7 citations · 10 across the 2 of their papers we have counts for
4 papers
Zigzag materials: selective interchain couplings control the coexistence of one-dimensional physics and deviations from it
J. M. P. Carmelo, P. D. Sacramento, T. Stauber +1
The coexistence in the low-temperature spin-conducting phases of the zigzag materials BaCo2V2O8 and SrCo2V2O8 of one-dimensional (1D) physics with important deviations from it is n…
Vanishing spin stiffness in the spin-1/2 Heisenberg chain for any nonzero temperature
J. M. P. Carmelo, T. Prosen, D. K. Campbell
Whether at zero spin density and finite temperatures the spin stiffness of the spin- chain is finite or vanishes remains an unsolved and controversial issue,…
Curvature of Levels and Charge Stiffness of One-Dimensional Spinless Fermions
N. M. R. Peres, P. D. Sacramento, D. K. Campbell +1
Combining the Bethe Ansatz with a functional deviation expansion and using an asymptotic expansion of the Bethe Ansatz equations, we compute the curvature of levels D_n at any fill…
Pseudoparticle Description of the 1D Hubbard Model Electronic Transport Properties
N. M. R. Peres, J. M. P. Carmelo, D. K. Campbell +1
We extend the pseudoparticle transport description of the Hubbard chain to all energy scales. In particular we compute the mean value of the electric current transported by any Bet…