Abstract
The spin- 1 2 Anderson impurity model in the limit of infinite Coulomb repulsion is considered in pseudoparticle representation. We extend the conserving T-matrix approximation (CTMA) to the calculation of thermodynamic and spectral properties. In the Kondo regime the CTMA reproduces the exact screening of the local moment below the Kondo temperature T K and down to the lowest temperatures of at least T ≃ 0.01 T K , indicative of Fermi liquid behavior. The impurity self-energy is quadratic in ω and T for T well below T K .
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
