@article{ISI:000187118200018,
 abstract = {We study the transition at T = 0 from a ferromagnetic insulating to a
ferromagnetic metallic phase in manganites as a function of hole doping
using an effective low-energy model Hamiltonian proposed by us recently.
The model incorporates the quantum nature of the dynamic Jahn-Teller
(JT) phonons strongly coupled to orbitally degenerate electrons as well
as strong Coulomb correlation effects, and leads naturally to the
coexistence of localized (JT polaronic) and band-like electronic states.
We study the insulator-metal transition as a function of doping as well
as of the correlation strength U and JT gain in energy E-JT, and find,
for realistic values of parameters, a ground-state phase diagram in
agreement with experiments. We also discuss how several other features
of manganites as well as differences in behaviour among manganites can
be understood in terms of our model.},
 author = {Pai, GV and Hassan, SR and Krishnamurthy, HR and Ramakrishnan, TV},
 doi = {10.1209/epl/i2003-00282-0},
 issn = {0295-5075},
 journal = {EUROPHYSICS LETTERS},
 month = {DEC},
 number = {5},
 pages = {696-702},
 researcherid-numbers = {Pai, G. Venketeswara/A-1031-2009},
 times-cited = {22},
 title = {Zero-temperature insulator-metal transition in doped manganites},
 unique-id = {ISI:000187118200018},
 volume = {64},
 year = {2003}
}