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Discovery of quantum phases in the Shastry-Sutherland compound SrCu2(BO3)2 under extreme conditions of field and pressure

Author

Listed:
  • Zhenzhong Shi

    (Duke University
    Soochow University)

  • Sachith Dissanayake

    (Duke University)

  • Philippe Corboz

    (University of Amsterdam)

  • William Steinhardt

    (Duke University)

  • David Graf

    (Florida State University)

  • D. M. Silevitch

    (California Institute of Technology)

  • Hanna A. Dabkowska

    (McMaster University)

  • T. F. Rosenbaum

    (California Institute of Technology)

  • Frédéric Mila

    (Ecole Polytechnique Fédérale de Lausanne (EPFL))

  • Sara Haravifard

    (Duke University
    Duke University)

Abstract

The 2-dimensional layered oxide material SrCu2(BO3)2, long studied as a realization of the Shastry-Sutherland spin topology, exhibits a range of intriguing physics as a function of both hydrostatic pressure and magnetic field, with a still debated intermediate plaquette phase appearing at approximately 20 kbar and a possible deconfined critical point at higher pressure. Here, we employ a tunnel diode oscillator (TDO) technique to probe the behavior in the combined extreme conditions of high pressure, high magnetic field, and low temperature. We reveal an extensive phase space consisting of multiple magnetic analogs of the elusive supersolid phase and a magnetization plateau. In particular, a 10 × 2 supersolid and a 1/5 plateau, identified by infinite Projected Entangled Pair States (iPEPS) calculations, are found to rely on the presence of both magnetic and non-magnetic particles in the sea of dimer singlets. These states are best understood as descendants of the full-plaquette phase, the leading candidate for the intermediate phase of SrCu2(BO3)2.

Suggested Citation

  • Zhenzhong Shi & Sachith Dissanayake & Philippe Corboz & William Steinhardt & David Graf & D. M. Silevitch & Hanna A. Dabkowska & T. F. Rosenbaum & Frédéric Mila & Sara Haravifard, 2022. "Discovery of quantum phases in the Shastry-Sutherland compound SrCu2(BO3)2 under extreme conditions of field and pressure," Nature Communications, Nature, vol. 13(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:13:y:2022:i:1:d:10.1038_s41467-022-30036-w
    DOI: 10.1038/s41467-022-30036-w
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    References listed on IDEAS

    as
    1. Jun-Ru Li & Jeongwon Lee & Wujie Huang & Sean Burchesky & Boris Shteynas & Furkan Çağrı Top & Alan O. Jamison & Wolfgang Ketterle, 2017. "A stripe phase with supersolid properties in spin–orbit-coupled Bose–Einstein condensates," Nature, Nature, vol. 543(7643), pages 91-94, March.
    2. Julian Léonard & Andrea Morales & Philip Zupancic & Tilman Esslinger & Tobias Donner, 2017. "Supersolid formation in a quantum gas breaking a continuous translational symmetry," Nature, Nature, vol. 543(7643), pages 87-90, March.
    3. Zhenzhong Shi & William Steinhardt & David Graf & Philippe Corboz & Franziska Weickert & Neil Harrison & Marcelo Jaime & Casey Marjerrison & Hanna A. Dabkowska & Frédéric Mila & Sara Haravifard, 2019. "Emergent bound states and impurity pairs in chemically doped Shastry-Sutherland system," Nature Communications, Nature, vol. 10(1), pages 1-9, December.
    4. Judit Romhányi & Karlo Penc & R. Ganesh, 2015. "Hall effect of triplons in a dimerized quantum magnet," Nature Communications, Nature, vol. 6(1), pages 1-6, November.
    5. E. Kim & M. H. W. Chan, 2004. "Probable observation of a supersolid helium phase," Nature, Nature, vol. 427(6971), pages 225-227, January.
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    Cited by:

    1. Ellen Fogh & Mithilesh Nayak & Oleksandr Prokhnenko & Maciej Bartkowiak & Koji Munakata & Jian-Rui Soh & Alexandra A. Turrini & Mohamed E. Zayed & Ekaterina Pomjakushina & Hiroshi Kageyama & Hiroyuki , 2024. "Field-induced bound-state condensation and spin-nematic phase in SrCu2(BO3)2 revealed by neutron scattering up to 25.9 T," Nature Communications, Nature, vol. 15(1), pages 1-10, December.
    2. T. Nomura & P. Corboz & A. Miyata & S. Zherlitsyn & Y. Ishii & Y. Kohama & Y. H. Matsuda & A. Ikeda & C. Zhong & H. Kageyama & F. Mila, 2023. "Unveiling new quantum phases in the Shastry-Sutherland compound SrCu2(BO3)2 up to the saturation magnetic field," Nature Communications, Nature, vol. 14(1), pages 1-7, December.
    3. Kirill Yu. Povarov & David E. Graf & Andreas Hauspurg & Sergei Zherlitsyn & Joachim Wosnitza & Takahiro Sakurai & Hitoshi Ohta & Shojiro Kimura & Hiroyuki Nojiri & V. Ovidiu Garlea & Andrey Zheludev &, 2024. "Pressure-tuned quantum criticality in the large-D antiferromagnet DTN," Nature Communications, Nature, vol. 15(1), pages 1-8, December.

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