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Island Nucleation in Silicon on Si(111) Growth under Chemical Vapor Deposition
K. E. Khor, Sankar Das Sarma
Recent experiments show that the islanding behavior during chemical vapor deposition (CVD) of Si on Si(111) using disilane (SiH) is quite different from that due to mol…
Temperature dependent effective mass renormalization in a Coulomb Fermi liquid
Ying Zhang, S. Das Sarma
We calculate numerically the quasiparticle effective mass (m*) renormalization as a function of temperature and electron density in two- and three-dimensional electron systems with…
Generalized survival in equilibrium step fluctuations
M. Constantin, S. Das Sarma
We investigate the dynamics of a generalized survival probability defined with respect to an arbitrary reference level (rather than the average) in equilibrium step fl…
Quasiparticle effective mass divergence in two dimensional electron systems
Ying Zhang, S. Das Sarma
Within the infinite series of ring (or bubble) diagram approximation for the electronic self-energy as appropriate for the long-range Coulomb interaction, we calculate the density-…
Quantum Information Protectorates in Coupled Quantum Dot Exchange Gates
V. W. Scarola, S. Das Sarma
Using exact diagonalization we study the low energy Hilbert space of the two-electron, two-quantum dot artificial molecule under a perpendicular magnetic field. We show that electr…
Pseudospin Quantum Computation in Semiconductor Nanostructures
V. W. Scarola, K. Park, S. Das Sarma
We theoretically show that spontaneously interlayer-coherent bilayer quantum Hall droplets should allow robust and fault-tolerant pseudospin quantum computation in semiconductor na…