activity
20202026
most citedTerahertz field-driven magnon upconversion in an antiferromagnet

98 citations · 222 across the 12 of their papers we have counts for

collaborators

13 papers

cond-mat.str-el2026

Crystal Field-Phonon Coupling in ErFeO Single Crystal Via Inelastic Neutron Scattering

Guochu Deng, Xiaoxuan Ma, Wanting Yang +4

Crystal-field (CF) excitations and their coupling to lattice vibrations were investigated in ErFeO using inelastic neutron scattering. Pronounced modifications of the excitatio…

cond-mat.mtrl-sci2026

Observation of Magnetic-Anisotropy Crossover and High-Temperature Skyrmions in the Dirac Magnet Fe3Ge with a Distorted Kagome Lattice

Yalei Huang, Xiaowei Lv, Bin Li +13

Topological materials that simultaneously host robust high-temperature skyrmions and nontrivial electronic band structures have attracted tremendous interest owing to their distinc…

cond-mat.mtrl-sci2026

Emergence of multiple quasi-ferromagnetic magnon modes induced by strong magnetoelastic coupling in single crystal

Sourabh Manna, Felix Fuhrmann, Sergio Rodríguez Fernández +8

We investigate the magnetization dynamics of single crystals across the spin-reorientation phase transition using broadband microwave absorption spectroscopy up to 87.5 G…

cond-mat.mtrl-sci2026

Electrically Accessible Metamagnetic Transition via a Doping-Induced Low-Energy Magnetic State in Antiferromagnetic Insulator RFeO3

Wanting Yang, Haohuan Peng, Ziming Wang +7

Low-energy antiferromagnetic phase transitions offer an appealing platform for low-power spintronic functionalities, yet their direct electrical access in insulating antiferromagne…

cond-mat.mtrl-sci2025

Observation of cooperative strong coupling between optical phonon and crystal-field excitations in a pseudo Jahn-Teller system

Fangliang Wu, Xiaoxuan Ma, Zhongwei Zhang +6

Cooperative interactions between localized electronic excitations and crystal lattice are central to the emergence of complex structural phases in materials. However, the scaling r…

cond-mat.mtrl-sci2025

Altermagnetic magnon transport in the \textit{d}-wave altermagnet \ch{LuFeO3}

Edgar Galindez-Ruales, Wanting Yang, Tobias Dannegger +11

Altermagnets exhibit a spin-split band structure despite having zero net magnetization, leading to special magnonic properties such as anisotropic magnon lifetimes and field-free s…

cond-mat.mtrl-sci2024★ 8 cited

Terahertz stimulated parametric downconversion of a magnon mode in an antiferromagnet

Zhuquan Zhang, Yu-Che Chien, Man Tou Wong +6

In condensed matter systems, interactions between collective modes offer avenues for nonlinear coherent manipulation of coupled excitations and quantum phases. Antiferromagnets, wi…

quant-ph2024★ 22 cited

Observation of the Magnonic Dicke Superradiant Phase Transition

Dasom Kim, Sohail Dasgupta, Xiaoxuan Ma +16

Two-level atoms coupled with single-mode cavity photons are predicted to exhibit a quantum phase transition when the coupling strength exceeds a critical value, entering a phase in…

cond-mat.str-el2023

Large Energy Shifts of Crystal-field Excitations in Erbium Orthoferrite Driven by Internal Magnetic Fields

Guochu Deng, Xiaoxuan Ma, Zhenjie Feng +5

Due to the complex interactions between rare-earth elements and transition metals, as well as between themselves, rare-earth transition-metal oxides are likely to exhibit highly in…

quant-ph2023★ 9 cited

Quantum Simulation of an Extended Dicke Model with a Magnetic Solid

Nicolas Marquez Peraca, Xinwei Li, Jaime M. Moya +13

The Dicke model describes the cooperative interaction of an ensemble of two-level atoms with a single-mode photonic field and exhibits a quantum phase transition as a function of l…

cond-mat.mes-hall2022★ 1 cited

Magnetically Tuned Continuous Transition from Weak to Strong Coupling in Terahertz Magnon Polaritons

Andrey Baydin, Kenji Hayashida, Takuma Makihara +11

Depending on the relative rates of coupling and dissipation, a light-matter coupled system is either in the weak- or strong-coupling regime. Here, we present a unique system where…

cond-mat.mtrl-sci2022★ 98 cited

Terahertz field-driven magnon upconversion in an antiferromagnet

Zhuquan Zhang, Frank Y. Gao, Yu-Che Chien +10

Tailored light excitation and nonlinear control of lattice vibrations have emerged as powerful strategies to manipulate the properties of quantum materials out of equilibrium. Gene…

quant-ph2020★ 84 cited

Ultrastrong Magnon-Magnon Coupling Dominated by Antiresonant Interactions

Takuma Makihara, Kenji Hayashida, G. Timothy Noe +13

Exotic quantum vacuum phenomena are predicted in cavity quantum electrodynamics (QED) systems with ultrastrong light-matter interactions. Their ground states are predicted to be va…