Geometric phase of an open double-quantum-dot system detected by a quantum point contact*

Project supported by the Natural Science Foundation of Shandong Province, China (Grant No. ZR2014AM030).

Du Qian, Lan Kang, Zhang Yan-Hui, Jiang Lu-Jing
       

Geometric phase γg of the DQD system versus the coupling strength Ω between the two quantum dots in the quasiperiod τ with the fixed dephasing rate Γϕ = 0.1 ε for different decoherence rate Γd.