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The European Physical Journal D

A planar Penning trap

S. Ståhl, Fernando Galve, Joseba Alonso, S. Djekić, W. Quint, T. Valenzuela, J. Verd�, Manuel Vogel, Günther Werth

Published Dec 6, 2004• 79 citations
Publisher
DOI
10.1140/epjd/e2004-00179-x

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A one-electron qubit would offer a new option for quantum information science, including the possibility of extremely long coherence times. One-quantum cyclotron transitions and spin flips have been observed for a single electron in a cylindrical Penning trap. However, an electron suspended in a planar Penning trap is a more promising building block for the array of coupled qubits needed for quantum information studies. The optimized design configurations identified here promise to make it possible to realize the elusive goal of one trapped electron in a planar Penning trap---a substantial step toward a one-electron qubit.