Quantum computing with electrons floating on liquid helium. - Mark I. Dykman; Philip M. Platzman (Quantum Inf. Comput., 2001)

Quantum computing with perpetually coupled qubits: on-site localization of excitations. - Mark I. Dykman; L. F. Santos; M. Shapiro; Felix M. Izrailev (Quantum Inf. Comput., 2005)