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Dynamics of capacitively coupled double quantum dots
Martin R. Galpin, David E. Logan, H. R. Krishnamurthy
We consider a double dot system of equivalent, capacitively coupled semiconducting quantum dots, each coupled to its own lead, in a regime where there are two electrons on the doub…
Renormalization group study of capacitively coupled double quantum dots
Martin R. Galpin, David E. Logan, H. R. Krishnamurthy
The numerical renormalization group is employed to study a double quantum (DQD) dot system consisting of two equivalent single-level dots, each coupled to its own lead and with a m…
Coulomb Interactions and Nanoscale Electronic Inhomogeneities in Manganites
Vijay B. Shenoy, Tribikram Gupta, H. R. Krishnamurthy +1
We address the issue of endemic electronic inhomogeneities in manganites using extensive simulations on a new model with Coulomb interactions amongst two electronic fluids, one loc…
Instabilities and Insulator-Metal transitions in Half-Doped Manganites induced by Magnetic-Field and Doping
O. Cepas, H. R. Krishnamurthy, T. V. Ramakrishnan
We discuss the phase diagram of the two-orbital model of half-doped manganites by calculating self-consistently the Jahn-Teller (JT) distortion patterns, charge, orbital and magnet…