Ultrafast Melting of Superconductivity in an Iron-Based Superconductor D. Nevola, N. Zaki, J. M. Tranquada, W.-G. Yin, G. D. Gu, Q. Li, and P. D. Johnson Phys. Rev. X 13, 011001 (2023) – Published 5 January 2023 Optical pumping of an “unconventional” iron-chalcogenide superconductor leads to a metastable state in which superconductivity disappears on very fast timescales, possibly due to magnetic correlations triggered by the pumping. Show Abstract Condensed Matter Physics Magnetism Superconductivity PDFHTML Observation of 2D Cherenkov Radiation Yuval Adiv, Hao Hu, Shai Tsesses, Raphael Dahan, Kangpeng Wang, Yaniv Kurman, Alexey Gorlach, Hongsheng Chen, Xiao Lin, Guy Bartal, and Ido Kaminer Phys. Rev. X 13, 011002 (2023) – Published 6 January 2023 Experiments provide the first observation of Cherenkov radiation emitted into 2D light modes, achieving a unity free-electron–photon coupling strength, paving the way for unexplored phenomena in free-electron quantum optics. Show Abstract Photonics Plasmonics Quantum Physics PDFHTML Floquet Simulators for Topological Surface States in Isolation Kun Woo Kim, Dmitry Bagrets, Tobias Micklitz, and Alexander Altland Phys. Rev. X 13, 011003 (2023) – Published 10 January 2023 The exotic surfaces of topological insulators have so far required an accompanying bulk insulator. But dynamical engineering of synthetic spatial dimensions could enable the realization of topological surfaces in isolation. Show Abstract Condensed Matter Physics Mesoscopics Topological Insulators PDFHTML Precise Control of Entanglement in Multinuclear Spin Registers Coupled to Defects Evangelia Takou, Edwin Barnes, and Sophia E. Economou Phys. Rev. X 13, 011004 (2023) – Published 18 January 2023 An analysis of the electron-nuclear entanglement structure in solid-state defect spins leads to protocols for generating multinuclear entanglement, opening the full potential of nuclear spin memories in quantum networks. Show Abstract Quantum Physics Quantum Information PDFHTML Two-Emitter Multimode Cavity Quantum Electrodynamics in Thin-Film Silicon Carbide Photonics Daniil M. Lukin, Melissa A. Guidry, Joshua Yang, Misagh Ghezellou, Sattwik Deb Mishra, Hiroshi Abe, Takeshi Ohshima, Jawad Ul-Hassan, and Jelena Vučković Phys. Rev. X 13, 011005 (2023) – Published 19 January 2023 The integration of an optically coherent, long-lived spin qubit in a silicon carbide-on-insulator photonics platform showcases the potential of silicon carbide in quantum computing and communications applications. Show Abstract Condensed Matter Physics Photonics Quantum Physics PDFHTML Featured in Physics Optical Guiding in 50-Meter-Scale Air Waveguides A. Goffin, I. Larkin, A. Tartaro, A. Schweinsberg, A. Valenzuela, E. W. Rosenthal, and H. M. Milchberg Phys. Rev. X 13, 011006 (2023) – Published 23 January 2023 Physics logo Viewpoint: Air Waveguide from “Donut” Laser Beams A waveguide sculpted in air with lasers transmits light over a distance of nearly 50 meters, which is 60 times farther than previous air-waveguide schemes. Show Abstract Interdisciplinary Physics Optics Photonics PDFHTML Temperature Dependence of Spin and Charge Orders in the Doped Two-Dimensional Hubbard Model Bo Xiao, Yuan-Yao He, Antoine Georges, and Shiwei Zhang Phys. Rev. X 13, 011007 (2023) – Published 24 January 2023 State-of-the-art numerical techniques suggest that charge order in the 2D Hubbard model sets in at a nonzero temperature, answering a major open question in the physics of this paradigmatic model of quantum materials. Show Abstract Computational Physics Condensed Matter Physics Strongly Correlated Materials PDFHTML Featured in Physics Observation of Wave-Packet Branching through an Engineered Conical Intersection Christopher S. Wang, Nicholas E. Frattini, Benjamin J. Chapman, Shruti Puri, S. M. Girvin, Michel H. Devoret, and Robert J. Schoelkopf Phys. Rev. X 13, 011008 (2023) – Published 26 January 2023 Physics logo Synopsis: Quantum Circuit Tackles “Diabolical” Photochemical Process A quantum device shows promise for simulating molecular dynamics in a difficult-to-model photochemical process that is relevant to vision. Show Abstract Quantum Physics PDFHTML