Luttinger-Liquid Behaviour in 2D: The Variational Approach
- 380 Downloads
We consider the variational approach to Luttinger liquids in one- and two dimensions. In one dimension the 1/r 2 model solved by Sutherland is considered and shown to include Luttinger-Liquid type correlations. For the two dimensional t — J a wavefunction is introduced which is shown to have an algebraic singularity at the Fermi edge in the momentum distribution function. The possible coexistence of Luttinger Liquid correlations with d-wave superconductivity is discussed.
KeywordsFermi Surface Fermi Liquid Luttinger Liquid Variational Monte Carlo Fermi Edge
Unable to display preview. Download preview PDF.
- E. Feenberg, Theory of Quantum Fluids (Academic, New York, 1969).Google Scholar
- Y.C. Chen and T.K. Lee, Tomonaga-Luttinger Liquid in The Two-Dimensional t-J Model, preprint.Google Scholar
- D.M. Ceperley and M.H. Kalos, Monte Carlo Methods in Statistical Physics, edited by K. Binder (Springer-Verlag, Berlin, 1979).Google Scholar