Electron spin resonance shift in spin ladder compounds

Shunsuke C. Furuya; Pierre Bouillot; Corinna Kollath; Masaki Oshikawa; Thierry Giamarchi

doi:10.1103/PhysRevLett.108.037204

Electron spin resonance shift in spin ladder compounds

Strongly Correlated Electrons 2015-05-30 v2

Authors: Shunsuke C. Furuya , Pierre Bouillot , Corinna Kollath , Masaki Oshikawa , Thierry Giamarchi

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Abstract

We analyze the effects of different coupling anisotropies in spin-1/2 ladder on the Electron Spin Resonance (ESR) shift. Combining a perturbative expression in the anisotropies with temperature dependent Density Matrix Renormalization Group (T-DMRG) computation of the short range correlations, we provide the full temperature and magnetic field evolution of the ESR paramagnetic shift. We show that for well chosen parameters the ESR shift can be in principle used to extract quantitatively the anisotropies and, as an example, discuss the material $\mathrm{(C_5H_{12}N)_2CuBr_4}$ (BPCB).

Keywords

heisenberg spin chains magnetic anisotropy magnetic resonance

Cite

@article{arxiv.1107.5965,
  title  = {Electron spin resonance shift in spin ladder compounds},
  author = {Shunsuke C. Furuya and Pierre Bouillot and Corinna Kollath and Masaki Oshikawa and Thierry Giamarchi},
  journal= {arXiv preprint arXiv:1107.5965},
  year   = {2015}
}

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