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Frontmatter of Quantitative Economics Vol. 16 Iss. 1
Quantitative Economics, Volume 16, Issue 1, Page i-ii, January 2025.
wiley +1 more source
Evidence for Multiple Phase Transitions in La_1-xCa_xCoO_3
, 2006 We report thermal-expansion and specific-heat data of the series La_1-xCa_xCoO_3 for 0
Baier +10 more
core +1 more source
Frontmatter of Theoretical Economics Vol. 20 Iss. 1
Theoretical Economics, Volume 20, Issue 1, Page i-ii, January 2025.
wiley +1 more source
The de Haas-van Alphen effect in Kondo systems with crystalline electric field
, 2006 The effective mass probed by the de Haas-van Alphen oscillations is studied for a model Ce system under magnetic field higher than the Kondo energy. In the mean-field theory, the mass enhancement per Ce ion in the periodic system is identical with that ...
Endo +14 more
core +1 more source
Frontmatter of Quantitative Economics Vol. 15 Iss. 4
Quantitative Economics, Volume 15, Issue 4, Page i-ii, November 2024.
wiley +1 more source
Effect of Hund's rule coupling on SU(4) spin-orbital system
, 2006 We investigate the ground-state property of a one-dimensional two-orbital Hubbard model at quarter filling by numerical techniques such as the density-matrix renormalization group method and the exact diagonalization. When the Hund's rule coupling $J$ is
Dagotto +10 more
core +1 more source
Frontmatter of Theoretical Economics Vol. 19 Iss. 4
Theoretical Economics, Volume 19, Issue 4, Page i-ii, November 2024.
wiley +1 more source
Exact diagonalization studies of doped Heisenberg spin rings
, 2004 Motivated by magnetization studies of the "telephon number compound" Sr_14Cu_24O_41 we investigate doped Heisenberg spin rings by means of complete numerical diagonalization of a Heisenberg Hamiltonian that depends parametrically on hole positions.
Ammerahl +17 more
core +2 more sources