Groundstate Transitions of Coupled Quantum Dots in Magnetic Fields  

作　　者：Wenfang Xie Chuanyu Chen (Department of Physics, Guangzhou Normal University, 510400) 

出　　处：《广州师院学报（自然科学版）》1998年第11期61-65,共5页

摘　　要：Ｍｏｄｅｒｎｌｉｔｈｏｇｒａｐｈｉｃｔｅｃｈｎｉｑｕｅｓｈａｖｅｍａｄｅｐｏｓｉｂｌｅｔｈｅｆａｂｒｉｃａｔｉｏｎｏｆｉｎｄｉｖｉｄｕａｌｑｕａｎｔｕｍｄｏｔｓ［１］．Ｓｕｃｈｓｔｒｕｃｔｕｒｅｓｃｏｎｆｉｎｅｅｌｅｃｔｒｏｎｓｉｎａｌｔｈｒｅｅｓｐ...Abstract A coupled quantum dot system has been studied by using the method of few-body physics.We find that electron correlation in the double dot leads to angular momentum magic numbers distinct from those of a single dot.Discontinuous groundstate transitions induced by an external magnetic field have been predicted.

关 键 词：磁场 基态跃迁 耦合量子点系统 

分 类 号：O431.2[机械工程—光学工程] O413.3[理学—光学]