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Displaying 42176 - 42200 of 74202

Enterprise Access Control Frameworks Using RBAC and XML Technologies

January 1, 2003
Author(s)
Ramaswamy Chandramouli
In this chapter, we show that we can develop an Enterprise Access Control Framework using Role-based Access Control (RBAC) and Extensible Markup Language (XML) technologies. In the first section, we outline the general requirements for the Enterprise

Estimation of Neutron Mean Wavelength From Rocking Curve Data

January 1, 2003
Author(s)
Kevin J. Coakley, Z Chowdhuri, W M. Snow, J M. Richardson, Maynard S. Dewey
At NIST, an in-beam neutron lifetime experiment is underway. In part of the experiment, a neutron detector is calibrated. The accuracy of the detector calibration depends, in part, on how accurately the mean wavelength of a neutron beam can be estimated

Experimental demonstration of robust, high-fidelity geometric two ion-qubit phase gate

January 1, 2003
Author(s)
Dietrich G. Leibfried, B. L. DeMarco, V Meyer, D Lucas, Murray D. Barrett, Joseph W. Britton, Wayne M. Itano, Branislav M. Jelenkovic, Christopher Langer, Till P. Rosenband, David J. Wineland
Universal logic gates for two quantum bits (qubits) form an essential ingredient of quantum computation. Dynamical gates have been proposed in the context of trapped ions; however, geometric phase gates (which change only the phase of the physical qubits)
Displaying 42176 - 42200 of 74202
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