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Title of Journal: Z Phys B Condensed Matter

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Abbravation: Zeitschrift für Physik B Condensed Matter

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Springer-Verlag

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10.1007/bf00199481

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1431-584X

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Instabilities of weakly correlated electronic gas

Authors: Dražen Zanchi Heinz J Schulz
Publish Date: 2014/02/08
Volume: 103, Issue: 2, Pages: 339-342
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Abstract

We use the KadanoffWilson renormalization group to find the instabilities of the two dimensional Hubbard model in the weak coupling limit Starting from the full bandwidth we reduce the energy cutoff for fermions and derive the lowenergy effective action If the filling is enough far from one half the effective lowenergy theory is BCS and there exists a meanfield like superconducting instability with Dwave order parameter Close to the halffilling the effective lowenergy theory is parquet and the dominant fluctuations at the critical temperature are antiferromagnetic

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  2. On the critical temperature of non-periodic Ising models on hexagonal lattices
  3. Effect of preparation on Hg−Ba−Ca−Cu−O superconductors
  4. Structural relaxation and viscous flow in amorphous ZrAlCu
  5. Nonequilibrium statistical mechanical formulation for grain growth
  6. Ions and atoms in superfluid helium ( 4 He)
  7. Microcanonical ensemble study of a gas column under gravity
  8. Shift of the Bragg position in grazing-incidence diffraction
  9. Electrical field induced growth of triangular nanometer structures on WSe 2
  10. Andreev reflexion at nanocontacts of superconducting AuIn 2 with copper
  11. Nature of coherent enhancement of inelastic electron scattering from disordered media
  12. Optical mode crossings and the low temperature anomalies of SrTiO 3
  13. Multiphonon decay of strong mode in quantum lattice
  14. Andreev reflexion at nanocontacts of superconducting AuIn 2 with copper
  15. Interrelations between various frustrated Ising- and q -state-models
  16. The Hume-Rothery rules and phase stabilities in noble metal alloys
  17. Non-Fermi-liquid behavior and d-wave superconductivity near the charge-density-wave quantum critical point
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