Emergence from Quantum Frustration and Topology

Project Information

EQFT

Grant agreement ID: 788814

DOI

10.3030/788814

Project closed

EC signature date 22 May 2018

Start date 1 October 2018

End date 31 December 2024

Funded under

• EXCELLENT SCIENCE - European Research Council (ERC)

Total cost

€ 2 500 000,00

EU contribution

€ 2 500 000,00

Coordinated by

THE CHANCELLOR, MASTERS AND SCHOLARS OF THE UNIVERSITY OF OXFORD
United Kingdom

CORDIS provides links to public deliverables and publications of HORIZON projects.

Links to deliverables and publications from FP7 projects, as well as links to some specific result types such as dataset and software, are dynamically retrieved from OpenAIRE .

Publications

Peer reviewed articles (17)

"Tuning the confinement potential between spinons in the Ising chain compound <mml:math xmlns:mml=""http://www.w3.org/1998/Math/MathML""><mml:mrow><mml:msub><mml:mi>CoNb</mml:mi><mml:mn>2</mml:mn></mml:msub><mml:msub><mml:mi mathvariant=""normal"">O</mml:mi><mml:mn>6</mml:mn></mml:msub></mml:mrow></mml:math> using longitudinal fields and quantitative determination of the microscopic Hamiltonian"

Author(s): Leonie Woodland, David Macdougal, Ivelisse M. Cabrera, Jordan D. Thompson, D. Prabhakaran, Robert I. Bewley, Radu Coldea
Published in: Physical Review B, Issue 108, 2023, Page(s) 184416, ISSN 2469-9950
Publisher: American Physical Society
DOI: 10.1103/physrevb.108.184416

Avoided quasiparticle decay and enhanced excitation continuum in the spin- 1 2 near-Heisenberg triangular antiferromagnet Ba 3 CoSb

Author(s): David Macdougal, Stephanie Williams, Dharmalingam Prabhakaran, Robert I. Bewley, David J. Voneshen, Radu Coldea
Published in: Physical Review B, Issue 102/6, 2020, ISSN 2469-9950
Publisher: Physical Review
DOI: 10.1103/physrevb.102.064421

Dynamic spin fluctuations in the frustrated A -site spinel Cu Al 2 O 4

Author(s): Hwanbeom Cho, R. Nirmala, Jaehong Jeong, Peter J. Baker, Hikaru Takeda, Nobuyoshi Mera, Stephen J. Blundell, Masashi Takigawa, D. T. Adroja, Je-Geun Park
Published in: Physical Review B, Issue 102/1, 2020, ISSN 2469-9950
Publisher: Physical Review
DOI: 10.1103/physrevb.102.014439

Anisotropic magnetic interactions in a candidate Kitaev spin liquid close to a metal-insulator transition

Author(s): Zeyu Ma, Danrui Ni, David A. S. Kaib, Kylie MacFarquharson, John S. Pearce, Robert J. Cava, Roser Valentí, Radu Coldea, Amalia I. Coldea
Published in: Communications Physics, Issue 7, 2024, Page(s) 390, ISSN 2399-3650
Publisher: Nature Publishing Group
DOI: 10.1038/s42005-024-01873-6

"Excitations of quantum Ising chain <mml:math xmlns:mml=""http://www.w3.org/1998/Math/MathML""><mml:mrow><mml:msub><mml:mtext>CoNb</mml:mtext><mml:mn>2</mml:mn></mml:msub><mml:msub><mml:mtext>O</mml:mtext><mml:mn>6</mml:mn></mml:msub></mml:mrow></mml:math> in low transverse field: Quantitative description of bound states stabilized by off-diagonal exchange and applied field"

Author(s): Leonie Woodland, Izabella Lovas, M. Telling, D. Prabhakaran, Leon Balents, Radu Coldea
Published in: Physical Review B, Issue 108, 2023, Page(s) 184417, ISSN 2469-9950
Publisher: American Physical Society
DOI: 10.1103/physrevb.108.184417

"High-energy spin waves in the spin-1 square-lattice antiferromagnet <mml:math xmlns:mml=""http://www.w3.org/1998/Math/MathML""><mml:mrow><mml:msub><mml:mi>La</mml:mi><mml:mn>2</mml:mn></mml:msub><mml:msub><mml:mi>NiO</mml:mi><mml:mn>4</mml:mn></mml:msub></mml:mrow></mml:math>"

Author(s): A. N. Petsch, N. S. Headings, D. Prabhakaran, A. I. Kolesnikov, C. D. Frost, A. T. Boothroyd, R. Coldea, S. M. Hayden
Published in: Physical Review Research, Issue 5, 2023, Page(s) 033113, ISSN 2643-1564
Publisher: American Physical Society
DOI: 10.1103/physrevresearch.5.033113

Selective Synthesis and Crystal Chemistry of Candidate Rare-Earth Kitaev Materials: Honeycomb and Hyperhoneycomb Na₂PrO₃

Author(s): Ryutaro Okuma, Kylie MacFarquharson, Radu Coldea
Published in: Inorganic Chemistry, Issue 63, 2024, Page(s) 15941-15950, ISSN 0020-1669
Publisher: American Chemical Society
DOI: 10.1021/acs.inorgchem.4c02294

"Anisotropy of the zigzag order in the Kitaev honeycomb magnet <mml:math xmlns:mml=""http://www.w3.org/1998/Math/MathML""><mml:mrow><mml:mi>α</mml:mi><mml:mtext>−</mml:mtext><mml:msub><mml:mi>RuBr</mml:mi><mml:mn>3</mml:mn></mml:msub></mml:mrow></mml:math>"

Author(s): John S. Pearce, David A. S. Kaib, Zeyu Ma, Danrui Ni, R. J. Cava, Roser Valentí, Radu Coldea, Amalia I. Coldea
Published in: Physical Review B, Issue 110, 2024, Page(s) 214404, ISSN 2469-9950
Publisher: American Physical Society
DOI: 10.1103/physrevb.110.214404

Pressure-induced transition from J eff = 1 / 2 to S =

Author(s): Hwanbeom Cho, Choong H. Kim, Yongmoon Lee, Kazuki Komatsu, Byeong-Gwan Cho, Deok-Yong Cho, Taehun Kim, Chaebin Kim, Younghak Kim, Tae Yeong Koo, Yukio Noda, Hiroyuki Kagi, Daniel I. Khomskii, Donghoon Seoung, Je-Geun Park
Published in: Physical Review B, Issue 103/8, 2021, ISSN 2469-9950
Publisher: Physical Review
DOI: 10.1103/physrevb.103.l081101

Quantifying and Controlling Entanglement in the Quantum Magnet Cs 2

Author(s): Pontus Laurell, Allen Scheie, Chiron J. Mukherjee, Michael M. Koza, Mechtild Enderle, Zbigniew Tylczynski, Satoshi Okamoto, Radu Coldea, D. Alan Tennant, Gonzalo Alvarez
Published in: Physical Review Letters, Issue 127/3, 2021, ISSN 0031-9007
Publisher: American Physical Society
DOI: 10.1103/physrevlett.127.037201

Glide symmetry breaking and Ising criticality in the quasi-1D magnet CoNb 2 O 6

Author(s): Michele Fava, Radu Coldea, S. A. Parameswaran
Published in: Proceedings of the National Academy of Sciences, Issue 117/41, 2020, Page(s) 25219-25224, ISSN 0027-8424
Publisher: National Academy of Sciences
DOI: 10.1073/pnas.2007986117

Spin dynamics of coupled spin ladders near quantum criticality in Ba 2 CuTeO 6

Author(s): David Macdougal, Alexandra S. Gibbs, Tao Ying, Stefan Wessel, Helen C. Walker, David Voneshen, Frédéric Mila, Hidenori Takagi, Radu Coldea
Published in: Physical Review B, Issue 98/17, 2018, Page(s) 174410-1 to 13, ISSN 2469-9950
Publisher: American Physical Society
DOI: 10.1103/physrevb.98.174410

Spin dynamics and field-induced magnetic phase transition in the honeycomb Kitaev magnet α − Li 2 IrO 3

Author(s): Sungkyun Choi, S. Manni, J. Singleton, C. V. Topping, T. Lancaster, S. J. Blundell, D. T. Adroja, V. Zapf, P. Gegenwart, R. Coldea
Published in: Physical Review B, Issue 99/5, 2019, Page(s) 054426-1 to 8, ISSN 2469-9950
Publisher: American Physical Society
DOI: 10.1103/PhysRevB.99.054426

High-resolution resonant inelastic x-ray scattering study of the electron-phonon coupling in honeycomb α − Li 2 IrO 3

Author(s): J. G. Vale, C. D. Dashwood, E. Paris, L. S. I. Veiga, M. Garcia-Fernandez, A. Nag, A. Walters, Ke-Jin Zhou, I.-M. Pietsch, Anton Jesche, P. Gegenwart, R. Coldea, T. Schmitt, D. F. McMorrow
Published in: Physical Review B, Issue 100/22, 2019, Page(s) 224303-1 to 12, ISSN 2469-9950
Publisher: American Physical Society
DOI: 10.1103/physrevb.100.224303

Chemical tuning between triangular and honeycomb structures in a 5 d spin-orbit Mott insulator

Author(s): R. D. Johnson, I. Broeders, K. Mehlawat, Y. Li, Yogesh Singh, R. Valentí, R. Coldea
Published in: Physical Review B, Issue 100/21, 2019, Page(s) 214113-1 to 12, ISSN 2469-9950
Publisher: American Physical Society
DOI: 10.1103/PhysRevB.100.214113

Compass-model physics on the hyperhoneycomb lattice in the extreme spin-orbit regime

Author(s): Ryutaro Okuma, Kylie MacFarquharson, Roger D. Johnson, David Voneshen, Pascal Manuel, Radu Coldea
Published in: Nature Communications, Issue 15, 2024, Page(s) 10615, ISSN 2041-1723
Publisher: Nature Publishing Group
DOI: 10.1038/s41467-024-53345-8

Order-by-disorder from bond-dependent exchange and intensity signature of nodal quasiparticles in a honeycomb cobaltate

Author(s): M. Elliot, P. A. McClarty, D. Prabhakaran, R. D. Johnson, H. C. Walker, P. Manuel, R. Coldea
Published in: Nature Communications, Issue 12/1, 2021, ISSN 2041-1723
Publisher: Nature Publishing Group
DOI: 10.1038/s41467-021-23851-0