Zobrazeno 1 - 10
of 196
pro vyhledávání: '"Samarakoon, A. M."'
Autor:
Taddei, K. M., Garlea, V. O., Samarakoon, A. M., Sanjeewa, L. D., Xing, J., Heitmann, T. W., Cruz, C. dela, Sefat, A. S., Parker, D.
Despite the exciting implications of the Kitaev spin-Hamiltonian, finding and confirming the quantum spin liquid state has proven incredibly difficult. Recently the applicability of the model has been expanded through the development of a microscopic
Externí odkaz:
http://arxiv.org/abs/2209.10651
Autor:
Samarakoon, Anjana M., Strempfer, J., Zhang, Junjie, Ye, Feng, Qiu, Yiming, Kim, J. -W., Zheng, H., Rosenkranz, S., Norman, M. R., Mitchell, J. F., Phelan, D.
Publikováno v:
Physical Review X 13, 041018 (2023)
Quantum materials display rich and myriad types of magnetic, electronic, and structural ordering, often with these ordering modes either competing with one another or 'intertwining', that is, reinforcing one another. Low dimensional quantum materials
Externí odkaz:
http://arxiv.org/abs/2208.08424
Autor:
Samarakoon, Anjana M., Laurell, Pontus, Balz, Christian, Banerjee, Arnab, Lampen-Kelley, Paula, Mandrus, David, Nagler, Stephen E., Okamoto, Satoshi, Tennant, D. Alan
Publikováno v:
Phys. Rev. Research 4, L022061 (2022)
Single crystal inelastic neutron scattering data contain rich information about the structure and dynamics of a material. Yet the challenge of matching sophisticated theoretical models with large data volumes is compounded by computational complexity
Externí odkaz:
http://arxiv.org/abs/2202.10715
Quantum materials research requires co-design of theory with experiments and involves demanding simulations and the analysis of vast quantities of data, usually including pattern recognition and clustering. Artificial intelligence is a natural route
Externí odkaz:
http://arxiv.org/abs/2110.15817
Autor:
Samarakoon, Anjana M., Sokolowski, Andre, Klemke, Bastian, Feyerherm, Ralf, Meissner, Michael, Borzi, R. A., Ye, Feng, Zhang, Qiang, Dun, Zhiling, Zhou, Haidong, Egami, T., Hallen, Jonathan N., Jaubert, Ludovic, Castelnovo, Claudio, Moessner, Roderich, Grigera, S. A., Tennant, D. Alan
Publikováno v:
Phys. Rev. Research 4, 033159 (2022)
The spin ice compound Dy$_2$Ti$_2$O$_7$ is well-known to realise a three-dimensional Coulomb spin liquid with magnetically charged monopole excitations. Its fate at low temperatures, however, remains an intriguing open question. Based on a low-temper
Externí odkaz:
http://arxiv.org/abs/2107.12305
Autor:
Samarakoon, Anjana M., Grigera, S. A., Tennant, D. Alan, Kirste, Alexander, Klemke, Bastian, Strehlow, Peter, Meissner, Michael, Hallen, Jonathan N., Jaubert, Ludovic, Castelnovo, Claudio, Moessner, Roderich
Publikováno v:
Proceedings of the National Academy of Sciences, Volume 119, Issue 5, article id.e2117453119 (2022))
The spin ice compound Dy_2Ti_2O_7 stands out as the first topological magnet in three dimensions, with its tell-tale emergent fractionalized magnetic monopole excitations. Its real-time dynamical properties have been an enigma from the very beginning
Externí odkaz:
http://arxiv.org/abs/2107.11379
The magnetic structures and spin dynamics of Na$_{2}$Co$_{2}$TeO$_{6}$ and Na$_{2}$Ni$_{2}$TeO$_{6}$ are investigated by means of elastic and inelastic neutron scattering measurements and the results are discussed in the context of a generalized Kita
Externí odkaz:
http://arxiv.org/abs/2105.06549
Autor:
Scheie, A., Laurell, Pontus, Samarakoon, A. M., Lake, B., Nagler, S. E., Granroth, G. E., Okamoto, S., Alvarez, G., Tennant, D. A.
Publikováno v:
Phys. Rev. B 103, 224434 (2021)
We demonstrate how quantum entanglement can be directly witnessed in the quasi-1D Heisenberg antiferromagnet KCuF$_3$. We apply three entanglement witnesses --- one-tangle, two-tangle, and quantum Fisher information --- to its inelastic neutron spect
Externí odkaz:
http://arxiv.org/abs/2102.08376
Machine learning promises to deliver powerful new approaches to neutron scattering from magnetic materials. Large scale simulations provide the means to realise this with approaches including spin-wave, Landau Lifshitz, and Monte Carlo methods. These
Externí odkaz:
http://arxiv.org/abs/2011.05685
Autor:
Samarakoon, S. M. Gayomi K.1 (AUTHOR), Ovchinnikov, Alexander2 (AUTHOR) alexovc@udel.edu, Baranets, Sviatoslav1 (AUTHOR) sbaranets@lsu.edu, Bobev, Svilen2 (AUTHOR) sbaranets@lsu.edu
Publikováno v:
Inorganics. Jan2024, Vol. 12 Issue 1, p3. 14p.