Difference between revisions of "ALPS 2 Tutorials:DWA-01 SpecificHeat"

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(Fixed chemical potential)
(With fixed chemical potential)
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In this tutorial, we will illustrate how to calculate the specific heat of a '''2D boson Hubbard model''' of square lattice geometry using the directed worm algorithm.
 
In this tutorial, we will illustrate how to calculate the specific heat of a '''2D boson Hubbard model''' of square lattice geometry using the directed worm algorithm.
  
== With fixed chemical potential ==
+
== with fixed chemical potential ==
  
 
=== Using the command line ===
 
=== Using the command line ===

Revision as of 14:12, 27 August 2013

Specific Heat

In this tutorial, we will illustrate how to calculate the specific heat of a 2D boson Hubbard model of square lattice geometry using the directed worm algorithm.

with fixed chemical potential

Using the command line

We consider, for instance, the parameter file parm1a that sets up the directed worm algorithm for simulating the boson Hubbard model of a 202 lattice with square geometry.

LATTICE="square lattice"
MODEL="boson Hubbard"

L=20  
Nmax=20

t=1.
U=16.
mu=32.

THERMALIZATION=10000
SWEEPS=100000 
SKIP=400

{T=0.7}
{T=0.8}
{T=0.9}
{T=1.0}
{T=1.1}
{T=1.2}
{T=1.3}
{T=1.4}
{T=1.5}
{T=1.6}
{T=1.7}
{T=1.8}
{T=1.9}
{T=2.0}

We want to