Nonequilibrium Terahertz Dynamics of Interacting Quantum Spins: from Novel Driven States towards Coherent Controls

Project Information

DynaQuanta

Grant agreement ID: 950560

DOI

10.3030/950560

EC signature date 25 September 2020

Start date 1 July 2021

End date 31 December 2026

Funded under

• EXCELLENT SCIENCE - European Research Council (ERC)

Total cost

€ 1 840 898,75

EU contribution

€ 1 840 898,00

Coordinated by

TECHNISCHE UNIVERSITAT DORTMUND
Germany

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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)

"Nonlinear terahertz phononics in the Dirac semimetal <mml:math xmlns:mml=""http://www.w3.org/1998/Math/MathML""><mml:mrow><mml:msub><mml:mi>Cd</mml:mi><mml:mn>3</mml:mn></mml:msub><mml:msub><mml:mi>As<"

Author(s): Ahmed Ghalgaoui, Fan Yang, Patrick Pilch, Taehee Kang, Matthias Runge, Shengying Yue, Yubi Chen, Yunkun Yang, Faxian Xiu, Xian-Lei Sheng, Shengyuan A. Yang, Zhe Wang
Published in: Physical Review B, Issue 112, 2025, ISSN 2469-9950
Publisher: American Physical Society (APS)
DOI: 10.1103/y2bx-tkkq

Distinct Terahertz Third-Harmonic Generation of Many-Body Excitonic States

Author(s): Changqing Zhu, Anneke Reinold, Patrick Pilch, Sergey Kovalev, Julian Heckötter, Doris Reiter, Manfred Bayer, Marc Assmann, Zhe Wang
Published in: Physical Review Letters, Issue 134, 2025, ISSN 0031-9007
Publisher: American Physical Society
DOI: 10.1103/physrevlett.134.196503

"Field- and polarization-dependent quantum spin dynamics in the honeycomb magnet <mml:math xmlns:mml=""http://www.w3.org/1998/Math/MathML""><mml:mrow><mml:msub><mml:mi>Na</mml:mi><mml:mn>2</mml:mn></mml:msub><mml:msub><mml:mi>Co</mml:mi><mml:mn>2</mml:mn></mml:msub><mml:msub><mml:mi>TeO</mml:mi><mml:mn>6</mml:mn></mml:msub></mml:mrow></mml:math> : Magnetic excitations and continuum"

Author(s): Patrick Pilch; Laur Peedu; Anup Kumar Bera; S. M. Yusuf; Urmas Nagel; Toomas Rõõm; Zhe Wang
Published in: Physical Review B, 2023, ISSN 2469-9969
Publisher: American Physical Society
DOI: 10.1103/physrevb.108.l140406

Repulsively bound magnon excitations of a spin-1/2 XXZ chain in a staggered transverse field

Author(s): Halati, Catalin-Mihai; Wang, Zhe; Lorenz, Thomas; Kollath, Corinna; Bernier, Jean-Sébastien
Published in: Physical Review B, 2023, ISSN 2469-9969
Publisher: American Physical Society
DOI: 10.1103/physrevb.108.224429

Terahertz electro-optic Kerr effect in LaAlO₃

Author(s): Sergey Kovalev, Changqing Zhu, Anneke Reinold, Max Koch, Zirui Wang, Patrick Pilch, Ahmed Ghalgaoui, Siyu Duan, Cong Li, Jianbing Zhang, Pu Yu, Zhe Wang
Published in: Optics Letters, Issue 50, 2025, Page(s) 762, ISSN 0146-9592
Publisher: Optical Society of America
DOI: 10.1364/ol.551339

"Strong Terahertz Third-Harmonic Generation by Kinetic Heavy Quasiparticles in <mml:math xmlns:mml=""http://www.w3.org/1998/Math/MathML"" display=""inline""><mml:mrow><mml:msub><mml:mrow><mml:mi>CaRuO</mml:mi></mml:mrow><mml:mrow><mml:mn>3</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math>"

Author(s): Chris Reinhoffer, Sven Esser, Sebastian Esser, Evgeny A. Mashkovich, Semyon Germanskiy, Philipp Gegenwart, Frithjof Anders, Paul H. M. van Loosdrecht, Zhe Wang
Published in: Physical Review Letters, Issue 132, 2024, ISSN 0031-9007
Publisher: American Physical Society
DOI: 10.1103/physrevlett.132.196501

"Ultrafast dynamics of optically excited charge carriers in the room-temperature antiferromagnetic semiconductor <mml:math xmlns:mml=""http://www.w3.org/1998/Math/MathML""><mml:mi>α</mml:mi><mml:mtext>−</mml:mtext><mml:mi>MnTe</mml:mi></mml:math>"

Author(s): Changqing Zhu; Patrick Pilch; Anneke Reinold; Dennis Kudlacik; Gunther Springholz; Alberta Bonanni; Marc Assmann; Mirko Cinchetti; Zhe Wang
Published in: Physical Review Materials, 2023, ISSN 2475-9953
Publisher: American Physical Society
DOI: 10.1103/physrevmaterials.7.054601

Quantum spin dynamics of quasi-one-dimensional Heisenberg-Ising magnets in a transverse field: confined spinons, E ₈ spectrum, and quantum phase transitions

Author(s): Kirill Amelin; Johan Viirok; Urmas Nagel; Toomas Rõõm; Johannes Engelmayer; Tusharkanti Dey; Agustinus Agung Nugroho; Thomas Lorenz; Zhe Wang
Published in: Journal of Physics A: Mathematical and Theoretical, 2022, Page(s) 15, ISSN 1751-8113
Publisher: Institute of Physics Publishing
DOI: 10.1088/1751-8121/aca6b8

Experimental observation of repulsively bound magnons

Author(s): Zhe Wang, Catalin-Mihai Halati, Jean-Sébastien Bernier, Alexey Ponomaryov, Denis I. Gorbunov, Sandra Niesen, Oliver Breunig, J. Michael Klopf, Sergei Zvyagin, Thomas Lorenz, Alois Loidl, Corinna Koll
Published in: Nature, Issue 631, 2024, Page(s) 760-764, ISSN 0028-0836
Publisher: Nature Publishing Group
DOI: 10.1038/s41586-024-07599-3

"Population inversion and ultrafast terahertz nonlinearity of transient Dirac fermions in <mml:math xmlns:mml=""http://www.w3.org/1998/Math/MathML""><mml:mrow><mml:msub><mml:mi>Cd</mml:mi><mml:mn>3</mml:mn></mml:msub><mml:msub><mml:mi>As</mml:mi><mml:mn>2</mml:mn></mml:msub></mml:mrow></mml:math>"

Author(s): Changqing Zhu, Patrick Pilch, Renato M. A. Dantas, Anneke Reinold, Yunkun Yang, Faxian Xiu, Amilcar Bedoya-Pinto, Stuart S. P. Parkin, Roderich Moessner, Zhe Wang
Published in: Physical Review B, Issue 109, 2024, ISSN 2469-9950
Publisher: American Physical Society
DOI: 10.1103/physrevb.109.l201111

Ultrafast unidirectional spin Hall magnetoresistance driven by terahertz light field

Author(s): Ruslan Salikhov, Igor Ilyakov, Anneke Reinold, Jan-Christoph Deinert, Thales V. A. G. de Oliveira, Alexey Ponomaryov, Gulloo Lal Prajapati, Patrick Pilch, Ahmed Ghalgaoui, Max Koch, Jürgen Fassbender
Published in: Nature Communications, Issue 16, 2025, ISSN 2041-1723
Publisher: Nature Publishing Group
DOI: 10.1038/s41467-025-57432-2

"Low-energy spin excitations in field-induced phases of the spin-ladder antiferromagnet <mml:math xmlns:mml=""http://www.w3.org/1998/Math/MathML""><mml:mrow><mml:msub><mml:mi>BiCu</mml:mi><mml:mn>2</mml"

Author(s): Patrick Pilch, Kirill Amelin, Gary Schmiedinghoff, Anneke Reinold, Changqing Zhu, Kirill Yu. Povarov, Sergei Zvyagin, Hans Engelkamp, Yin-Ping Lan, Guo-Jiun Shu, F. C. Chou, Urmas Nagel, Toomas Rõõm
Published in: Physical Review B, Issue 111, 2025, ISSN 2469-9950
Publisher: American Physical Society (APS)
DOI: 10.1103/physrevb.111.024423

Terahertz magneto-optical sampling in quartz glass

Author(s): Sergey Kovalev, Igor Ilyakov, Anneke Reinold, Patrick Pilch, Changqing Zhu, Ahmed Ghalgaoui, Ruslan Salikhov, Jürgen Lindner, Zhe Wang
Published in: Optics Letters, Issue 49, 2024, Page(s) 4749, ISSN 0146-9592
Publisher: Optical Society of America
DOI: 10.1364/ol.534475

Ellipticity control of terahertz high-harmonic generation in a Dirac semimetal

Author(s): Semyon Germanskiy; Renato M. A. Dantas; Sergey Kovalev; Chris Reinhoffer; Evgeny A. Mashkovich; Paul H. M. van Loosdrecht; Yunkun Yang; Faxian Xiu; Piotr Surówka; Roderich Moessner; Takashi Oka; Zhe Wang
Published in: Physical Review B, 2022, Page(s) 6, ISSN 2469-9950
Publisher: American Physical Society
DOI: 10.1103/physrevb.106.l081127

"Quantum spin dynamics of the honeycomb magnet <mml:math xmlns:mml=""http://www.w3.org/1998/Math/MathML""><mml:mrow><mml:msub><mml:mi mathvariant=""normal"">K</mml:mi><mml:mn>2</mml:mn></mml:msub><mml:msu"

Author(s): Patrick Pilch, Laur Peedu, Urmas Nagel, Toomas Rõõm, Changqing Zhu, Yurii Skourski, Xianghan Xu, Robert J. Cava, Zhe Wang
Published in: Physical Review B, Issue 112, 2025, ISSN 2469-9950
Publisher: American Physical Society (APS)
DOI: 10.1103/dnpq-lnrm

Magnetization process of a quasi-two-dimensional quantum magnet: Two-step symmetry restoration and dimensional reduction

Author(s): Anneke Reinold, Lucas Berger, Marcin Raczkowski, Zhiying Zhao, Yoshimitsu Kohama, Masaki Gen, Denis I. Gorbunov, Yurii Skourski, Sergei Zherlitsyn, Fakher F. Assaad, Thomas Lorenz, Zhe Wang
Published in: Physical Review B, Issue 111, 2025, ISSN 2469-9950
Publisher: American Physical Society (APS)
DOI: 10.1103/physrevb.111.l100405

Terahertz Third-Harmonic Generation of Lightwave-Driven Weyl Fermions Far from Equilibrium

Author(s): Patrick Pilch, Changqing Zhu, Sergey Kovalev, Renato M. A. Dantas, Amilcar Bedoya-Pinto, Stuart S. P. Parkin, Zhe Wang
Published in: Nano Letters, Issue 25, 2025, Page(s) 16637-16642, ISSN 1530-6984
Publisher: American Chemical Society
DOI: 10.1021/acs.nanolett.5c04143