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cond-mat.mes-hall2009
Josephson decoupling phase in inhomoheneous arrays of superconducting quantum dots
Sujit Sarkar
We present a study of quantum phase analysis of inhomogeneous and homogeneous arrays of superconducting quantum dots (SQD). We observe the existance of Josephson decouple (JD) phas…
cond-mat.mes-hall2009
Quantum field theoretical study of an effective spin model in coupled optical cavity arrays
Sujit Sarkar
Atoms trapped in microcavities and interacting through the exchange of virtual photons can model an anisotropic Heisenberg spin-1/2 lattice. We do the quantum field theoretical stu…
cond-mat.mes-hall2008
Fractionally Quantized Cooper Pair Stair Case in Superconducting Quantum Dots
Sujit Sarkar
We study clean superconducting quantum dots (SQD) and also site dependent Josephson couplings, on site charging energies and the intersite interactions in presence of gate voltage.…