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Volumn 79, Issue 16, 2009, Pages

Tunable dynamical channel blockade in double-dot Aharonov-Bohm interferometers

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EID: 66249108257     PISSN: 10980121     EISSN: 1550235X     Source Type: Journal    
DOI: 10.1103/PhysRevB.79.165319     Document Type: Article
Times cited : (48)

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    • The divergence can be understood from a minimal model describing two states, both carrying a Poissonian current with different rates Γ1 Γ2. If the system switches between the states with a rate Ω the kernel of the system's master equation reads W= (Γ1 (eiχ -1) Ω Ω Γ2 (eiχ -1)). The cumulant generating function is readily found to be S (χ) = [(Γ1 + Γ2) (eiχ -1) -2Ω+ (Γ1 - Γ2) 2 (eiχ -1) +4 Ω2] /2. The normalized moments diverge as Ω→0, the second in particular reads κ2 / κ1 =1+ (Γ1 - Γ2) 2 / [2Ω (Γ1 + Γ2)].
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* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.