ed_config.dat

###
Configuration
file
for
exact
diagonalization
algorithm
###
###
Sebastian
Dick,
Wuerzburg
2016
###
###
Directions:
Parameter
names
must
begin
with
'$',
###
the
numerical
parameter
can
be
found
in
line
that
follows.
###
Make
sure
there
are
no
whitespaces.
###
###
IMPORTANT:
So
far
only
non-negative
integer
values
are
supported
#Write
dense
matrix
in
file
$DenseFlag
0
#Number
of
computed
eigenvalues
as
fraction
of
matrix
size
(divided
by
pow(2,$eigenv))
$eigenv
6
#Absolute
number
of
written
eigenvalues
$out
1000
#linear
positive
offset
of
eigenvalues
(better
convergence
of
alg.
if
all
ev's
are
positive)
$offset
40
#Periodic
boundary
conditions
$pbc
1
###Physical
parameters
#System
size
$Length
8
#
Interaction
strength,
hopping
etc.
$par1
-1
$par2
-1
$par3
1
#-------------
SYMMETRIES--------------------
#Use
number
conservation
$NumConFlag
0
$PartNum
0
#Use
fermion
parity
conservation
$ParFlag
0
$Parity
0
#Symmetry
lib
#Don't
change
for
now!
#Number
of
symmetries
(Number
con.
and
ferm.
parity
not
included)
$NSym
1
#Don't
change
for
now!
$Symmetries
Sym1
end
#Translational
Symmetry
$Symcnt
1
$Symrow
0
1
2
3
4
5
6
7
$Sym1
0
1
2
3
4
5
6
7
1
2
3
4
5
6
7
0
8
0
0
0