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Volumn 82, Issue 3, 2010, Pages

Noise in Bose Josephson junctions: Decoherence and phase relaxation

Author keywords

[No Author keywords available]

Indexed keywords

ATOMS; JOSEPHSON JUNCTION DEVICES;

EID: 77957344604     PISSN: 10502947     EISSN: 10941622     Source Type: Journal    
DOI: 10.1103/PhysRevA.82.033621     Document Type: Article
Times cited : (49)

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    • We compute the maximal Fisher information over all directions of angular momentum J as FQ=4λmax, where λmax is the largest eigenvalue of the 3×3 matrix Γi,j=l,m(pl-pm)2pl+pml|Ji|m|Jj|l/2 and |l the normalized eigenvectors of ρ with eigenvalues pl (see [5]).
    • We compute the maximal Fisher information over all directions of angular momentum J as F Q = 4 λ max, where λ max is the largest eigenvalue of the 3 × 3 matrix Γ i, j = l, m (p l - p m) 2 p l + p m l | J i | m m | J j | l / 2 and | l the normalized eigenvectors of ρ with eigenvalues p l (see [5]).


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