Recent Articles in Phys. Rev. Lett.

Recent articles in Physical Review Letters

Latest articles

Electric Quadrupolar Contributions in the Magnetic Phases of ${\mathrm{UNi}}_{4}\mathrm{B}$

Author(s): T. Yanagisawa, H. Matsumori, H. Saito, H. Hidaka, H. Amitsuka, S. Nakamura, S. Awaji, D. I. Gorbunov, S. Zherlitsyn, J. Wosnitza, K. Uhlířová, M. Vališka, and V. SechovskýWe present acoustic signatures of the electric quadrupolar degrees of freedom in the honeycomb-layer compound UNi4B. The transverse ultrasonic mode C66 shows softening below...

Rapid Fickian Yet Non-Gaussian Diffusion after Subdiffusion

Author(s): Raffaele Pastore, Antonio Ciarlo, Giuseppe Pesce, Francesco Greco, and Antonio SassoThe recently discovered Fickian yet non-Gaussian diffusion (FnGD) is here finely tuned and investigated over a wide range of probabilities and timescales using a quasi-2D suspension of colloidal beads under the action of a static and spatially random optical...

Nonconventional Phases of Colloidal Nanorods with a Soft Corona

Author(s): Gerardo Campos-Villalobos, Marjolein Dijkstra, and Alessandro PattiUsing computer simulations, we investigate the phase behavior of hard-core spherocylinders with a length-to-diameter ratio L/σ=5 and coated by a soft deformable corona of length λ/σ=1.35. When quasi-two-dimensional layers are formed in smectic and solid phases at low temperatures,...

Valley-Selective Topological Corner States in Sonic Crystals

Author(s): Xiujuan Zhang, Le Liu, Ming-Hui Lu, and Yan-Feng ChenHigher-order topological insulators (HOTIs), a new horizon of topological phases of matter, host lower-dimensional corner or hinge states, providing important stepping stones to the realization of robust topological waveguides in higher dimensions. The nontrivial band topology that gives...

Intrinsic Anomalous Hall Conductivity in a Nonuniform Electric Field

Author(s): Vladyslav Kozii, Alexander Avdoshkin, Shudan Zhong, and Joel E. MooreWe study how the intrinsic anomalous Hall conductivity is modified in two-dimensional crystals with broken time-reversal symmetry due to weak inhomogeneity of the applied electric field. Focusing on a clean noninteracting two-band system without band crossings, we derive...

Mechanism of Indirect Photon-induced Desorption at the Water Ice Surface

Author(s): R. Dupuy, M. Bertin, G. Féraud, X. Michaut, P. Marie-Jeanne, P. Jeseck, L. Philippe, V. Baglin, R. Cimino, C. Romanzin, and J.-H. FillionElectronic excitations near the surface of water ice lead to the desorption of adsorbed molecules, through a so far debated mechanism. A systematic study of photon-induced indirect desorption, revealed by...

Critical Behavior and Universal Signature of an Axion Insulator State

Author(s): Hailong Li, Hua Jiang, Chui-Zhen Chen, and X. C. XieRecently, the search for an axion insulator state in the ferromagnetic-3D topological insulator (TI) heterostructure and MnBi2Te4 has attracted intense interest. However, its detection remains difficult in experiments. We systematically investigate the disorder-induced phase transition of...

Generation of Current Vortex by Spin Current in Rashba Systems

Author(s): Florian Lange, Satoshi Ejima, Junji Fujimoto, Tomonori Shirakawa, Holger Fehske, Seiji Yunoki, and Sadamichi MaekawaEmploying unbiased large-scale time-dependent density-matrix renormalization-group simulations, we demonstrate the generation of a charge-current vortex via spin injection in the Rashba system. The spin current is polarized...

Total Angular Momentum Dichroism of the Terahertz Vortex Beams at the Antiferromagnetic Resonances

Author(s): A. A. Sirenko, P. Marsik, L. Bugnon, M. Soulier, C. Bernhard, T. N. Stanislavchuk, Xianghan Xu, and S.-W. CheongTerahertz vortex beams with different superposition of the orbital angular momentum l=±1, ±2, ±3, and ±4 and spin angular momentum σ=±1 were used to study antiferromagnetic (AFM) resonances in TbFe3(BO3)4 and Ni3TeO6 single crystals....

Dimensionality-Induced Change in Topological Order in Multiferroic Oxide Superlattices

Author(s): Megan E. Holtz, Elliot S. Padgett, Rachel Steinhardt, Charles M. Brooks, Dennis Meier, Darrell G. Schlom, David A. Muller, and Julia A. MundyWe construct ferroelectric (LuFeO3)m/(LuFe2O4) superlattices with varying index m to study the effect of confinement on topological defects. We observe a thickness-dependent transition from neutral to...

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