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Testing for Unit Roots in a Nearly Nonstationary Spatial Autoregressive Process

Bhattacharyya, B.; Li, X.; Pensky, M.; Richardson, G. - In: Annals of the Institute of Statistical Mathematics 52 (2000) 1, pp. 71-83

Persistent link: https://www.econbiz.de/10005169191

Quasi-one dimensional graphite ribbon structures in the presence of a magnetic field and the on-site Coulomb correlation at half-filling

Chowdhury, J.; Sil, S.; Karmakar, S. N.; Bhattacharyya, B. - In: The European Physical Journal B - Condensed Matter and … 76 (2010) 3, pp. 435-444

We have presented the role of the Coulomb interaction (U) and the magnetic field <InlineEquation ID="IEq1"> <EquationSource Format="TEX">$\vec{B}$</EquationSource> </InlineEquation> on the ground state properties of the quasi-one dimensional graphite ribbon structures at half-filling. Mean field Hartree-Fock Approximation is used to study the systems. To understand the boundary...</equationsource></inlineequation>

Persistent link: https://www.econbiz.de/10009283068