"Quantum Information Processing With Trapped Ions"*
John Chiaverini
NIST - Boulder and the University of Colorado
Wednesday, April 20, 2005 -11 AM - 12:00 Noon in 375 Le Conte Hall
Abstract
Confined atomic ions show promise as a scalable system for quantum
information processing. Long coherence times and the ability to coherently control the
quantum dynamics of quantum two-level systems (qubits) made up of atomic hyperfine levels
provide the basic building blocks of a quantum processor. The ions' motion in the
trapping potential supplies a method for coupling the qubits through entangling
gates. Using these operations it is possible to execute simple quantum algorithms.
Large-scale quantum computation will require fault-tolerant methods, however,
including error correction and a large number of physical qubits. Current work
in our group is aimed toward these goals; we have recently demonstrated a simple
quantum error-correcting code and are working on microfabricated ion trap arrays.
After an introduction to the system and some recently performed quantum algorithms,
I will describe our work toward this end.
- This work is suppored by ARDA/NSA and NIST
