THEORY OF COULOMB-BLOCKADE OF TUNNELING THROUGH A DOUBLE-QUANTUM DOT

We present a theory of Coulomb blockade oscillations in tunneling thro ugh a pair of quantum dots connected by a tunable tunneling junction. The positions and amplitudes of peaks in the linear conductance are di rectly related, respectively, to the ground state energy and to the dy namics of charge fluctuations. Our theory allows for a quantitative co mparison with the experimentally observed peak positions. In the stron g tunneling limit, we predict a striking powder-law temperature-depend ence of the peak amplitudes.