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 Featured in Physics Forgetting Leads to Chaos in Attractor Networks Ulises Pereira-Obilinovic, Johnatan Aljadeff, and Nicolas Brunel Phys. Rev. X 13, 011009 (2023) – Published 27 January 2023 Physics logo Focus: Memories Become Chaotic before They Are Forgotten A model for information storage in the brain reveals how memories decay with age. Show Abstract Interdisciplinary Physics Nonlinear Dynamics Statistical Physics PDFHTML Bipolaronic High-Temperature Superconductivity C. Zhang, J. Sous, D. R. Reichman, M. Berciu, A. J. Millis, N. V. Prokof’ev, and B. V. Svistunov Phys. Rev. X 13, 011010 (2023) – Published 30 January 2023 A proposed route to high-temperature superconductivity by increasing the binding between electron pairs without unduly increasing the pair mass suggests superconductivity at temperatures higher than previously thought possible. Show Abstract Condensed Matter Physics Strongly Correlated Materials Superconductivity PDFHTML Laser-Driven Neutron Generation Realizing Single-Shot Resonance Spectroscopy A. Yogo, Z. Lan, Y. Arikawa, Y. Abe, S. R. Mirfayzi, T. Wei, T. Mori, D. Golovin, T. Hayakawa, N. Iwata, S. Fujioka, M. Nakai, Y. Sentoku, K. Mima, M. Murakami, M. Koizumi, F. Ito, J. Lee, T. Takahashi, K. Hironaka, S. Kar, H. Nishimura, and R. Kodama Phys. Rev. X 13, 011011 (2023) – Published 31 January 2023 Experiments identify the mechanism that accelerates ions in a laser-driven neutron source (LDNS) as well as a scaling law for the neutron yield, key insights that move LDNS closer to practical neutron generation. Show Abstract Interdisciplinary Physics Nonlinear Dynamics Plasma Physics PDFHTML Single- and Multimagnon Dynamics in Antiferromagnetic α − Fe 2 O 3 Thin Films Jiemin Li, Yanhong Gu, Yoshihiro Takahashi, Keisuke Higashi, Taehun Kim, Yang Cheng, Fengyuan Yang, Jan Kuneš, Jonathan Pelliciari, Atsushi Hariki, and Valentina Bisogni Phys. Rev. X 13, 011012 (2023) – Published 1 February 2023 Resonant inelastic x-ray scattering reveals the fundamental magnetic modes in hematite thin films, which are relevant for the development of fast, low-power antiferromagnetic spintronics–based devices. Show Abstract Condensed Matter Physics PDFHTML Thermodynamic Unification of Optimal Transport: Thermodynamic Uncertainty Relation, Minimum Dissipation, and Thermodynamic Speed Limits Tan Van Vu and Keiji Saito Phys. Rev. X 13, 011013 (2023) – Published 3 February 2023 A new, unified thermodynamic theory reveals an intimate relationship between optimal transport distances and stochastic and quantum thermodynamics in discrete-state systems. Show Abstract Interdisciplinary Physics Quantum Physics Statistical Physics PDFHTML Fragmentation and Entanglement Limit Vimentin Intermediate Filament Assembly Quang D. Tran, Valerio Sorichetti, Gerard Pehau-Arnaudet, Martin Lenz, and Cécile Leduc Phys. Rev. X 13, 011014 (2023) – Published 6 February 2023 Experiments and theoretical modeling show that disassembly of vimentin intermediate filaments—a key process in many biological cell functions—proceeds via filament breakage without the assistance of other proteins. Show Abstract Biological Physics Soft Matter PDFHTML King-Plot Analysis of Isotope Shifts in Simple Diatomic Molecules Michail Athanasakis-Kaklamanakis, Shane G. Wilkins, Alexander A. Breier, and Gerda Neyens Phys. Rev. X 13, 011015 (2023) – Published 9 February 2023 The known linear relationship between nuclear radius, nuclear mass, and isotope shift also holds for diatomic molecules, insight that can help measure the radii of short-lived nuclei that are not currently accessible in single atoms. Show Abstract Atomic and Molecular Physics Nuclear Physics PDFHTML Autonomous Quantum Devices: When Are They Realizable without Additional Thermodynamic Costs? Mischa P. Woods and Michał Horodecki Phys. Rev. X 13, 011016 (2023) – Published 13 February 2023 Unaccounted for thermodynamic costs in controlling quantum systems can be made arbitrarily small, as long as the control is not implemented too quickly. Show Abstract Quantum Physics Quantum Information PDFHTML Two-Photon Interface of Nuclear Spins Based on the Optonuclear Quadrupolar Effect Haowei Xu, Changhao Li, Guoqing Wang, Hua Wang, Hao Tang, Ariel Rebekah Barr, Paola Cappellaro, and Ju Li Phys. Rev. X 13, 011017 (2023) – Published 14 February 2023 A proposed mechanism for efficiently coupling optical photons and nuclear spins opens the door to hybridizing these two building blocks of quantum technology and to a number of novel device applications. Show Abstract Condensed Matter Physics Materials Science Quantum Information PDFHTML Nanoscale Torsional Dissipation Dilution for Quantum Experiments and Precision Measurement J. R. Pratt, A. R. Agrawal, C. A. Condos, C. M. Pluchar, S. Schlamminger, and D. J. Wilson Phys. Rev. X 13, 011018 (2023) – Published 15 February 2023 Experiments show that the torsion modes of nanostructures can experience dissipation dilution, yielding a new class of ultrahigh-Q resonators with broad applications to quantum experiments and precision measurement. Show Abstract Condensed Matter Physics Gravitation Quantum Physics PDFHTML Quantum Feedback at the Solid-Liquid Interface: Flow-Induced Electronic Current and Its Negative Contribution to Friction Baptiste Coquinot, Lydéric Bocquet, and Nikita Kavokine Phys. Rev. X 13, 011019 (2023) – Published 17 February 2023 A new quantum-mechanical theory predicts that a neutral liquid can generate an electric current in the solid wall along which it flows. The current in turn reduces the friction at the liquid-solid interface. Show Abstract Condensed Matter Physics Fluid Dynamics Physical Chemistry PDFHTML Featured in Physics Strong Electronic Winds Blowing under Liquid Flows on Carbon Surfaces Mathieu Lizée, Alice Marcotte, Baptiste Coquinot, Nikita Kavokine, Karen Sobnath, Clément Barraud, Ankit Bhardwaj, Boya Radha, Antoine Niguès, Lydéric Bocquet, and Alessandro Siria Phys. Rev. X 13, 011020 (2023) – Published 17 February 2023 Physics logo Focus: Secret of Flow-Induced Electric Currents Revealed Vibrations are the main drivers of a mysterious process in which a liquid flow generates an electric current in the solid below it. Show Abstract Condensed Matter Physics Nanophysics Physical Chemistry PDFHTML Electronic Character of Charge Order in Square-Planar Low-Valence Nickelates Y. Shen, J. Sears, G. Fabbris, J. Li, J. Pelliciari, M. Mitrano, W. He, Junjie Zhang, J. F. Mitchell, V. Bisogni, M. R. Norman, S. Johnston, and M. P. M. Dean Phys. Rev. X 13, 011021 (2023) – Published 21 February 2023 Resonant inelastic x-ray scattering reveals the presence and character of charge order in a low-valence nickelate, a step toward understanding this newly found family of superconductors. Show Abstract Condensed Matter Physics PDFHTML Field-Induced Tuning of the Pairing State in a Superconductor A. Rosuel, C. Marcenat, G. Knebel, T. Klein, A. Pourret, N. Marquardt, Q. Niu, S. Rousseau, A. Demuer, G. Seyfarth, G. Lapertot, D. Aoki, D. Braithwaite, J. Flouquet, and J. P. Brison Phys. Rev. X 13, 011022 (2023) – Published 22 February 2023 A magnetic field tunes UTe 2 between two superconducting pairing mechanisms, possibly driving a change from a spin-triplet state to a spin-singlet state. This enables explorations of how exotic spin-triplet superconductivity emerges. Show Abstract Condensed Matter Physics Strongly Correlated Materials Superconductivity PDFHTML Featured in Physics Fast High-Fidelity Single-Shot Readout of Spins in Silicon Using a Single-Electron Box G. A. Oakes, V. N. Ciriano-Tejel, D. F. Wise, M. A. Fogarty, T. Lundberg, C. Lainé, S. Schaal, F. Martins, D. J. Ibberson, L. Hutin, B. Bertrand, N. Stelmashenko, J. W. A. Robinson, L. Ibberson, A. Hashim, I. Siddiqi, A. Lee, M. Vinet, C. G. Smith, J. J. L. Morton, and M. F. Gonzalez-Zalba Phys. Rev. X 13, 011023 (2023) – Published 23 February 2023 Physics logo Synopsis: Improved Readout of Spin Qubits A newly developed compact charge sensor quickly reads the state of electron spin qubits with high fidelity, demonstrating a performance suitable for robust, spin-based quantum processors. Show Abstract