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Checkerboard Bose Hubbard Ladders using Transmon Arrays
Pranjal Praneel, Thomas G Kiely, Andre G Petukhov +1
Adding a sublattice bias to the two dimensional Bose Hubbard model greatly enriches the available physics, and introduces knobs which can be used to control and interrogate the qua…
Chiral Symmetry and Electron Spin Relaxation of Lithium Donors in Silicon
V. N. Smelyanskiy, A. G. Petukhov, A. M. Tyryshkin +4
We report theoretical and experimental studies of the longitudinal electron spin and orbital relaxation time of interstitial Li donors in Si. We predict that despite the nea…
Complete spin polarization of degenerate electrons in semiconductors near ferromagnetic contacts
A. G. Petukhov, V. N. Smelyanskiy, V. V. Osipov
We show that spin polarization of electron density in nonmagnetic degenerate semiconductors can achieve 100%. This effect is realized in ferromagnet-semiconductor - ju…
Electronic Control and Readout of Qubit States in Solid State Quantum Computing Systems
A. G. Petukhov, V. V. Osipov, V. N. Smelyanskiy
We demonstrate that an junction is the most suitable candidate for electronic control and readout of qubit states in quantum computing systems based on shallow impuriti…
Complete spin polarization of electrons in semiconductor layers and quantum dots
V. V. Osipov, A. G. Petukhov, V. N. Smelyanskiy
We demonstrate that non-equilibrium electrons in thin nonmagnetic semiconductor layers or quantum dots can be fully spin polarized by means of simultaneous electrical spin injectio…
Complete spin extraction from semiconductors near ferromagnet-semiconductor interfaces
V. V. Osipov, V. N. Smelyanskiy, A. G. Petukhov
We show that spin polarization of electrons in nonmagnetic semiconductors near specially tailored ferromagnet-semiconductor junctions can achieve 100%. This effect is realized even…