Considering the existence of a pseudogap near the Fermi energy in density of states resuked from the coherence in heavy fermion system, we suggest a formula to calculate the specific heat in normal state for such system. The behavior of the specific heat under various parameters is studied systematically and the results show that the pseudogap has considerable influence on specific heat at low temperatures. The experimental data of CeAl3 under atmospheric and applied pressures have been fitted obtaining... Considering the existence of a pseudogap near the Fermi energy in density of states resuked from the coherence in heavy fermion system, we suggest a formula to calculate the specific heat in normal state for such system. The behavior of the specific heat under various parameters is studied systematically and the results show that the pseudogap has considerable influence on specific heat at low temperatures. The experimental data of CeAl3 under atmospheric and applied pressures have been fitted obtaining satisfactory results. |