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Low-Field Regime of Magnon Transport in Yttrium Iron Garnet
Hossein Taghinejad, Kohtaro Yamakawa, Xiaoxi Huang +4
Diffusive propagation of spin waves and their quanta - magnons - in the archetypal magnetic insulator yttrium iron garnet (YIG) is under a surge of research for low-power and low-l…
Ion-Assisted Nanoscale Material Engineering in Atomic Layers
Hossein Taghinejad, Mohammad Taghinejad, Sajjad Abdollahramezani +11
Achieving deterministic control over the properties of low-dimensional materials with nanoscale precision is a long-sought goal. Mastering this capability has a transformative impa…
Magnetoresistance and Anisotropic Spin Dynamics in Antiferromagnetic Semiconductor EuSnAs
R. P. Day, K. Yamakawa, L. Pritchard Cairns +4
We report on the thermodynamic and transport properties of the rare-earth Zintl compound EuSnAs, which orders as a canted antiferromagnetic magnetic semiconductor at 10…
Entanglement Randomness and Gapped Itinerant Carriers in a Frustrated Quantum Magnet
Luke Pritchard Cairns, Yuanqi Lyu, Chunxiao Liu +4
The quantum spin liquid (QSL) is a state manifesting extraordinary many-body entanglement, and the material NaYbSe is thought to be one of the most promising candidates for its…
Quantum decoherence by magnetic fluctuations in a magnetic topological insulator
Ruben Saatjian, Simon Dovrén, Kohtaro Yamakawa +3
In magnetic topological insulators, spontaneous time-reversal symmetry breaking by intrinsic magnetic order can gap the topological surface spectrum, resulting in exotic properties…
Good plasmons in a bad metal
Francesco L. Ruta, Yinming Shao, Swagata Acharya +12
Correlated materials may exhibit unusually high resistivity increasing linearly in temperature, breaking through the Mott-Ioffe-Regel bound, above which coherent quasiparticles are…