Zobrazeno 1 - 10
of 594
pro vyhledávání: '"DO, S. H."'
Autor:
Lee, S., Choi, Y. S., Do, S. -H., Lee, W., Lee, C. H., Lee, M., Vojta, M., Wang, C. N., Luetkens, H., Guguchia, Z., Choi, K. -Y.
Publikováno v:
Nature Communications 14, 7405 (2023)
Kondo impurities provide a nontrivial probe to unravel the character of the excitations of a quantum spin liquid. In the S=1/2 Kitaev model on the honeycomb lattice, Kondo impurities embedded in the spin-liquid host can be screened by itinerant Major
Externí odkaz:
http://arxiv.org/abs/2311.11617
Autor:
Hauspurg, A., Zherlitsyn, S., Helm, T., Felea, V., Wosnitza, J., Tsurkan, V., Choi, K. -Y., Do, S. -H., Ye, Mengxing, Brenig, Wolfram, Perkins, Natalia B.
In this work, we study magnetoelastic interactions by means of ultrasound experiments in $\alpha$-RuCl$_3$ -- a prototypical material for the Kitaev spin model on the honeycomb lattice, with a possible spin-liquid state featuring Majorana fermions an
Externí odkaz:
http://arxiv.org/abs/2303.09288
Autor:
Pokharel, G., Arachchige, H. Suriya, Gao, S., Do, S. -H., Fishman, R. S., Ehlers, G., Qiu, Y., Rodriguez-Rivera, J. A., Stone, M. B., Zhang, H., Wilson, S. D., Mandrus, D., Christianson, A. D.
In the lacunar spinel GaV4S8, the interplay of spin, charge, and orbital degrees of freedom produces a rich phase diagram that includes an unusual Neel-type skyrmion phase composed of molecular spins. To provide insight into the interactions underlyi
Externí odkaz:
http://arxiv.org/abs/2110.12322
Akademický článek
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Autor:
Sahasrabudhe, A., Kaib, D. A. S., Reschke, S., German, R., Koethe, T. C., Buhot, J., Kamenskyi, D., Hickey, C., Becker, P., Tsurkan, V., Loidl, A., Do, S. H., Choi, K. Y., Grüninger, M., Winter, S. M., Wang, Zhe, Valenti, R., van Loosdrecht, P. H. M.
Publikováno v:
Phys. Rev. B 101, 140410 (2020)
Layered $\alpha$-RuCl3 has been discussed as a proximate Kitaev spin liquid compound. Raman and THz spectroscopy of magnetic excitations confirm that the low-temperature antiferromagnetic ordered phase features a broad Raman continuum, together with
Externí odkaz:
http://arxiv.org/abs/1908.11617
Autor:
Pocs, Christopher A., Leahy, Ian A., Zheng, Hao, Cao, Gang, Choi, Eun-Sang, Do, S. -H., Choi, Kwang-Yong, Normand, B., Lee, Minhyea
Publikováno v:
Phys. Rev. Research 2, 013059 (2020)
Insulating quantum magnets lie at the forefront both of fundamental research into quantum matter and of technological exploitation in the increasingly applied field of spintronics. In this context, the magnetic thermal transport is a particularly sen
Externí odkaz:
http://arxiv.org/abs/1908.07004
Publikováno v:
Phys. Rev. B 100, 100403 (2019)
Spin liquids may host emergent quasiparticles, collective excitations of the spin degrees of freedom with characteristic features of Majorana fermions, which experimentally are detectable by broad excitation continua due to spin fractionalization. Th
Externí odkaz:
http://arxiv.org/abs/1902.10453
Publikováno v:
In Heliyon February 2023 9(2)
Autor:
Lee, W. -J., Do, S. -H., Yoon, Sungwon, Lee, S., Choi, Y. S., Jang, D. J., Brando, M., Lee, M., Choi, E. S., Ji, S., Jang, Z. H., Suh, B. J., Choi, K. -Y.
We report on thermodynamic, magnetization, and muon spin relaxation measurements of the strong spin-orbit coupled iridate Ba$_3$IrTi$_2$O$_9$, which constitutes a new frustration motif made up a mixture of edge- and corner-sharing triangles. In spite
Externí odkaz:
http://arxiv.org/abs/1707.03140
Autor:
Wang, Zhe, Reschke, S., Hüvonen, D., Do, S. -H., Choi, K. -Y., Gensch, M., Nage, U., Rõõm, T., Loidl, A.
Publikováno v:
Phys. Rev. Lett. 119, 227202 (2017)
We report on terahertz spectroscopy of quantum spin dynamics in $\alpha$-RuCl$_3$, a system proximate to the Kitaev honeycomb model, as a function of temperature and magnetic field. An extended magnetic continuum develops below the structural phase t
Externí odkaz:
http://arxiv.org/abs/1706.06157