Yang-Lee analysis of the Grand Canonical Partition Function for Hubbard model at finite doping level is presented. The distributions of the zeros in the complex chemical-potential plane indicate an onset of a phase transition, with a sharp peak of electronic susceptibility. © 1994.
|Number of pages||2|
|Journal||Physica C: Superconductivity and its Applications|
|Issue number||PART 4|
|Publication status||Published - Dec 1994|