Volume 126, Issue 23

11 June 2021

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On the Cover

Single-photon interferometric network used in the demonstration of non-Bloch parity-time symmetry. Selected for a Synopsis in Physics and an Editors' Suggestion.

From the article:

Observation of Non-Bloch Parity-Time Symmetry and Exceptional Points
Lei Xiao, Tianshu Deng, Kunkun Wang, Zhong Wang, Wei Yi, and Peng Xue
Phys. Rev. Lett. 126, 230402 (2021)

HIGHLIGHTED ARTICLES

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Observation of Non-Bloch Parity-Time Symmetry and Exceptional Points

Lei Xiao, Tianshu Deng, Kunkun Wang, Zhong Wang, Wei Yi, and Peng Xue

Phys. Rev. Lett. 126, 230402 (2021) - Published 10 June, 2021

Squeezed wave functions reshape an open quantum system’s bulk-boundary properties and generate a new class of parity-time symmetry.

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Birth, Life, and Death of a Dipolar Supersolid

Maximilian Sohmen, Claudia Politi, Lauritz Klaus, Lauriane Chomaz, Manfred J. Mark, Matthew A. Norcia, and Francesca Ferlaino

Phys. Rev. Lett. 126, 233401 (2021) - Published 7 June, 2021

When a cloud of cold atoms goes through a supersolid phase transition its coexisting superfluid and crystalline phases do not emerge simultaneously.

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Proprioceptive Mechanism for Bioinspired Fish Swimming

J. Sánchez-Rodríguez, F. Celestini, C. Raufaste, and M. Argentina

Phys. Rev. Lett. 126, 234501 (2021) - Published 8 June, 2021

A robotic fish whose swimming action is initiated in the same way as that of real fish could help researchers test predictions about these underwater creatures, using well-controlled conditions.

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Surface Triple Junctions Govern the Strength of a Nanoscale Solid

Ye-Yuan Zhang, Hui Xie, Ling-Zhi Liu, and Hai-Jun Jin

Phys. Rev. Lett. 126, 235501 (2021) - Published 11 June, 2021

Experiments that compress cubes containing gold nanowires suggest that a previously overlooked feature may help explain the surprising strength of tiny objects.

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Phase Diagram of a Deep Potential Water Model

Linfeng Zhang, Han Wang, Roberto Car, and Weinan E

Phys. Rev. Lett. 126, 236001 (2021) - Published 9 June, 2021

A machine-learning technique maps water’s phase space as reliably as gold standard ab initio calculations but at a much smaller computational cost.

EDITORS' SUGGESTION

Observation of a Lee-Huang-Yang Fluid

Thomas G. Skov, Magnus G. Skou, Nils B. Jørgensen, and Jan J. Arlt

Phys. Rev. Lett. 126, 230404 (2021) - Published 11 June, 2021

A quantum gas mixture where the only relevant interaction stems from quantum fluctuations, quantified by the Lee-Huang-Yang correction, is experimentally realized and studied.

EDITORS' SUGGESTION

Simulating Hydrodynamics on Noisy Intermediate-Scale Quantum Devices with Random Circuits

Jonas Richter and Arijeet Pal

Phys. Rev. Lett. 126, 230501 (2021) - Published 8 June, 2021

Pseudorandom circuits, until recently thought only to be useful to show that quantum computers can outperform classical ones, can be used to simulate hydrodynamics in quantum many-body systems.

EDITORS' SUGGESTION

Topologically Protected Valley-Dependent Quantum Photonic Circuits

Yang Chen, Xin-Tao He, Yu-Jie Cheng, Hao-Yang Qiu, Lan-Tian Feng, Ming Zhang, Dao-Xin Dai, Guang-Can Guo, Jian-Wen Dong, and Xi-Feng Ren

Phys. Rev. Lett. 126, 230503 (2021) - Published 11 June, 2021

The valley degree of freedom is introduced in on-chip quantum information processing and realizes the first nanophotonic topological harpoon-shaped beam splitters based on 120-deg-bending interfaces.

LETTERS

General Physics: Statistical and Quantum Mechanics, Quantum Information, etc.

Experimental Demonstration of Instrument-Specific Quantum Memory Effects and Non-Markovian Process Recovery for Common-Cause Processes

Yu Guo, Philip Taranto, Bi-Heng Liu, Xiao-Min Hu, Yun-Feng Huang, Chuan-Feng Li, and Guang-Can Guo

Phys. Rev. Lett. 126, 230401 (2021) - Published 9 June, 2021

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Observation of Non-Bloch Parity-Time Symmetry and Exceptional Points

Lei Xiao, Tianshu Deng, Kunkun Wang, Zhong Wang, Wei Yi, and Peng Xue

Phys. Rev. Lett. 126, 230402 (2021) - Published 10 June, 2021

Squeezed wave functions reshape an open quantum system’s bulk-boundary properties and generate a new class of parity-time symmetry.

Relativistic Bell Test within Quantum Reference Frames

Lucas F. Streiter, Flaminia Giacomini, and Časlav Brukner

Phys. Rev. Lett. 126, 230403 (2021) - Published 11 June, 2021

EDITORS' SUGGESTION

Observation of a Lee-Huang-Yang Fluid

Thomas G. Skov, Magnus G. Skou, Nils B. Jørgensen, and Jan J. Arlt

Phys. Rev. Lett. 126, 230404 (2021) - Published 11 June, 2021

A quantum gas mixture where the only relevant interaction stems from quantum fluctuations, quantified by the Lee-Huang-Yang correction, is experimentally realized and studied.

EDITORS' SUGGESTION

Simulating Hydrodynamics on Noisy Intermediate-Scale Quantum Devices with Random Circuits

Jonas Richter and Arijeet Pal

Phys. Rev. Lett. 126, 230501 (2021) - Published 8 June, 2021

Pseudorandom circuits, until recently thought only to be useful to show that quantum computers can outperform classical ones, can be used to simulate hydrodynamics in quantum many-body systems.

Simulating and Mitigating Crosstalk

Adam Winick, Joel J. Wallman, and Joseph Emerson

Phys. Rev. Lett. 126, 230502 (2021) - Published 10 June, 2021

EDITORS' SUGGESTION

Topologically Protected Valley-Dependent Quantum Photonic Circuits

Yang Chen, Xin-Tao He, Yu-Jie Cheng, Hao-Yang Qiu, Lan-Tian Feng, Ming Zhang, Dao-Xin Dai, Guang-Can Guo, Jian-Wen Dong, and Xi-Feng Ren

Phys. Rev. Lett. 126, 230503 (2021) - Published 11 June, 2021

The valley degree of freedom is introduced in on-chip quantum information processing and realizes the first nanophotonic topological harpoon-shaped beam splitters based on 120-deg-bending interfaces.

Scheme for Universal High-Dimensional Quantum Computation with Linear Optics

Stefano Paesani, Jacob F. F. Bulmer, Alex E. Jones, Raffaele Santagati, and Anthony Laing

Phys. Rev. Lett. 126, 230504 (2021) - Published 11 June, 2021

Heating of a Trapped Ion Induced by Dielectric Materials

Markus Teller, Dario A. Fioretto, Philip C. Holz, Philipp Schindler, Viktor Messerer, Klemens Schüppert, Yueyang Zou, Rainer Blatt, John Chiaverini, Jeremy Sage, and Tracy E. Northup

Phys. Rev. Lett. 126, 230505 (2021) - Published 11 June, 2021

Quantum Repeater Node Demonstrating Unconditionally Secure Key Distribution

S. Langenfeld, P. Thomas, O. Morin, and G. Rempe

Phys. Rev. Lett. 126, 230506 (2021) - Published 11 June, 2021

Exactness of Mean-Field Equations for Open Dicke Models with an Application to Pattern Retrieval Dynamics

Federico Carollo and Igor Lesanovsky

Phys. Rev. Lett. 126, 230601 (2021) - Published 8 June, 2021

Interferometric Order Parameter for Excited-State Quantum Phase Transitions in Bose-Einstein Condensates

Polina Feldmann, Carsten Klempt, Augusto Smerzi, Luis Santos, and Manuel Gessner

Phys. Rev. Lett. 126, 230602 (2021) - Published 10 June, 2021

Gravitation and Astrophysics

Searching for Signals of Inhomogeneity Using Multiple Probes of the Cosmic Expansion Rate $H (z)$

S. M. Koksbang

Phys. Rev. Lett. 126, 231101 (2021) - Published 9 June, 2021

Elementary Particles and Fields

Feynman Integrals and Scattering Amplitudes from Wilson Loops

Song He, Zhenjie Li, Qinglin Yang, and Chi Zhang

Phys. Rev. Lett. 126, 231601 (2021) - Published 9 June, 2021

Counting Yang-Mills Instantons by Surface Operator Renormalization Group Flow

Giulio Bonelli, Fran Globlek, and Alessandro Tanzini

Phys. Rev. Lett. 126, 231602 (2021) - Published 11 June, 2021

Lattice QCD Equation of State at Finite Chemical Potential from an Alternative Expansion Scheme

S. Borsányi, Z. Fodor, J. N. Guenther, R. Kara, S. D. Katz, P. Parotto, A. Pásztor, C. Ratti, and K. K. Szabó

Phys. Rev. Lett. 126, 232001 (2021) - Published 11 June, 2021

Atomic, Molecular, and Optical Physics

Decoherence-Induced Universality in Simple Metal Cluster Photoelectron Angular Distributions

Adam Piechaczek, Christof Bartels, Christian Hock, Jan-Michael Rost, and Bernd von Issendorff

Phys. Rev. Lett. 126, 233201 (2021) - Published 11 June, 2021

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Birth, Life, and Death of a Dipolar Supersolid

Maximilian Sohmen, Claudia Politi, Lauritz Klaus, Lauriane Chomaz, Manfred J. Mark, Matthew A. Norcia, and Francesca Ferlaino

Phys. Rev. Lett. 126, 233401 (2021) - Published 7 June, 2021

When a cloud of cold atoms goes through a supersolid phase transition its coexisting superfluid and crystalline phases do not emerge simultaneously.

Quantum Entanglement and Modulation Enhancement of Free-Electron–Bound-Electron Interaction

Zhexin Zhao, Xiao-Qi Sun, and Shanhui Fan

Phys. Rev. Lett. 126, 233402 (2021) - Published 11 June, 2021

Toward Atomic-Resolution Quantum Measurements with Coherently Shaped Free Electrons

Ron Ruimy, Alexey Gorlach, Chen Mechel, Nicholas Rivera, and Ido Kaminer

Phys. Rev. Lett. 126, 233403 (2021) - Published 11 June, 2021

Exploring the Many-Body Dynamics Near a Conical Intersection with Trapped Rydberg Ions

Filippo M. Gambetta, Chi Zhang, Markus Hennrich, Igor Lesanovsky, and Weibin Li

Phys. Rev. Lett. 126, 233404 (2021) - Published 11 June, 2021

Bright Polarized Single-Photon Source Based on a Linear Dipole

S. E. Thomas, M. Billard, N. Coste, S. C. Wein, Priya, H. Ollivier, O. Krebs, L. Tazaïrt, A. Harouri, A. Lemaitre, I. Sagnes, C. Anton, L. Lanco, N. Somaschi, J. C. Loredo, and P. Senellart

Phys. Rev. Lett. 126, 233601 (2021) - Published 11 June, 2021

Coupling a Single Trapped Atom to a Whispering-Gallery-Mode Microresonator

Elisa Will, Luke Masters, Arno Rauschenbeutel, Michael Scheucher, and Jürgen Volz

Phys. Rev. Lett. 126, 233602 (2021) - Published 11 June, 2021

Nonlinear Dynamics, Fluid Dynamics, Classical Optics, etc.

Solitons in a Box-Shaped Wave Field with Noise: Perturbation Theory and Statistics

Rustam Mullyadzhanov and Andrey Gelash

Phys. Rev. Lett. 126, 234101 (2021) - Published 11 June, 2021

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Proprioceptive Mechanism for Bioinspired Fish Swimming

J. Sánchez-Rodríguez, F. Celestini, C. Raufaste, and M. Argentina

Phys. Rev. Lett. 126, 234501 (2021) - Published 8 June, 2021

A robotic fish whose swimming action is initiated in the same way as that of real fish could help researchers test predictions about these underwater creatures, using well-controlled conditions.

Transient Solubility Gradients Mediate Oversaturation during Solvent Exchange

Beng Hau Tan, Claus-Dieter Ohl, and Hongjie An

Phys. Rev. Lett. 126, 234502 (2021) - Published 9 June, 2021

Horizontal Motion of a Superhydrophobic Substrate Affects the Drop Bouncing Dynamics

Haiyang Zhan, Chenguang Lu, Cong Liu, Zuankai Wang, Cunjing Lv, and Yahua Liu

Phys. Rev. Lett. 126, 234503 (2021) - Published 11 June, 2021

Plasma and Beam Physics

Generation of Ultrarelativistic Monoenergetic Electron Bunches via a Synergistic Interaction of Longitudinal Electric and Magnetic Fields of a Twisted Laser

Yin Shi, David Blackman, Dan Stutman, and Alexey Arefiev

Phys. Rev. Lett. 126, 234801 (2021) - Published 11 June, 2021

Condensed Matter: Structure, etc.

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Surface Triple Junctions Govern the Strength of a Nanoscale Solid

Ye-Yuan Zhang, Hui Xie, Ling-Zhi Liu, and Hai-Jun Jin

Phys. Rev. Lett. 126, 235501 (2021) - Published 11 June, 2021

Experiments that compress cubes containing gold nanowires suggest that a previously overlooked feature may help explain the surprising strength of tiny objects.

FEATURED IN PHYSICS

EDITORS' SUGGESTION