Kondo effect is a very important many-body phenomenon in condensed matter physics,which explains why the resistance increases as the temperature is lowered (usually <10 K) in dilute magnetic alloy, and why the con-...Kondo effect is a very important many-body phenomenon in condensed matter physics,which explains why the resistance increases as the temperature is lowered (usually <10 K) in dilute magnetic alloy, and why the con-ductance increases as temperature is decreased in quantum dots. This paper simply introduces equilibrium and non- equilibrium Kondo effects in quantum dots together with the Kondo effect in quantum dots with even number of electrons (when the singlet and triplet states are degenerate). Fur-thermore, Kondo effect in single atom/molecular transistors is introduced, which indicates a new way to study Kondo effect.展开更多
基金This work was supported by the Chinese Academy of Sciences，National Natural Science Foundation of China(Grant Nos．20421 101．204 02015＆ 20404013 and Ministry of Science and Technology of China．
文摘Kondo effect is a very important many-body phenomenon in condensed matter physics,which explains why the resistance increases as the temperature is lowered (usually <10 K) in dilute magnetic alloy, and why the con-ductance increases as temperature is decreased in quantum dots. This paper simply introduces equilibrium and non- equilibrium Kondo effects in quantum dots together with the Kondo effect in quantum dots with even number of electrons (when the singlet and triplet states are degenerate). Fur-thermore, Kondo effect in single atom/molecular transistors is introduced, which indicates a new way to study Kondo effect.
