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      The Mott metal-insulator transition in the 1D Hubbard model in an external magnetic field

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          Abstract

          We study the low energy behavior of the one dimensional Hubbard model across the Mott metal-insulator phase transition in an external magnetic field. In particular we calculate elements of the dressed charge matrix at the critical point of the Mott transition for arbitrary Hubbard repulsion and magnetization numerically and, in certain limiting cases, analytically. These results are combined with a non-perturbative effective field theory approach to reveal how the breaking of time reversal symmetry influences the Mott transition.

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          Author and article information

          Journal
          24 October 2007
          2008-01-08
          Article
          10.1088/1742-5468/2008/01/P01007
          0710.4498
          853ed4e3-a580-4f8e-8205-72f04979dba9
          History
          Custom metadata
          J.Stat.Mech. (2008) P01007
          12 pages, 1 figure
          cond-mat.str-el

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