Showing 2000 · cond-mat.str-elShow all

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cond-mat.str-el2000★ 20 cited

Non-Fermi liquid angle resolved photoemission lineshapes of Li0.9Mo6O17

G. -H. Gweon, J. D. Denlinger, J. W. Allen +4

A recent letter by Xue et al. (PRL v.83, 1235 ('99)) reports a Fermi-Liquid (FL) angle resolved photoemission (ARPES) lineshape for quasi one-dimensional Li0.9Mo6O17, contradicting…

cond-mat.str-el2000

n(k) Structure and Matrix Elements in Photoemission: Results from Insulating Ca_2CuO_2Cl_2

F. Ronning, C. Kim, K. M. Shen +5

The photon energy dependence of angle-resolved photoemission data on Ca_2CuO_2Cl_2 is presented, and the role of the matrix element is investigated. It is shown that despite strong…

cond-mat.str-el2000★ 534 cited

Thermodynamics of Spin S = 1/2 Antiferromagnetic Uniform and Alternating-Exchange Heisenberg Chains

D. C. Johnston, R. K. Kremer, M. Troyer +5

The magnetic susceptibility chi and specific heat C versus temperature T of the spin-1/2 antiferromagnetic alternating-exchange (J1 and J2) Heisenberg chain are studied for the ent…

cond-mat.str-el2000★ 35 cited

Modeling of the Magnetic Susceptibilities of the Ambient- and High-Pressure Phases of (VO)_{2}P_{2}O_{7}

D. C. Johnston, T. Saito, M. Azuma +3

The magnetic susceptibilities chi versus temperature T of powders and single crystals of the ambient-pressure (AP) and high-pressure (HP) phases of (VO)_{2}P_{2}O_{7} are analyzed…

cond-mat.str-el2000★ 14 cited

Charge localization and phonon spectra in hole doped La2NiO4

R. J. McQueeney, A. R. Bishop, Ya-Sha Yi +1

The in-plane oxygen vibrations in La2NiO4 are investigated for several hole-doping concentrations both theoretically and experimentally via inelastic neutron scattering. Using an i…

cond-mat.str-el2000★ 12 cited

Magnetic Susceptibilities of Spin-1/2 Antiferromagnetic Heisenberg Ladders and Applications to Ladder Oxide Compounds

D. C. Johnston, M. Troyer, S. Miyahara +11

A comprehensive theoretical and experimental study is presented of the magnetic susceptibility versus temperature χ(T) of spin S = 1/2 two- and three-leg Heisenberg ladders and lad…