@article{ISI:000238970200003,
 abstract = {We consider a double dot system of equivalent, capacitively coupled
semiconducting quantum dots, each coupled to its own lead, in a regime
where there are two electrons on the double dot. Employing the numerical
renormalization group, we focus here on single-particle dynamics and the
zero-bias conductance, considering in particular the rich range of
behaviour arising as the interdot coupling is progressively increased
through the strong-coupling (SC) phase, from the spin-Kondo regime,
across the SU(4) point to the charge-Kondo regime, and then towards and
through the quantum phase transition to a charge-ordered ( CO) phase. We
first consider the two-self-energy description required to describe the
broken symmetry CO phase, and implications thereof for the non-Fermi
liquid nature of this phase. Numerical results for single-particle
dynamics on all frequency scales are then considered, with particular
emphasis on universality and scaling of low-energy dynamics throughout
the SC phase. The role of symmetry breaking perturbations is also
briefly discussed.},
 author = {Galpin, Martin R. and Logan, David E. and Krishnamurthy, H. R.},
 doi = {10.1088/0953-8984/18/29/002},
 issn = {0953-8984},
 journal = {JOURNAL OF PHYSICS-CONDENSED MATTER},
 month = {JUL 26},
 number = {29},
 pages = {6571-6583},
 times-cited = {19},
 title = {Dynamics of capacitively coupled double quantum dots},
 unique-id = {ISI:000238970200003},
 volume = {18},
 year = {2006}
}