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pro vyhledávání: '"Hallén, Jonathan N."'
We study classical spin ice under uniaxial strain along the $[111]$ crystallographic axis. Remarkably, such strain preserves the extensive ice degeneracy and the corresponding classical Coulomb phase. The emergent monopole excitations remain thermody
Externí odkaz:
http://arxiv.org/abs/2406.18649
Autor:
Hsu, Chun-Chih, Takahashi, Hiroto, Jerzembeck, Fabian, Dasini, Jahnatta, Carroll, Chaia, Dusad, Ritika, Ward, Jonathan, Dawson, Catherine, Sharma, Sudarshan, Luke, Graeme, Blundell, Stephen J., Castelnovo, Claudio, Hallén, Jonathan N., Moessner, Roderich, Davis, J. C. Séamus
A recent advance in the study of emergent magnetic monopoles was the discovery that monopole motion is restricted to dynamical fractal trajectories (J. Hall\'en et al, Science 378, 1218 (2022)) thus explaining the characteristics of magnetic monopole
Externí odkaz:
http://arxiv.org/abs/2403.00726
Thermodynamics and fractal dynamics of nematic spin ice, a doubly frustrated pyrochlore Ising magnet
Publikováno v:
Phys. Rev. B 109, 014438 (2024)
The Ising antiferromagnets on the triangular and on the pyrochlore lattices are two of the most iconic examples of magnetic frustration, paradigmatically illustrating many exotic properties such as emergent gauge fields, fractionalisation, and topolo
Externí odkaz:
http://arxiv.org/abs/2308.16234
Autor:
Hallén, Jonathan N., Grigera, Santiago A., Tennant, D. Alan, Castelnovo, Claudio, Moessner, Roderich
Publikováno v:
Science 378, 1218 (2022)
Fractals -- objects with non-integer dimensions -- occur in manifold settings and length scales in nature, ranging from snowflakes and lightning strikes to natural coastlines. Much effort has been expended to generate fractals for use in many-body ph
Externí odkaz:
http://arxiv.org/abs/2211.00051
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
Autor:
Chun-Chih Hsu, Hiroto Takahashi, Jerzembeck, Fabian, Dasini, Jahnatta, Carroll, Chaia, Dusad, Ritika, Ward, Jonathan, Dawson, Catherine, Sharma, Sudarshan, Luke, Graeme M., Blundell, Stephen J., Castelnovo, Claudio, Hallén, Jonathan N., Moessner, Roderich, Davis, J. C. Séamus
Publikováno v:
Proceedings of the National Academy of Sciences of the United States of America; 5/21/2024, Vol. 121 Issue 21, p1-7, 45p
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Akademický článek
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Autor:
Samarakoon, Anjana M., Grigera, S. A., Tennant, D. Alan, Kirste, Alexander, Klemke, Bastian, Strehlow, Peter, Meissner, Michael, Hallén, Jonathan N., Jaubert, Ludovic, Castelnovo, Claudio, Moessner, Roderich
Publikováno v:
Proceedings of the National Academy of Sciences of the United States of America; Feb2022, Vol. 119 Issue 5, p1-6, 6p