel
(
dE_spin
,
df_spin
,
dG_spin
)],
axis
=
0
)
...
...
@@ -203,7 +203,7 @@ def main(n_holes, n_particles, ref=None, d=1.0, g=0.5, pb=0.0, verbose=1, flow_d
wg
=
generator_dict
[
generator
]
#WegnerGenerator(ha, ot)
fl
=
Flow_IMSRG2
(
ha
,
ot
)
wg_spin
=
WegnerGenerator
(
ss
,
ot
)
#
wg_spin = WegnerGenerator(ss, ot)
fl_spin
=
Flow_IMSRG2
(
ss
,
ot
)
initf
=
time
.
time
()
# finish instantiation timer
...
...
@@ -237,11 +237,11 @@ def main(n_holes, n_particles, ref=None, d=1.0, g=0.5, pb=0.0, verbose=1, flow_d
solver
=
ode
(
derivative
,
jac
=
None
)
solver
.
set_integrator
(
'vode'
,
method
=
'bdf'
,
order
=
5
,
nsteps
=
1000
)
solver
.
set_f_params
([
ha
,
ot
,
wg
,
fl
,
ss
,
wg_spin
,
fl_spin
])
solver
.
set_f_params
([
ha
,
ot
,
wg
,
fl
,
ss
,
fl_spin
])
solver
.
set_initial_value
(
y0
,
0.
)
sfinal
=
50
#
ds = 1
ds
=
0.0
1
s_vals
=
[]
E_vals
=
[]
...
...
@@ -282,7 +282,7 @@ def main(n_holes, n_particles, ref=None, d=1.0, g=0.5, pb=0.0, verbose=1, flow_d
#print('solver success,', solver.successful())
ys
=
solver
.
integrate
(
s
final
,
step
=
True
)
ys
=
solver
.
integrate
(
s
olver
.
t
+
ds
,
step
=
True
)
half
=
int
(
len
(
ys
)
/
2
)
Es
,
fs
,
Gs
=
ravel
(
ys
[
0
:
half
],
ha
.
n_sp_states
)
...
...
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