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Spin Relaxation in Ge/Si Core-Shell Nanowire Qubits
Yongjie Hu, Ferdinand Kuemmeth, Charles M. Lieber +1
Controlling decoherence is the most challenging task in realizing quantum information hardware. Single electron spins in gallium arsenide are a leading candidate among solid- state…
Scaling of Dynamical Decoupling for Spin Qubits
J. Medford, L. Cywinski, C. Barthel +3
We investigate scaling of coherence time, T2, with the number of π-pulses, n_π, in a singlet- triplet spin qubit using Carr-Purcell-Meiboom-Gill (CPMG) and concatenated dynamical d…
Hot Carrier Transport and Photocurrent Response in Graphene
Justin C. W. Song, Mark S. Rudner, Charles M. Marcus +1
Strong electron-electron interactions in graphene are expected to result in multiple-excitation generation by the absorption of a single photon. We show that the impact of carrier…
Decay of nuclear hyperpolarization in silicon microparticles
M. Lee, M. C. Cassidy, C. Ramanathan +1
We investigate the low-field relaxation of nuclear hyperpolarization in undoped and highly doped silicon microparticles at room temperature following removal from high field. For n…