Abstract
We discuss a possible realization of a quantum register with controllable decoherence in terms of \0> and \1> photon number states of a micromaser field. It is shown how to create in the Jaynes-Cummings model a superposition state of \0> and \1> photon number states inside a closed micromaser cavity. The loss of phase coherence between these two states can subsequently be measured by a second ...
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