Treballs Finals de Grau de Física, Facultat de Física, Universitat de Barcelona, Curs: 2018, Tutora: Maria dels Àngels Garcia Bach
The Hubbard model is very important for the study of of magnetic phenomena and strongly correlated electron systems. This work serves as an introduction to the Hubbard model and a presentation of the elements necessary to reach it. Here it is applied to a simple case to see how you work with it.