Metal-non-metal transition and specific heat of Kondo insulators

We study the metal-non-metal transition in Kondo insulators such as (CexLa1_x)3 Bi4Pt3 as a function of x, magnetic field, pressure and temperature. The many body effects are treated diagonalizing the site Hamiltonian and embedding this solution into the lattice. The disorder is studied using a real...

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Autor principal: Busser, C.A
Otros Autores: Anda, E.V, Chiappe, Guillermo
Formato: Capítulo de libro
Lenguaje:Inglés
Publicado: Elsevier 2001
Acceso en línea:Registro en Scopus
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100 1 |a Busser, C.A. 
245 1 0 |a Metal-non-metal transition and specific heat of Kondo insulators 
260 |b Elsevier  |c 2001 
270 1 0 |m Anda, E.V.; Departamento de Fisica, PUC-Rio, CP 38071, 22452-970, Rio de Janeiro, RJ, Brazil; email: anda@fis.puc-rio.br 
504 |a Da Rosa Simoes, A.S., Iglesias, J.R., Rojo, A., Alascio, B.R., (1987) J. Phys. C, 21, p. 1941 
504 |a Anda, E.V., (1981) J. Phys. C, 14, pp. L1037 
504 |a Anda, E.V., Latge, A., (1988) J. Phys. C, 21, p. 4251 
504 |a Continentino, M.A., Japiassu, G.M., Troper, A., (1994) Phys. Rev. B, 49, p. 4432 
504 |a Continentino, M.A., Japiassu, G.M., Troper, A., (1995) J. Phys. Condens. Matter, 7, pp. L701 
504 |a Schlottmann, P., (1992) Phys. Rev. B, 43, p. 998 
504 |a Hundley, M.F., Canfield, P.C., Thompson, J.D., Fisk, Z., Lawrence, J.M., (1990) Phys. Rev. B, 42, p. 6842 
504 |a Hundley, M.F., Canfield, P.C., Thompson, J.D., Fisk, Z., (1994) Phys. Rev. B, 50, p. 18142 
506 |2 openaire  |e Política editorial 
520 3 |a We study the metal-non-metal transition in Kondo insulators such as (CexLa1_x)3 Bi4Pt3 as a function of x, magnetic field, pressure and temperature. The many body effects are treated diagonalizing the site Hamiltonian and embedding this solution into the lattice. The disorder is studied using a real space renormalization technique. The metal-insulator transition produced by the incorporation of La impurities is explained by the appearance of a delocalized level inside the conduction band. © 2001 Elsevier Science B.V. All rights reserved.  |l eng 
593 |a Departamento de Fisica, PUC-Rio, CP 38071, 22452-970, Rio de Janeiro, RJ, Brazil 
593 |a Departamento de Fisica, Universidad de Buenos Aires, Argentina 
690 1 0 |a HIGHLY CORRELATED ELECTRONS 
690 1 0 |a KONDO INSULATORS 
690 1 0 |a METAL-NON-METAL TRANSITION 
700 1 |a Anda, E.V. 
700 1 |a Chiappe, Guillermo 
773 0 |d Elsevier, 2001  |g v. 226-230  |h pp. 139-141  |k n. PART I  |p J Magn Magn Mater  |x 03048853  |w (AR-BaUEN)CENRE-5651  |t Journal of Magnetism and Magnetic Materials 
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