“School of Physics”
Back to Papers HomeBack to Papers of School of Physics
| Paper IPM / P / 6553 | ||||||||||||||||||||||||
|
||||||||||||||||||||||||
| Abstract: | ||||||||||||||||||||||||
|
A simple modification of the standard Renormalization Group (RG) technique
for the study of quantum spin systems is introduced. By applying this
method to the xxz spin [1/2] Heisenberg chain, we obtain
the ground state energy with much higher accuracy than the standard RG.
Download TeX format |
||||||||||||||||||||||||
| back to top | ||||||||||||||||||||||||
