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cond-mat.supr-con2003
Exact Results for a Spin- lattice
S. K. Yip
We consider a lattice of spin-1 particles with a general pairwise interaction $ [ {\rm cos} γ({\bf S}_{l} \cdot {\bf S}_{l+1}) \ + {\rm sin} γ({\bf S}_{l} \cdot {\bf S}_{l+1})^2 \…
cond-mat.supr-con2003
Supercurrent and noise in point contact between two different superconductors
S. K. Yip
We show that, for a quantum point contact between two superconductors of different gap magnitudes, Andreev bound states do not exist for certain phase differences and gap ratios. C…