Probing multi-spinon excitations outside of the two-spinon continuum in the antiferromagnetic spin chain cuprate Sr2CuO3

Schlappa, J; Kumar, U; Zhou, KJ; Singh, S; Mourigal, M; Strocov, VN; Revcolevschi, A; Patthey, L; Ronnow, HM; Johnston, S; Schmitt, T

Schlappa, J (reprint author), European Xray Free Electron Laser Facil GmbH, Holzkoppel 4, D-22869 Schenefeld, Germany.; Schlappa, J; Schmitt, T (reprint author), Paul Scherrer Inst, Photon Sci Div, CH-5232 Villigen, Switzerland.; Johnston, S (reprint auth

NATURE COMMUNICATIONS, 2018; 9 ():

Abstract

One-dimensional (1D) magnetic insulators have attracted significant interest as a platform for studying quasiparticle fractionalization, quantum criti......

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