====== Welcome to the Matrix Product States - DMRG Applet -  Wiki ======

Here we give an introduction to Matrix Product States and the use of the DMRG-applet. The wiki is based on the (german) bachelor thesis of Thomas Köhler: {{ :wiki:bachelor.pdf |„Die Dichte-Matrix-Renormierungsgruppe für die tranversale Ising-Quanten-Kette: Ein Demonstrationsprogramm“}}. The introduction to the Matrix Product States is mainly based on the review article "The density-matrix renormalization group in the age of matrix product states" by Ulrich Schollwöck((Schollwöck, Ulrich: The density-matrix renormalization group in the age of
matrix product states. In: Annals of Physics 326 (2011), Nr. 1, S. 96 – 192. –
URL http://www.sciencedirect.com/science/article/pii/S0003491610001752. –
January 2011 Special Issue. – ISSN 0003-4916))

The DMRG Applet can be found [[:applet|here]]((The security-warning has to be accepted. This is necessary, because you can save the plots on your harddrive.)). The source code is {{ :wiki:applet.zip |here}}. 

====Content====

  * [[Matrix Product States|Introduction to Matrix Product States]]

  * [[Variational Groundstate Search]]
  
  * [[Implementation]]

  * [[usage]]

  * [[tests]]

  * [[links]]


An one-particle DMRG-Applet which was created during the "Spezialisierungspraktikum" (a practice before the bachelor thesis) can be found [[:1dapplet|here]]. The source code is available {{:wiki:1dapplet.zip|here}}.



©: This site was created by Piet Dargel and Thomas Köhler