Publications

Preprints

"How many spin liquids are there in Ca10Cr7O28?"
Rico Pohle, Han Yan, Nic Shannon
arXiv: 1711.03778

"A glassy phase in quenched disordered graphene and crystalline membranes"
O. Coquand, K. Essafi, J.-P. Kownacki, D. Mouhanna
arXiv: 1708.08364

"Generic nearest-neighbour kagome model: XYZ & Dzyaloshinskii-Moriya, and comparison to pyrochlore"
Karim Essafi, Owen Benton, L. D. C. Jaubert
arXiv: 1706.09101

"Experimental signatures of emergent quantum electrodynamics in a quantum spin ice"
Romain Sibille, Nicolas Gauthier, Han Yan, Monica Ciomaga Hatnean, Jacques Ollivier, Barry Winn, Geetha Balakrishnan, Michel Kenzelmann, Nic Shannon, Tom Fennell
arXiv:1706.03604

"Direct observation of spin-quadrupolar excitations in Sr2CoGe2O7 by high field ESR"
Mitsuru Akaki, Daichi Yoshizawa, Akira Okutani, Takanori Kida, Judit Romhányi, Karlo Penc, Masayuki Hagiwara
arXiv:1702.04158

"Symmetry and optical selection rules in graphene quantum dots"
Rico Pohle, Eleftheria G. Kavousanaki, Keshav M. Dani, Nic Shannon
arXiv:1610.01921

Publications

2017

"Competing spin liquids and hidden spin-nematic order in spin ice with frustrated transverse exchange"
Mathieu Taillefumier, Owen Benton, Han Yan, Ludovic Jaubert and Nic Shannon
Accepted for publication in Physical Review X [arXiv:1705.00148]

"Exact diagonalization and cluster mean-field study of triangular-lattice XXZ antiferromagnets near saturation"
Daisuke Yamamoto, Hiroshi Ueda, Ippei Danshita, Giacomo Marmorini, Tsutomu Momoi, Tokuro Shimokawa
Phys. Rev. B 96, 014431(2017)

"Clustering of Topological Charges in Kagome Classical Spin Liquid"
Mizoguchi Tomonari, L. D. C. Jaubert and Masafumi Udagawa
Phys. Rev. Lett. 119, 077207 (2017)

"Flat bands and Dirac cones in breathing lattices"
Karim Essafi, L. D. C. Jaubert and Masafumi Udagawa
J. Phys.: Condens. Matter 29 (2017) 315802

"Spin-Orbit Dimers and Non-Collinear Phases in d1 Cubic Double Perovskites"
Judit Romhányi, Leon Balents, George Jackeli
Phys. Rev. Lett. 118, 217202 (2017)

"Spin Ice Thin Film: Surface Ordering, Emergent Square Ice, and Strain Effects"
L.D.C. Jaubert , T. Lin, T.S. Opel, P.C.W. Holdsworth and M.J.P. Gingras
Phys. Rev. Lett. 118, 207206 (2017)

"Theory of multiple-phase competition in pyrochlore magnets with  anisotropic exchange, with application to Yb2Ti2O7, Er2Ti2O7 and Er2Sn2O7"
Han Yan, Owen Benton, L.D.C. Jaubert and Nic Shannon
Phys. Rev. B 95, 094422 (2017) 

2016

" Classical spin liquids in stacked triangular lattice Ising antiferromagnets"
D.T. Liu, F.J. Burnell, L.D.C. Jaubert and J.T. Chalker
Phys. Rev. B 94, 224413 (2016)

" The quantum origins of moment fragmentation in Nd2Zr2O7"
Owen Benton
Phys. Rev. B 94, 104430 (2016)
Featured on the OIST website, Phys.org, Nanowerk, Technobahn, Science Daily, Alpha Galileo, Health Medicinet , Nanotech Now , Science Newsline , International News Line and EurekAlert! from the AAAS.

"Out-of-equilibrium dynamics and extended textures of topological defects in spin ice"
M. Udagawa, L. D. C. Jaubert, C. Castelnovo and R. Moessner
​Phys. Rev. B 94, 104416 (2016)
Selected for inclusion in Kaleidoscope.

"Reentrance of disorder in the anisotropic shuriken Ising model"
Rico Pohle, Owen Benton and L. D. C. Jaubert
​Phys. Rev. B 94, 014429 (2016)

"A spin-liquid with pinch-line singularities on the pyrochlore lattice"
Owen Benton, L. D. C. Jaubert, Han Yan and Nic Shannon
Nature Communications 7, 11572 (2016)
Featured on the OIST website, Phys.org, Nanowerk, Technobahn, Science Daily, Science Newsline, Alpha Galileo and EurekAlert! from the AAAS.

"Theory of the NMR 1/T_1 relaxation rate in a quantum spin nematic in applied magnetic field"
Andrew Smerald and Nic Shannon
​Phys. Rev. B 93, 184419 (2016)

"Classical and quantum theories of proton disorder in hexagonal water ice" 
Owen Benton, Olga Sikora and Nic Shannon
Phys. Rev. B 93, 125143 (2016)
Featured on the OIST website, Asian Scientist, Technobahn, Science Daily, Science Newsline, Science Codex, Phys.org, Space Daily, My Informs, R&D and EurekAlert! from the AAAS.

"Novel phases in a square-lattice frustrated ferromagnet :1/3-magnetisation plateau, helicoidal spin-liquid and vortex crystal"
Luis Seabra, Philippe Sindzingre, Tsutomu Momoi and Nic Shannon
Phys. Rev. B. 93, 085132 (2016)

"Quantum solitons with emergent interactions in a model of cold atoms on the triangular lattice"
Hiroaki T. Ueda, Yutaka Akagi and Nic Shannon
Phys. Rev. A. 93, 021606(R) (2016)
Selected for inclusion in Kaleidoscope.

"A Kagome Map of Spin Liquids from XXZ to Dzyaloshinskii-Moriya Ferromagnet"
Karim Essafi, Owen Benton and L.D.C. Jaubert
Nature Communications 7, 10297 (2016)
Featured on the OIST website, Asian Scientist, Nanowerk, Technobahn, Science Daily, Science Newsline, Alpha Galileo, Science Codex, Phys.org and EurekAlert! from the AAAS.

2015

"Are multiphase competition & order-by-disorder the keys to understanding Yb2Ti2O7 ?"
L.D.C. Jaubert, Owen Benton, Jeffrey G. Rau, J. Oitmaa, R.R.P. Singh, Nic Shannon and Michel J.P. Gingras
Phys. Rev. Lett. 115, 267208 (2015)

"Ground-state selection and spin-liquid behaviour in the classical Heisenberg model on the breathing pyrochlore lattice" 
Owen Benton and Nic Shannon
J. Phys. Soc. Jpn. 84, 104710 (2015)

"Chain-based order and quantum spin liquids in dipolar spin ice"
Paul McClarty, Olga Sikora, Roderich Moessner, Karlo Penc, Frank Pollmann and Nic Shannon
Phys. Rev. B 92, 094418 (2015)

"Monopole holes in a Partially Ordered Spin Liquid" 
L.D.C. Jaubert 
Spin 5, 1540005 (2015)
Invited paper for the special issue on "Quantum Spin Ice and Liquid in Geometrically Frustrated Magnets"

"Multiferroicity in spin ice: towards a magnetic crystallography of Tb2Ti2O7 in a field" 
L.D.C. Jaubert and Roderich Moessner 
Phys. Rev. B 91, 214422 (2015)
Chosen as a PRB Editor's Suggestion
Featured on the OIST website, Phys.org, Alpha Galileo, Science Daily and Nanowerk

"Theory of inelastic neutron scattering in a field-induced spin-nematic state" 
Andrew Smerald, Hiroaki T. Ueda and Nic Shannon 
Phys. Rev. B 91, 174402 (2015)
Selected for inclusion in Kaleidoscope.

"Spontaneous formation of kagome network and Dirac half-metal on a triangular lattice"
Yutaka Akagi and Yukitoshi Motome
Phys. Rev. B 91, 155132 (2015)

"Magnetic phase diagram slightly below the saturation field in the stacked J1-J2 model in the square lattice with the J3 interlayer coupling"
Hiroaki T. Ueda
J. Phys. Soc. Jpn. 84, 023601 (2015)

"Surface and interface effects on a magnetic Chern insulator"
Ryo Ozawa, Masafumi Udagawa, Yutaka Akagi and Yukitoshi Motome
J. Phys.: Conf. Ser. 592 012130 (2015)

2014

"Semi-classical spin dynamics of the antiferromagnetic Heisenberg model on the kagome lattice"
M. Taillefumier, J Robert, C. L. Henley, R. Moessner, B. Canals
Phys. Rev. B 90, 064419 (2014)

"Cascade of field-induced magnetic transitions in a frustrated antiferromagnetic metal”
A. I. Coldea, L. Seabra, A. McCollam, A. Carrington, L. Malone, A. F. Bangura, D. Vignolles, P. G. van Rhee, R. D. McDonald, T. Sörgel, M. Jansen, N. Shannon, and R. Coldea
Phys. Rev. B 90, 020401(R) (2014)

"Reconstruction of Chiral Edge States in a Magnetic Chern Insulator”
Ryo Ozawa, Masafumi Udagawa, Yutaka Akagi, and Yukitoshi Motome
J. Phys. Soc. Jpn. 83, 073706 (2014)

“First order phase transitions in polymerized phantom membranes”
K. Essafi, J.-P. Kownacki, D. Mouhanna
Physical Rev. E 89, 042101 (2014)

"Magnetic-Moment Fragmentation and Monopole Crystallization"
M. Brooks-Bartlett, S.T. Banks, L.D.C. Jaubert, A. Harman-Clarke and P.C.W. Holdsworth
Phys.Rev. X 4, 011007 (2014)

2013

"Theory of spin excitations in a quantum spin-nematic state”
Andrew Smerald and Nic Shannon
Phys. Rev. B 88, 184430 (2013)

"Two-Dimensional Ferromagnetism of a 3He Film: Influence of Weak Frustration"
A. Casey, M. Neumann, B. Cowan, J. Saunders, and N. Shannon
Phys. Rev. Lett. 111, 125302 (2013)
Chosen as a PRL Editor's Suggestion and featured as a Research Highlight in Nature Physics. 

"Reflection and refraction process of spinwave in a ferromagnet/frustrated ferromagnet junction system"
Y. Sasaki and H. T. Ueda
J. Phys. Soc. Jpn. 82 (2013) 074604

"Theory of the Nuclear Magnetic 1/T1 Relaxation Rate in Conventional and Unconventional Magnets"
A. Smerald
Springer, 2013.
University of Bristol PhD thesis, singled out for publication as a Springer Thesis

"Magnetic monopoles: Entropy lost"
N. Shannon
Nature Physics 9, 326–327 (2013)
News and Views article on Nature Physics 9, 353–356 (2013).

"Active electromagnetic metamaterial based on spin torque oscillators"
G. Tatara, H. T. Ueda, K. Taguchi, Y. Sasaki, M. Nishijima and A. Takeuchi
Physical Review B 87, 155102 (2013)

"Nematic phase and phase separation near saturation field in frustrated ferromagnets"
H. T. Ueda and T. Momoi
Physical Review B, 87, 144417 (2013)

"Crystal Shape-Dependent Magnetic Susceptibility and Curie Law Crossover in the Spin Ices Dy2Ti2O7 and Ho2Ti2O7"
L. Bovo, L.D.C. Jaubert, P.C.W. Holdsworth and S.T. Bramwell
J. Phys.: Cond. Matter 25, 386002 (2013)

"Topological Sector Fluctuations and Curie Law Crossover in Spin Ice"
L.D.C. Jaubert, Mark Harris, Tom Fennell, Roger Melko, Steve Bramwell and Peter Holdsworth
Phys.Rev. X 3, 011014 (2013)

2012

"Seeing the light : experimental signatures of emergent electromagnetism in a quantum spin ice"
Owen Benton, Olga Sikora and Nic Shannon
Physical Review B 86, 075154 (2012)
Chosen as a PRB Editor's Suggestion and featured in Physics