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10 papers · 1 filter
Heat capacity of suspended phonon cavities
Andre Gusso, Luis G. C. Rego
We present a detailed analysis of the vibrational spectrum and heat capacity of suspended mesoscopic dielectric plates, for various thickness-to-side ratios at sub-Kelvin temperatu…
Importance of the V 3d-O 2p hybridization in the Mott-Hubbard material V2O3
R. J. O. Mossanek, M. Abbate
We studied the changes in the electronic structure of V2O3 using a cluster model. The calculations included fluctuations from the coherent band in the metallic phase, and non-local…
Cluster model calculations with non-local screening channels of metallic and insulating VO2
R. J. O. Mossanek, M. Abbate
We studied the changes in the electronic structure of VO2 across the metal-insulator transition. The main technique was cluster model calculations with non-local screening channels…
Optical response of metallic and insulating VO2 calculated with the LDA approach
R. J. O. Mossanek, M. Abbate
We calculated the optical response of metallic and insulating VO2 using the LDA approach. The band structure calculation was based in the full-potential linear-muffin-tin method. T…
On the coalgebra description of OCHA
Eduardo Hoefel
OCHA is the homotopy algebra of open-closed strings. It can be defined as a sequence of multilinear operations on a pair of DG spaces satisfying certain relations which include the…
Evolution of the electronic structure across the filling-control and bandwidth-control metal-insulator transitions in pyrochlore-type Ru oxides
J. Okamoto, S. -I. Fujimori, T. Okane +4
We have performed photoemission and soft x-ray absorption studies of pyrochlore-type Ru oxides, namely, the filling-control system SmCaRuO and the bandwidth-con…