Abstract
We measured the temperature dependence and Josephson-coupling-energy ( E J) dependence of the zero-bias resistance of one-dimensional Josephson junction chains. Each junction in the chains was shunted by an ohmic resistance of several kΩ, and the charging energy was more than an order of magnitude larger than E J. The results for overdamped junction chains are in agreement with a theory considering phase fluctuation in the presence of dissipation.
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