107 citations · 273 across the 11 of their papers we have counts for
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cond-mat.str-el2001★ 17 cited
Field theoretical study of a spin-1/2 ladder with unequal chain exchanges
Sujit Sarkar, Diptiman Sen
We study the low-energy properties of a Heisenberg spin-1/2 zigzag ladder with different exchange constants on the two chains. Using a nonlinear sigma-model field theory and abelia…
cond-mat.stat-mech2001★ 5 cited
Comment on ``Low-dimensional Bose liquids: beyond the Gross-Pitaevskii approximation''
R. K. Bhaduri, Diptiman Sen
This is a comment on the work of Kolomeisky et al., Phys. Rev. Lett. 85, 1146 (2000). We point out that they are using the wrong form of the energy functional for one-dimensional f…