| Volume 5, 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 | | | | Not an APS member? Join today to start connecting with a community of more than 50,000 physicists. | | | | Perspective Laurent Labonté, Olivier Alibart, Virginia D'Auria, Florent Doutre, Jean Etesse, Gregory Sauder, Anthony Martin, Éric Picholle, and Sébastien Tanzilli PRX Quantum 5, 010101 (2024) – Published 12 February 2024  | Exploring cutting-edge advances of integrated photonics, recent breakthroughs and challenges are highlighted, showing a roadmap for developments in quantum communication and metrology technologies. | | | | | | Tutorial Shenglong Xu and Brian Swingle PRX Quantum 5, 010201 (2024) – Published 22 January 2024  | A deep dive on scrambling dynamics in quantum many-body systems is presented, with a detailed overview of out-of-time-ordered correlators, including how to calculate and measure them. | | | | | | Santiago Serrano, MengKe Feng, Wee Han Lim, Amanda E. Seedhouse, Tuomo Tanttu, Will Gilbert, Christopher C. Escott, Nikolay V. Abrosimov, Hans-Joachim Pohl, Michael L.W. Thewalt, Fay E. Hudson, Andre Saraiva, Andrew S. Dzurak, and Arne Laucht PRX Quantum 5, 010301 (2024) – Published 3 January 2024  | Combining modulation with correlation of multiple sensor signals promises an increase in qubit readout fidelities. | | | | | | Héctor Bombín, Mihir Pant, Sam Roberts, and Karthik I. Seetharam PRX Quantum 5, 010302 (2024) – Published 4 January 2024  | A general framework for fault-tolerant postselection of surface code channels is introduced that reduces logical error rates and lowers resource overhead, advancing the field of quantum error correction. | | | | | | Eric Bersin et al. PRX Quantum 5, 010303 (2024) – Published 8 January 2024  | A low-noise quantum frequency conversion system enables a solid-state qubit in diamond to directly interface with telecom-band systems. | | | | | | David T. Stephen, Arpit Dua, Ali Lavasani, and Rahul Nandkishore PRX Quantum 5, 010304 (2024) – Published 11 January 2024  | A new analysis sheds light on the phases of matter beyond the assumption of geometric locality, which would be key to understanding the physics that underpins quantum simulators. | | | | | | Ryan L. Mann and Romy M. Minko PRX Quantum 5, 010305 (2024) – Published 16 January 2024  | A general framework that uses the cluster expansion to establish efficient classical approximation algorithms for quantum problems. | | | | | | M.J. Gullans, M. Caranti, A.R. Mills, and J.R. Petta PRX Quantum 5, 010306 (2024) – Published 18 January 2024  | A new quantum process tomography framework tackles time-correlated noise, enhancing efficiency and fidelity in silicon spin qubits and paving the way for scalable quantum computing. | | | | | | Yoshiki Sunada, Kenshi Yuki, Zhiling Wang, Takeaki Miyamura, Jesper Ilves, Kohei Matsuura, Peter A. Spring, Shuhei Tamate, Shingo Kono, and Yasunobu Nakamura PRX Quantum 5, 010307 (2024) – Published 19 January 2024  | A nonlinear filter protects the qubit from noise-induced decoherence but automatically deactivates when a readout pulse is applied, enabling a fast, high-fidelity readout of a superconducting qubit. | | | | | | Featured in Physics Joseph Tindall, Matthew Fishman, E. Miles Stoudenmire, and Dries Sels PRX Quantum 5, 010308 (2024) – Published 23 January 2024  | Improved classical methods for Hamiltonian simulation further shift the threshold for quantum utility. | | | | | | Raúl Morral-Yepes, Adam Smith, S.L. Sondhi, and Frank Pollmann PRX Quantum 5, 010309 (2024) – Published 24 January 2024  | A game in which two players compete to generate area- or volume-law entanglement may undergo novel types of quantum phase transitions. | | | | | | Shraddha Agrawal, Sai Naga Manoj Paladugu, and Bryce Gadway PRX Quantum 5, 010310 (2024) – Published 25 January 2024  | A new experimental approach is developed for building two-dimensional tight-binding models using selectively addressed Bragg resonances. | | | | | | Dominik Schäffner, Tobias Schreiber, Fabian Lenz, Malte Schlosser, and Gerhard Birkl PRX Quantum 5, 010311 (2024) – Published 26 January 2024  | A quantum sensor based on an array of neutral atoms measured in parallel is applied to obtain the spatial distribution of a magnetic field with microscale resolution. | | | | | | Caspar Groiseau, Antonio I. Fernández-Domínguez, Diego Martín-Cano, and Carlos Sánchez Muñoz PRX Quantum 5, 010312 (2024) – Published 29 January 2024  | Polar emitters are used in a proposal to realize single-photon sources in the terahertz regime, promising optical tunability of the frequency of emission and its nonclassical statistics. | | | | | | Gideon Lee, Tony Jin, Yu-Xin Wang (王语馨), Alexander McDonald, and Aashish Clerk PRX Quantum 5, 010313 (2024) – Published 31 January 2024  | The bosonic Kitaev chain connects non-Hermitian physics and many-body phase transitions by displaying a measurement-free entanglement phase transition enabled by the non-Hermitian skin effect. | | | | | | Neil Dowling and Kavan Modi PRX Quantum 5, 010314 (2024) – Published 1 February 2024  | A unifying operational characterization of quantum chaos is proposed using the formalism of multitime quantum processes. | | | | | | Sam Roberts and Dominic J. Williamson PRX Quantum 5, 010315 (2024) – Published 2 February 2024  | A fault-tolerant measurement-based scheme built on braiding and fusing of symmetry defects in the 3-fermion anyon theory is presented for universal topological quantum computation. | | | | | | Ana Hudomal, Ryan Smith, Andrew Hallam, and Zlatko Papić PRX Quantum 5, 010316 (2024) – Published 5 February 2024  | Classical simulations complement experiments and shed new light on the bound states of interacting photons. | | | | | | Federica Maria Surace and Olexei Motrunich PRX Quantum 5, 010317 (2024) – Published 5 February 2024  | A new quantitative analysis sheds light on apparently resilient bound states of interacting microwave photons observed in quantum-simulator experiments and suggests that they have a very small but finite decay rate. | | | | | | Ray Ganardi, Ekta Panwar, Mahasweta Pandit, Bianka Woloncewicz, and Tomasz Paterek PRX Quantum 5, 010318 (2024) – Published 6 February 2024  | Novel experimentally accessible inequalities are derived for quantifying the noncommutativity of two-body interactions involving a third physical system as mediator. | | | | | | Dominic W. Berry, Yuan Su, Casper Gyurik, Robbie King, Joao Basso, Alexander Del Toro Barba, Abhishek Rajput, Nathan Wiebe, Vedran Dunjko, and Ryan Babbush PRX Quantum 5, 010319 (2024) – Published 6 February 2024  | Advanced quantum algorithm techniques make topological data analysis feasible on quantum computers, providing dramatic speedup. | | | | | | Vinay Tripathi, Huo Chen, Eli Levenson-Falk, and Daniel A. Lidar PRX Quantum 5, 010320 (2024) – Published 7 February 2024  | Environment-induced noise effects on a transmon qubit are modeled, accounting for the high- and low-frequency components. | | | | | | Alexander Ungar, Paola Cappellaro, Alexandre Cooper, and Won Kyu Calvin Sun PRX Quantum 5, 010321 (2024) – Published 7 February 2024  | Polarization transfer along a spin chain is used to control dark electronic spins outside the direct coupling limit of a central spin, enabling larger quantum registers for sensing and computation. | | | | | | Christopher Jarzynski PRX Quantum 5, 010322 (2024) – Published 8 February 2024  | A new theory is put forward to describe unitary quantum dynamics subject to instantaneous impulses that are able to deform the wave function, leading to potential new applications in ultracold quantum gases. | | | | | | Athanasios Tsintzis, Rubén Seoane Souto, Karsten Flensberg, Jeroen Danon, and Martin Leijnse PRX Quantum 5, 010323 (2024) – Published 8 February 2024  | The path toward demonstrating non-Abelian physics in quantum-dot-based Kitaev chains is laid out. | | | | | | Hamza Jnane, Jonathan Steinberg, Zhenyu Cai, H. Chau Nguyen, and Bálint Koczor PRX Quantum 5, 010324 (2024) – Published 9 February 2024  | The rich toolbox of quantum error-mitigation strategies is synergized with powerful classical shadows for the purpose of estimating properties of an ideal quantum state, aiding in the development of near-term and early fault-tolerant quantum computers. | | | | | | Michael Antesberger, Marco Túlio Quintino, Philip Walther, and Lee A. Rozema PRX Quantum 5, 010325 (2024) – Published 9 February 2024  | A tomography method for higher-order quantum processes is introduced and used to characterize a new design for an ultrastable quantum switch with an indefinite causal order. | | | | | | Devin Underwood, Joseph A. Glick, Ken Inoue, David J. Frank, John Timmerwilke, Emily Pritchett, Sudipto Chakraborty, Kevin Tien, Mark Yeck, John F. Bulzacchelli, Chris Baks, Raphael Robertazzi, Matthew Beck, Rajiv V. Joshi, Dorothy Wisnieff, Scott Lekuch, Brian P. Gaucher, Daniel J. Friedman, Pat Rosno, Daniel Ramirez, and Jeff Ruedinger PRX Quantum 5, 010326 (2024) – Published 14 February 2024  | CMOS chips comprised of a low-power processor and arbitrary waveform generator operating at 4 K are developed and tested, enabling two-qubit randomized benchmarking and highlighting the promise and challenges of cryogenic control. | | | | | | Riya Sett, Farid Hassani, Duc Phan, Shabir Barzanjeh, Andras Vukics, and Johannes M. Fink PRX Quantum 5, 010327 (2024) – Published 16 February 2024  | The progression toward a thermodynamic limit in a microscopic quantum system is experimentally observed. | | | | | | Javier Argüello-Luengo, Javier Rivera-Dean, Philipp Stammer, Andrew S. Maxwell, David M. Weld, Marcelo F. Ciappina, and Maciej Lewenstein PRX Quantum 5, 010328 (2024) – Published 20 February 2024  | From attoscience platforms to atomic cloud simulators: An experimental protocol is proposed to access the emission spectrum of high-harmonic generation, providing new insights. | | | | | | Sergey Bravyi, Anirban Chowdhury, David Gosset, Vojtěch Havlíček, and Guanyu Zhu PRX Quantum 5, 010329 (2024) – Published 21 February 2024  | The computational problem of approximating the Kronecker coefficients of the symmetric group is shown to be no harder than quantum approximate counting problems that appear in physics. | | | | | | Sahil D. Patel, Kamyar Parto, Michael Choquer, Nicholas Lewis, Sammy Umezawa, Landon Hellman, Daniella Polishchuk, and Galan Moody PRX Quantum 5, 010330 (2024) – Published 22 February 2024  | Single-photon emitters in two-dimensional materials are integrated with surface acoustic wave cavities, enabling control of their optical properties and opening up applications in entangled-photon-pair generation. | | | | | | Mackenzie H. Shaw, Andrew C. Doherty, and Arne L. Grimsmo PRX Quantum 5, 010331 (2024) – Published 23 February 2024  | A method to decompose GKP error-correcting codes is introduced, improving theoretical understanding and allowing for an efficient simulation of noise over realistic channels. | | | | | | Clive Cenxin Aw, Lin Htoo Zaw, Maria Balanzó-Juandó, and Valerio Scarani PRX Quantum 5, 010332 (2024) – Published 26 February 2024  | New results on the time reversal of quantum and classical processes are obtained through a Bayesian framework, allowing one to identify cases that can be reversed without additional resources. | | | | | | Featured in Physics Sascha Heußen, David F. Locher, and Markus Müller PRX Quantum 5, 010333 (2024) – Published 27 February 2024  | A fault-tolerant quantum error-correction scheme is presented that does not require measuring individual qubits and could thus revolutionize platforms that do not support midcircuit measurements. | | | | | | Xun Gao, Marcin Kalinowski, Chi-Ning Chou, Mikhail D. Lukin, Boaz Barak, and Soonwon Choi PRX Quantum 5, 010334 (2024) – Published 29 February 2024  | A novel framework helps to identify, exploit, and overcome intrinsic vulnerabilities of linear cross entropy, guiding the next generation of quantum advantage experiments. | | | | | | | |
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