@article{ISI:000229074300045,
 abstract = {We investigate two equivalent, capacitively coupled semiconducting
quantum dots, each coupled to its own lead, in a regime where there are
two electrons on the double dot. With increasing interdot coupling, a
rich range of behavior is uncovered: first a crossover from spin- to
charge-Kondo physics, via an intermediate SU(4) state with entangled
spin and charge degrees of freedom, followed by a quantum phase
transition of Kosterlitz-Thouless type to a non-Fermi-liquid
``charge-ordered″ phase with finite residual entropy and anomalous
transport properties. Physical arguments and numerical renormalization
group methods are employed to obtain a detailed understanding of the
problem.},
 article-number = {186406},
 author = {Galpin, MR and Logan, DE and Krishnamurthy, HR},
 doi = {10.1103/PhysRevLett.94.186406},
 issn = {0031-9007},
 journal = {PHYSICAL REVIEW LETTERS},
 month = {MAY 13},
 number = {18},
 times-cited = {81},
 title = {Quantum phase transition in capacitively coupled double quantum dots},
 unique-id = {ISI:000229074300045},
 volume = {94},
 year = {2005}
}