"Quantum computing with electrons floating on liquid helium"
Michigan State University
Electrons on a helium surface form a quasi two-dimensional system
which displays the highest mobility reached in condensed matter
physics. We propose to use this system as a set of interacting quantum
bits. We will briefly describe the system and discuss how the qubits can
be manipulated and how their state can be measured. We will also explain
the advantageous features of quantum computers and describe some of the
proposed systems. The working frequency of our quantum computer is
~1GHz. Careful analysis shows that the relaxation rate can be at least 5
orders of magnitude smaller, for low temperatures.