| Volume 14, Issue 1 (partial) January - March 2024 | | Advertisement  | In this year, 2024, 156 Outstanding Referees were selected from the 91,600 currently active referees. The honorees come from over 42 different countries and will be recognized at the upcoming March Meeting. Read more. | | | | | |
Advertisement Don't miss these exciting Physical Review Journals events at the 2024 APS March Meeting | | | Advertisement | In the newly released Careers 2024, job seekers can find up-to-date information on career development and career paths in physics, career advice from firsthand experiences, APS career-related programs, and an employer directory of companies currently looking to hire physicists. Please share this free digital resource with your students or anyone looking for career advice. Discover the wealth of opportunities available to anyone with a physics degree. View it now or request a physical copy. | | | | | | Not an APS member? Join today to start connecting with a community of more than 50,000 physicists. | | | | D. L. Craig, H. Moon, F. Fedele, D. T. Lennon, B. van Straaten, F. Vigneau, L. C. Camenzind, D. M. Zumbühl, G. A. D. Briggs, M. A. Osborne, D. Sejdinovic, and N. Ares Phys. Rev. X 14, 011001 (2024) – Published 4 January 2024  | Nominally identical quantum devices can display different current behaviors at the same voltage settings. A machine learning–based analysis reveals hidden features of material imperfections that lead to such behavior. | | | | | | Featured in Physics Zala Korenjak and Matjaž Humar Phys. Rev. X 14, 011002 (2024) – Published 5 January 2024  | Using a soap bubble, researchers have created a laser that could act as a sensitive sensor for environmental parameters including atmospheric pressure. | | | | | | Junhyeok Hur, Wonjun Lee, Kiryang Kwon, SeungJung Huh, Gil Young Cho, and Jae-yoon Choi Phys. Rev. X 14, 011003 (2024) – Published 8 January 2024  | An error-correction method for large-scale neutral atom quantum simulators using optical lattices can distinguish correlated particle-hole pairs from uncorrelated holes in the Mott insulator. | | | | | | Zui Tao, Bowen Shen, Shengwei Jiang, Tingxin Li, Lizhong Li, Liguo Ma, Wenjin Zhao, Jenny Hu, Kateryna Pistunova, Kenji Watanabe, Takashi Taniguchi, Tony F. Heinz, Kin Fai Mak, and Jie Shan Phys. Rev. X 14, 011004 (2024) – Published 10 January 2024  | Optical spectroscopy of a transition metal dichalcogenide moiré semiconductor in the quantum anomalous Hall state reveals a surprising valley-coherent state, suggesting the need for a new theoretical mechanism for this effect. | | | | | | D. R. Yahne, B. Placke, R. Schäfer, O. Benton, R. Moessner, M. Powell, J. W. Kolis, C. M. Pasco, A. F. May, M. D. Frontzek, E. M. Smith, B. D. Gaulin, S. Calder, and K. A. Ross Phys. Rev. X 14, 011005 (2024) – Published 16 January 2024  | A reassessment of the ground state of a quantum spin liquid candidate suggests the state is sensitive to imperceptible change in chemical composition, an insight that could help in tuning the system to exotic, quantum-disordered phases. | | | | | | Xin Zheng, Jonathan Dolde, and Shimon Kolkowitz Phys. Rev. X 14, 011006 (2024) – Published 23 January 2024  | A more efficient use of the atoms in a strontium optical lattice atomic clock reduces the measured instability by up to a factor of 2 compared to the standard approach. | | | | | | Featured in Physics B.-L. Najera-Santos, R. Rousseau, K. Gerashchenko, H. Patange, A. Riva, M. Villiers, T. Briant, P.-F. Cohadon, A. Heidmann, J. Palomo, M. Rosticher, H. le Sueur, A. Sarlette, W. C. Smith, Z. Leghtas, E. Flurin, T. Jacqmin, and S. Deléglise Phys. Rev. X 14, 011007 (2024) – Published 24 January 2024  | Researchers have demonstrated an unprecedentedly low-frequency superconducting "fluxonium" qubit, which could facilitate experiments that probe macroscopic quantum phenomena. | | | | | | Thomas C. Day, S. Alireza Zamani-Dahaj, G. Ozan Bozdag, Anthony J. Burnetti, Emma P. Bingham, Peter L. Conlin, William C. Ratcliff, and Peter J. Yunker Phys. Rev. X 14, 011008 (2024) – Published 25 January 2024  | Experiments and simulations show that growth in living organisms easily leads to entanglement between their filamentous, branching structures. | | | | | | Johnnie Gray and Garnet Kin-Lic Chan Phys. Rev. X 14, 011009 (2024) – Published 26 January 2024  | A new framework for approximate evaluation, or contraction, of a tensor network greatly expands the range of problems in quantum physics and computer science that may be accurately approximated by tensor network methods. | | | | | | Moritz Cygorek, Jonathan Keeling, Brendon W. Lovett, and Erik M. Gauger Phys. Rev. X 14, 011010 (2024) – Published 1 February 2024  | An exact algorithm to calculate process tensors—compact representations of environmental influences—provides a scaling advantage over previous algorithms and enables tackling problems in open quantum systems that are currently out of reach. | | | | | | Featured in Physics R. Albert, J. Griesmar, F. Blanchet, U. Martel, N. Bourlet, and M. Hofheinz Phys. Rev. X 14, 011011 (2024) – Published 5 February 2024  | : |  | A new photon-number amplification scheme, which combines the advantages of a single-photon detector and a power meter, could lead to new photon-detection possibilities in quantum-sensing and quantum-computing applications. | | | | | | Featured in Physics Luke K. Davis, Karel Proesmans, and Étienne Fodor Phys. Rev. X 14, 011012 (2024) – Published 7 February 2024  | A theoretical study finds that the most energy-efficient way to control an active-matter system is to drive it at finite speed—unlike passive-matter systems. | | | | | | Joseph T. Iosue, Kunal Sharma, Michael J. Gullans, and Victor V. Albert Phys. Rev. X 14, 011013 (2024) – Published 8 February 2024  | Quantum t-designs—ensembles of states that mimic uniform averaging—for infinite-dimensional spaces do not exist, but an alternative "rigged t-design" is possible. | | | | | | Chi-Fang Chen, Alexander M. Dalzell, Mario Berta, Fernando G. S. L. Brandão, and Joel A. Tropp Phys. Rev. X 14, 011014 (2024) – Published 9 February 2024  | Identification of a large class of Hamiltonians that are easy to solve on quantum computers but difficult on classical ones provides a possible path to practical quantum advantage in the simulation of quantum systems. | | | | | | Featured in Physics Debobrata Rajak, Sandra Beauvarlet, Omer Kneller, Antoine Comby, Raluca Cireasa, Dominique Descamps, Baptiste Fabre, Jimena D. Gorfinkiel, Julien Higuet, Stéphane Petit, Shaked Rozen, Hartmut Ruf, Nicolas Thiré, Valérie Blanchet, Nirit Dudovich, Bernard Pons, and Yann Mairesse Phys. Rev. X 14, 011015 (2024) – Published 12 February 2024  | A technique that can determine the chirality of a molecule using that molecule's own electrons could allow researchers to probe the dynamical behavior of chiral molecules on very short timescales. | | | | | | Featured in Physics Rolf Fickentscher, Tomoko Ozawa, Akatsuki Kimura, and Matthias Weiss Phys. Rev. X 14, 011016 (2024) – Published 13 February 2024  | By monitoring a tiny worm's embryonic cells, researchers have deduced that the availability of material for the membrane of a cell's nucleus constrains the volume of the nucleus. | | | | | | Featured in Physics Aaron Lyons, Anita Devi, Noel Q. Hoffer, and Michael T. Woodside Phys. Rev. X 14, 011017 (2024) – Published 14 February 2024  | Researchers have measured short-timescale fluctuations in metastable systems, uncovering information about failed attempts to cross the barriers that define the metastable state. | | | | | | Graham Baker, Timothy W. Branch, J. S. Bobowski, James Day, Davide Valentinis, Mohamed Oudah, Philippa McGuinness, Seunghyun Khim, Piotr Surówka, Yoshiteru Maeno, Thomas Scaffidi, Roderich Moessner, Jörg Schmalian, Andrew P. Mackenzie, and D. A. Bonn Phys. Rev. X 14, 011018 (2024) – Published 15 February 2024  | A new method for studying nondiffusive electron flow, based on microwave spectroscopy, reveals clear signs of ballistic flow in the ultrapure material PdCoO2 as well as novel anisotropic electron motion. | | | | | | Sayantika Bhowal and Nicola A. Spaldin Phys. Rev. X 14, 011019 (2024) – Published 15 February 2024  | The recently discovered class of unconventional antiferromagnets called altermagnets has a ferroic order parameter, the magnetic octupole, and the related order breaks time-reversal symmetry | | | | | | Christian Liedl, Felix Tebbenjohanns, Constanze Bach, Sebastian Pucher, Arno Rauschenbeutel, and Philipp Schneeweiss Phys. Rev. X 14, 011020 (2024) – Published 16 February 2024  | Synchronized bursts of light observed in a system where each atom emits light only to the right and absorbs light only coming from the left show that atoms can synchronize their emission without having to interact symmetrically. | | | | | | Logan A. Becker, Baowang Li, Nicholas J. Priebe, Eyal Seidemann, and Thibaud Taillefumier Phys. Rev. X 14, 011021 (2024) – Published 16 February 2024  | Achieving realistic subthreshold variability in a biophysical neuronal model requires low-level synchrony in its synaptic input drive, a finding that challenges current theories to explain spiking activity in cortical neurons. | | | | | | Uddipta Kar, Elisha Cho-Hao Lu, Akhilesh Kr. Singh, P. V. Sreenivasa Reddy, Youngjoon Han, Xinwei Li, Cheng-Tung Cheng, Song Yang, Chun-Yen Lin, I-Chun Cheng, Chia-Hung Hsu, David Hsieh, Wei-Cheng Lee, Guang-Yu Guo, and Wei-Li Lee Phys. Rev. X 14, 011022 (2024) – Published 20 February 2024  | Surprising charge transport signatures in thin films of SrRuO3 suggest that current rectification effects could be a useful probe for surface states and edge states in topological materials. | | | | | | Hao Qiao, Di Ai, Chang-Yue Sun, Cheng-Quan Peng, Qi-Chao Qi, Cheng-Cheng Zhao, Li-Meng Luo, Tao-Yun Jin, Tao Zhang, Min Zhou, and Xin-Ye Xu Phys. Rev. X 14, 011023 (2024) – Published 20 February 2024  | High-precision measurements of the absolute frequency of a forbidden optical transition in ytterbium sets the stage for a new clock standard and investigations into fundamental physics. | | | | | | Vijay Balasubramanian, Albion Lawrence, Javier M. Magán, and Martin Sasieta Phys. Rev. X 14, 011024 (2024) – Published 21 February 2024  | A novel description of black-hole microstates as quantum superpositions of objects with geometric semiclassical descriptions explains the origin of black-hole entropy. | | | | | | Kangheun Kim, Fan Yang, Klaus Mølmer, and Jaewook Ahn Phys. Rev. X 14, 011025 (2024) – Published 21 February 2024  | A new approach to constructing quantum spin Hamiltonians in a neutral-atom quantum simulator reveals never-before-seen phenomena in magnon bound states. | | | | | | Brendan P. Marsh, Ronen M. Kroeze, Surya Ganguli, Sarang Gopalakrishnan, Jonathan Keeling, and Benjamin L. Lev Phys. Rev. X 14, 011026 (2024) – Published 22 February 2024  | A proposed multimode optical cavity capable of realizing a quantum spin glass offers a practicable platform for developing a comprehensive understanding of such systems. | | | | | | Michael J. Hertaeg, Suzanne M. Fielding, and Dapeng Bi Phys. Rev. X 14, 011027 (2024) – Published 22 February 2024  | A model of epithelial cell monolayers helps reveal how the interplay between globally external shear and locally internal activity determines the emergent mechanical properties of a biological tissue as a whole. | | | | | | Featured in Physics M. I. Abdulhamid et al. (STAR Collaboration) Phys. Rev. X 14, 011028 (2024) – Published 23 February 2024  | Collisions of heavy ions briefly produced a magnetic field 1018 times stronger than Earth's, and it left observable effects. | | | | | | Featured in Physics Ryo Hanai Phys. Rev. X 14, 011029 (2024) – Published 26 February 2024  | New theoretical work establishes an analogy between systems that are dynamically frustrated, such as glasses, and thermodynamic systems whose members have conflicting goals, such as predator–prey ecosystems. | | | | | | Blagoje Oblak, Bastien Lapierre, Per Moosavi, Jean-Marie Stéphan, and Benoit Estienne Phys. Rev. X 14, 011030 (2024) – Published 27 February 2024  | Most studies of quantum Hall droplets—2D electron fluids in strong magnetic fields—focus on isotropic cases. A first-principles analysis predicts behaviors of anisotropic droplets and proposes experimental signatures. | | | | | | Featured in Physics S. W. Hancock, S. Zahedpour, A. Goffin, and H. M. Milchberg Phys. Rev. X 14, 011031 (2024) – Published 28 February 2024  | Researchers have determined the amount of transverse orbital angular momentum that a type of optical vortex carries per photon, an important step for future applications. | | | | | | Kazutaka Takahashi and Adolfo del Campo Phys. Rev. X 14, 011032 (2024) – Published 28 February 2024  | Shortcuts to adiabaticity provide fast protocols for quantum state preparation. A new way to construct the auxiliary controls for guiding the system's dynamics boosts their application to many-body systems. | | | | | | H. Hainzer, D. Kiesenhofer, T. Ollikainen, M. Bock, F. Kranzl, M. K. Joshi, G. Yoeli, R. Blatt, T. Gefen, and C. F. Roos Phys. Rev. X 14, 011033 (2024) – Published 29 February 2024  | Correlation spectroscopy, where multiple qubits exposed to the same noise are probed simultaneously, extends the possible probe time beyond single-particle coherence. | | | | | | | |
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