Abstract:

Heavy fermions have been the focus of condensed matter physics. Their novel macroscopic properties and mysterious microscopic physical processes are of particular interest. Due to significant improvement in the experimental energy and momentum resolution, angle-resolved photoemission spectroscopy (ARPES) plays an important role in the investigation of heavy fermions, which provides useful information for the understanding of various physical processes. This paper reviews the most recent ARPES results on heavy fermion compounds Ce_mM_nIn_3m+2n (m = 1; 2; 3; n = 0; 1; 2; M = Co, Rh, Ir, Pt, and Pd). The dimensionality of electronic structure, Kondo resonance, hybridization between f and conduction electrons, temperature-dependence of the electronic structure and other related issues are discussed.

Key words: heavy fermions, f electrons, ARPES, electronic structure