Detecting quantum critical points in the t- fermi-hubbard model via complex network theory

HIGHLIGHTS

• who: Andrey A. Bagrov from the DepartmentUppsala University have published the research work: Detecting quantum critical points in the t- Fermi-Hubbard model via complex network theory, in the Journal: Scientific Reports Scientific Reports
• what: Correlation effects beyond the band structure approximation in this model have been thoroughly analyzed with different m ­ ethods25-29, and there are a number of good indications that it captures all the relevant features of cuprate superconductors.
• how: By associating the quantum state of the t-t ′ Hubbard model with a weighted network of inter-site mutual information . . .
  

   

  

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