Pseudogap state of two-dimensional Kondo lattice |
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| Authors: | A F Barabanov and A M Belemuk |
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| Institution: | 1.Institute of High-Pressure Physics,Russian Academy of Sciences,Troitsk, Moscow oblast,Russia;2.Moscow Institute of Physics and Engineering,Dolgoprudnyi, Moscow oblast,Russia |
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| Abstract: | The pseudogap behavior of spectral function A(k, ω) of charge carriers is considered in the weak doping regime for a 2D Kondo lattice with a strong spin-hole antiferromagnetic
interaction. The scattering of carriers is described in terms of a local polaron according to the irreducible Green functions.
The behavior of the carrier spectrum in the nodal and antinodal domains is considered. The resultant value of the pseudogap
is in conformity with experimental data on photoemission with angular resolution. |
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