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Hyper Quantum Criticality

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Publications

Narrow-band and tunable intense terahertz pulses for mode-selective coherent phonon excitation

Author(s): C. Vicario, A. Trisorio, S. Allenspach, C. Rüegg, F. Giorgianni
Published in: Applied Physics Letters, 117/10, 2020, Page(s) 101101, ISSN 0003-6951
Publisher: American Institute of Physics
DOI: 10.1063/5.0015612

Giant Pressure Dependence and Dimensionality Switching in a Metal-Organic Quantum Antiferromagnet

Author(s): B. Wehinger, C. Fiolka, A. Lanza, R. Scatena, M. Kubus, A. Grockowiak, W. A. Coniglio, D. Graf, M. Skoulatos, J.-H. Chen, J. Gukelberger, N. Casati, O. Zaharko, P. Macchi, K. W. Krämer, S. Tozer, C. Mudry, B. Normand, Ch. Rüegg
Published in: Physical Review Letters, 121/11, 2018, ISSN 0031-9007
Publisher: American Physical Society
DOI: 10.1103/physrevlett.121.117201

Magnetic Field Dependence of Excitations Near Spin-Orbital Quantum Criticality

Author(s): A. Biffin, Ch. Rüegg, J. Embs, T. Guidi, D. Cheptiakov, A. Loidl, V. Tsurkan, R. Coldea
Published in: Physical Review Letters, 118/6, 2017, ISSN 0031-9007
Publisher: American Physical Society
DOI: 10.1103/physrevlett.118.067205

Bound States and Field-Polarized Haldane Modes in a Quantum Spin Ladder

Author(s): S. Ward, M. Mena, P. Bouillot, C. Kollath, T. Giamarchi, K. P. Schmidt, B. Normand, K. W. Krämer, D. Biner, R. Bewley, T. Guidi, M. Boehm, D. F. McMorrow, Ch. Rüegg
Published in: Physical Review Letters, 118/17, 2017, ISSN 0031-9007
Publisher: American Physical Society
DOI: 10.1103/physrevlett.118.177202

Observation of two types of fractional excitation in the Kitaev honeycomb magnet

Author(s): Nejc Janša, Andrej Zorko, Matjaž Gomilšek, Matej Pregelj, Karl W. Krämer, Daniel Biner, Alun Biffin, Christian Rüegg, Martin Klanjšek
Published in: Nature Physics, 14/8, 2018, Page(s) 786-790, ISSN 1745-2473
Publisher: Nature Publishing Group
DOI: 10.1038/s41567-018-0129-5

Floating Zone Growth of Sr Substituted Han Purple: Ba0.9Sr0.1CuSi2O6

Author(s): Pascal Puphal, Stephan Allenspach, Christian Rüegg, Ekaterina Pomjakushina
Published in: Crystals, 9/5, 2019, Page(s) 273, ISSN 2073-4352
Publisher: Multidisciplinary Digital Publishing Institute (MDPI)
DOI: 10.3390/cryst9050273

Thermal Control of Spin Excitations in the Coupled Ising-Chain Material RbCoCl 3

Author(s): M. Mena, N. Hänni, S. Ward, E. Hirtenlechner, R. Bewley, C. Hubig, U. Schollwöck, B. Normand, K. W. Krämer, D. F. McMorrow, Ch. Rüegg
Published in: Physical Review Letters, 124/25, 2020, ISSN 0031-9007
Publisher: American Physical Society
DOI: 10.1103/physrevlett.124.257201

Multiple Magnetic Bilayers and Unconventional Criticality without Frustration in Ba C u S i 2

Author(s): S. Allenspach, A. Biffin, U. Stuhr, G. S. Tucker, S. Ohira-Kawamura, M. Kofu, D. J. Voneshen, M. Boehm, B. Normand, N. Laflorencie, F. Mila, Ch. Rüegg
Published in: Physical Review Letters, 124/17, 2020, ISSN 0031-9007
Publisher: American Physical Society
DOI: 10.1103/physrevlett.124.177205