Collection of scientific works Nanosystems, nanomaterials, nanotechnologies Year 2024 Volume 22, Issue 4
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F.M. BUKHANKO

Excitation of 2D Majorana Fermions in Two Chiral States of a Quantum Spin Liquid in La0.15Sm0.85MnO3+delta Manganites Controlled by External Magnetic Field
769–784 (2024)

PACS numbers: 71.10.Pm, 73.43.Qt, 75.30.Et, 75.30.Kz, 75.47.Gk, 75.47.Lx, 81.05.Zx

In this work, we investigated the evolution of the low-energy spinon-pairs’ excitation in the first Landau zone in frustrated La0.15Sm0.85MnO3+delta manganites, caused by changes in the strength H of the measuring field. In samples La0.15Sm0.85MnO3+delta, an alternation of spiky double—peaks and truncated-hill—features of ‘supermagnetization’ M(T), characteristic of two types of excitation of 2D Majorana fermions in hidden topological states CSL1 and CSL2 of quantum chiral spin liquid (CSL), was detected

KEY WORDS: quantum spin liquid, Majorana zero modes, Dirac semi-metal, chiral spin liquid, frustrated manganites

DOI:  https://doi.org/10.15407/nnn.22.04.769

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