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Measuring chiral phonons
Rahul Rao, Hanyu Zhu, Nicholas Kotov +7
Chiral phonons are quantized vibrations where the atomic motion in a solid breaks improper rotation symmetries. In many cases, chiral phonons possess angular momenta and are theref…
Raman and Terahertz Spectroscopy of Low-Frequency Chiral Phonons in Amino Acids
Rahul Rao, Won Jin Choi, Joseph M. Slocik +6
Chiral phonons are mirror-symmetric vibrations that correspond to twisting and rotational motions of atoms. In chiral biomolecules, they correspond to low-energy terahertz (THz)-ra…
Coupled Ferroelectricity and Phonon Chirality
Xiang-Bin Han, Cong Yang, Rui Sun +10
The ability to control chirality and chiral phonons offers a route to manipulate the direction of spin and angular-momentum transport. In materials with rigid structural chirality,…
Towards the First Realization of Weyl Magnons in the Non-Coplanar Antiferromagnet MnTe
Ahmed E. Fahmy, Archibald J. Williams, Yufei Li +9
Using a combination of band representation analysis, inelastic neutron scattering (INS), magneto-Raman spectroscopy measurements, and linear spin wave theory, we establish that the…
Strong Raman Optical Activity and Chiral Phonons in Chiral Hybrid Organic-Inorganic Perovskites
Evan W. Muller, Aleksey Ruditskiy, Jie Jiang +6
Hybrid organic-inorganic perovskites with chiral organic cations are very interesting for optoelectronic applications because of their intrinsically chiral light-matter interaction…
Giant and Tunable Bosonic Quantum Interference Induced by Two-Dimensional Metals
Kunyan Zhang, Rinu Abraham Maniyara, Yuanxi Wang +11
Harnessing quantum interference among bosons provides significant opportunities as bosons often carry longer coherence time than fermions. As an example of quantum interference, Fa…