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12 papers · 1 filter
Magnetoresistance, Micromagnetism and Domain Wall Effects in Epitaxial Fe and Co Structures with Stripe Domains
Andrew D. Kent, Ulrich Rüdiger, Jun Yu +2
We review our recent magnetotransport and micromagnetic studies of lithographically defined epitaxial thin film structures of bcc Fe and hcp Co with stripe domains. Micromagnetic s…
Experimental Realization of A Two Bit Phase Damping Quantum Code
Debbie Leung, Lieven Vandersypen, Xinlan Zhou +4
Using nuclear magnetic resonance techniques, we experimentally investigated the effects of applying a two bit phase error detection code to preserve quantum information in nuclear…
Plausibility Measures and Default Reasoning
Nir Friedman, Joseph Y. Halpern
We introduce a new approach to modeling uncertainty based on plausibility measures. This approach is easily seen to generalize other approaches to modeling uncertainty, such as pro…
First-Order Conditional Logic Revisited
Nir Friedman, Joseph Y. Halpern, Daphne Koller
Conditional logics play an important role in recent attempts to formulate theories of default reasoning. This paper investigates first-order conditional logic. We show that, as for…
Decoherence Free Subspaces for Quantum Computation
D. A. Lidar, I. L. Chuang, K. B. Whaley
Decoherence in quantum computers is formulated within the Semigroup approach. The error generators are identified with the generators of a Lie algebra. This allows for a comprehens…
Magnetoresistance of Epitaxial Fe Wires with Varied Domain Wall Structure
U. Ruediger, J. Yu, S. S. P. Parkin +1
The low temperature negative domain wall (DW) contribution to the resistivity observed in expitaxial Fe microstructures has been investigated as a function of film thickness. The D…