Coulomb Charging at Large Conduction
Abstract
We discuss the suppression of Coulomb charging effects on a small metallic island coupled to an electrode by a tunnel junction. At high temperatures the quantum corrections to the classical charging energy Ec=e2/2C, where C is the island capacitance, are evaluated. At low temperatures the large quantum fluctuations of the island charge cause a strong reduction of the effective Ec which is determined explicitly in the limit of a large tunneling conductance.
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