Volume 124, Issue 1

10 January 2020

Browse Issues:

On the Cover

Low-energy electron diffraction pattern showing atomic wires generated by the self-assembly of submonolayer amounts of Au on a Si(553) surface at temperatures of 60 K (left) and 180 K (right).

From the article:

Thermally Induced Crossover from 2D to 1D Behavior in an Array of Atomic Wires: Silicon Dangling-Bond Solitons in Si(553)-Au
B. Hafke, C. Brand, T. Witte, B. Sothmann, M. Horn-von Hoegen, and S. C. Erwin
Phys. Rev. Lett. 124, 016102 (2020)

HIGHLIGHTED ARTICLES

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Cross-Platform Verification of Intermediate Scale Quantum Devices

Andreas Elben, Benoît Vermersch, Rick van Bijnen, Christian Kokail, Tiff Brydges, Christine Maier, Manoj K. Joshi, Rainer Blatt, Christian F. Roos, and Peter Zoller

Phys. Rev. Lett. 124, 010504 (2020) - Published 6 January, 2020

A new experiment demonstrates how to verify the output from one quantum computer by comparing it to the output of a second quantum computer.

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Discovering Physical Concepts with Neural Networks

Raban Iten, Tony Metger, Henrik Wilming, Lídia del Rio, and Renato Renner

Phys. Rev. Lett. 124, 010508 (2020) - Published 8 January, 2020

Researchers probe a machine-learning model as it solves physics problems in order to understand how such models “think.”

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Low-Energy Electron Escape from Liquid Interfaces: Charge and Quantum Effects

Loren Ban, Thomas E. Gartmann, Bruce L. Yoder, and R. Signorell

Phys. Rev. Lett. 124, 013402 (2020) - Published 10 January, 2020

A new technique allows accurate measurements of electrons that escape a liquid surface—information that is essential for understanding chemical reactions in water droplets in the atmosphere.

FEATURED IN PHYSICS

Motional Sideband Asymmetry of a Nanoparticle Optically Levitated in Free Space

Felix Tebbenjohanns, Martin Frimmer, Vijay Jain, Dominik Windey, and Lukas Novotny

Phys. Rev. Lett. 124, 013603 (2020) - Published 8 January, 2020

Optically levitated nanosphere shows definitive signature of its quantum ground state of motion.

FEATURED IN PHYSICS

Transient Second-Order Nonlinear Media: Breaking the Spatial Symmetry in the Time Domain via Hot-Electron Transfer

Mohammad Taghinejad, Zihao Xu, Kyu-Tae Lee, Tianquan Lian, and Wenshan Cai

Phys. Rev. Lett. 124, 013901 (2020) - Published 2 January, 2020

Using a laser, researchers double the frequency of light reflected off a surface, showcasing on-demand, all-optical control of optical effects needed in optoelectronics.

EDITORS' SUGGESTION

Preparing Atomic Topological Quantum Matter by Adiabatic Nonunitary Dynamics

S. Barbarino, J. Yu, P. Zoller, and J. C. Budich

Phys. Rev. Lett. 124, 010401 (2020) - Published 2 January, 2020

A method to efficiently prepare topological states in ultracold atoms is formulated.

EDITORS' SUGGESTION

Deuteron-to-Proton Mass Ratio from the Cyclotron Frequency Ratio of $H_{2}^{+}$ to $D^{+}$ with $H_{2}^{+}$ in a Resolved Vibrational State

David J. Fink and Edmund G. Myers

Phys. Rev. Lett. 124, 013001 (2020) - Published 2 January, 2020

An improved measurement of ratio of cyclotron frequencies of H $_{2}^{+}$ and D $_{2}^{+}$ leads to the most precise determination of the deuteron-to-proton mass to date.

EDITORS' SUGGESTION

Absolute Measurement of Laser Ionization Yield in Atmospheric Pressure Range Gases over 14 Decades

D. Woodbury, R. M. Schwartz, E. Rockafellow, J. K. Wahlstrand, and H. M. Milchberg

Phys. Rev. Lett. 124, 013201 (2020) - Published 6 January, 2020

Laser ionization yield of dense gases confirms the model of isolated molecules and the importance of contaminants, but not of many-body effects under those conditions.

EDITORS' SUGGESTION

Strong Coupling of a Single Ion to an Optical Cavity

Hiroki Takahashi, Ezra Kassa, Costas Christoforou, and Matthias Keller

Phys. Rev. Lett. 124, 013602 (2020) - Published 2 January, 2020

Cavity assisted Raman spectroscopy demonstrates vacuum Rabi splitting for an ion-cavity system, thereby showing that this system reaches the strong coupling regime.

EDITORS' SUGGESTION

Observation of Stimulated Brillouin Scattering in Silicon Nitride Integrated Waveguides

Flavien Gyger, Junqiu Liu, Fan Yang, Jijun He, Arslan S. Raja, Rui Ning Wang, Sunil A. Bhave, Tobias J. Kippenberg, and Luc Thévenaz

Phys. Rev. Lett. 124, 013902 (2020) - Published 3 January, 2020

The excellent power-handling properties of silicon nitride waveguides, a promising platform in integrated nanophotonics, can be explained with the observation of backward-stimulated Brillouin scattering combined with simulations that provide an estimation of the photoelastic constant.

EDITORS' SUGGESTION

Stabilized Pair Density Wave via Nanoscale Confinement of Superfluid ${}^{3}{He}$

A. J. Shook, V. Vadakkumbatt, P. Senarath Yapa, C. Doolin, R. Boyack, P. H. Kim, G. G. Popowich, F. Souris, H. Christani, J. Maciejko, and J. P. Davis

Phys. Rev. Lett. 124, 015301 (2020) - Published 3 January, 2020

A pair density state is experimentally demonstrated in superfluid $^{3}$ He under nanoscale uniaxial confinement.

LETTERS

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

EDITORS' SUGGESTION

Preparing Atomic Topological Quantum Matter by Adiabatic Nonunitary Dynamics

S. Barbarino, J. Yu, P. Zoller, and J. C. Budich

Phys. Rev. Lett. 124, 010401 (2020) - Published 2 January, 2020

A method to efficiently prepare topological states in ultracold atoms is formulated.

Quantum-Chaotic Evolution Reproduced from Effective Integrable Trajectories

Gabriel M. Lando and Alfredo M. Ozorio de Almeida

Phys. Rev. Lett. 124, 010402 (2020) - Published 7 January, 2020

Simulating a Mott Insulator Using Attractive Interaction

M. Gall, C. F. Chan, N. Wurz, and M. Köhl

Phys. Rev. Lett. 124, 010403 (2020) - Published 8 January, 2020

Disorderless Quasi-localization of Polar Gases in One-Dimensional Lattices

W. Li, A. Dhar, X. Deng, K. Kasamatsu, L. Barbiero, and L. Santos

Phys. Rev. Lett. 124, 010404 (2020) - Published 10 January, 2020

Complete Quantum-State Tomography with a Local Random Field

Pengcheng Yang, Min Yu, Ralf Betzholz, Christian Arenz, and Jianming Cai

Phys. Rev. Lett. 124, 010405 (2020) - Published 10 January, 2020

Robust Architecture for Programmable Universal Unitaries

M. Yu. Saygin, I. V. Kondratyev, I. V. Dyakonov, S. A. Mironov, S. S. Straupe, and S. P. Kulik

Phys. Rev. Lett. 124, 010501 (2020) - Published 2 January, 2020

Experimentally Verified Approach to Nonentanglement-Breaking Channel Certification

Yingqiu Mao, Yi-Zheng Zhen, Hui Liu, Mi Zou, Qi-Jie Tang, Si-Jie Zhang, Jian Wang, Hao Liang, Weijun Zhang, Hao Li, Lixing You, Zhen Wang, Li Li, Nai-Le Liu, Kai Chen, Teng-Yun Chen, and Jian-Wei Pan

Phys. Rev. Lett. 124, 010502 (2020) - Published 2 January, 2020

Measurement-Device-Independent Verification of Quantum Channels

Francesco Graffitti, Alexander Pickston, Peter Barrow, Massimiliano Proietti, Dmytro Kundys, Denis Rosset, Martin Ringbauer, and Alessandro Fedrizzi

Phys. Rev. Lett. 124, 010503 (2020) - Published 2 January, 2020

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Cross-Platform Verification of Intermediate Scale Quantum Devices

Andreas Elben, Benoît Vermersch, Rick van Bijnen, Christian Kokail, Tiff Brydges, Christine Maier, Manoj K. Joshi, Rainer Blatt, Christian F. Roos, and Peter Zoller

Phys. Rev. Lett. 124, 010504 (2020) - Published 6 January, 2020

A new experiment demonstrates how to verify the output from one quantum computer by comparing it to the output of a second quantum computer.

Experimental Low-Latency Device-Independent Quantum Randomness

Yanbao Zhang, Lynden K. Shalm, Joshua C. Bienfang, Martin J. Stevens, Michael D. Mazurek, Sae Woo Nam, Carlos Abellán, Waldimar Amaya, Morgan W. Mitchell, Honghao Fu, Carl A. Miller, Alan Mink, and Emanuel Knill

Phys. Rev. Lett. 124, 010505 (2020) - Published 7 January, 2020

Protocol for Implementing Quantum Nonparametric Learning with Trapped Ions

Dan-Bo Zhang, Shi-Liang Zhu, and Z. D. Wang

Phys. Rev. Lett. 124, 010506 (2020) - Published 7 January, 2020

Standard Quantum Limit and Heisenberg Limit in Function Estimation

Naoto Kura and Masahito Ueda

Phys. Rev. Lett. 124, 010507 (2020) - Published 8 January, 2020

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Discovering Physical Concepts with Neural Networks

Raban Iten, Tony Metger, Henrik Wilming, Lídia del Rio, and Renato Renner

Phys. Rev. Lett. 124, 010508 (2020) - Published 8 January, 2020

Researchers probe a machine-learning model as it solves physics problems in order to understand how such models “think.”

Einstein-Podolsky-Rosen Energy-Time Entanglement of Narrow-Band Biphotons

Yefeng Mei, Yiru Zhou, Shanchao Zhang, Jianfeng Li, Kaiyu Liao, Hui Yan, Shi-Liang Zhu, and Shengwang Du

Phys. Rev. Lett. 124, 010509 (2020) - Published 10 January, 2020

Long-Distance Distribution of Atom-Photon Entanglement at Telecom Wavelength

Tim van Leent, Matthias Bock, Robert Garthoff, Kai Redeker, Wei Zhang, Tobias Bauer, Wenjamin Rosenfeld, Christoph Becher, and Harald Weinfurter

Phys. Rev. Lett. 124, 010510 (2020) - Published 10 January, 2020

Proposal for Heralded Generation and Detection of Entangled Microwave–Optical-Photon Pairs

Changchun Zhong, Zhixin Wang, Changling Zou, Mengzhen Zhang, Xu Han, Wei Fu, Mingrui Xu, S. Shankar, Michel H. Devoret, Hong X. Tang, and Liang Jiang

Phys. Rev. Lett. 124, 010511 (2020) - Published 10 January, 2020

Continuum Limits of Homogeneous Binary Trees and the Thompson Group

Alexander Kliesch and Robert König

Phys. Rev. Lett. 124, 010601 (2020) - Published 2 January, 2020

Gaussian Thermal Operations and The Limits of Algorithmic Cooling

A. Serafini, M. Lostaglio, S. Longden, U. Shackerley-Bennett, C.-Y. Hsieh, and G. Adesso

Phys. Rev. Lett. 124, 010602 (2020) - Published 2 January, 2020

Feedback-Induced Quantum Phase Transitions Using Weak Measurements

D. A. Ivanov, T. Yu. Ivanova, S. F. Caballero-Benitez, and I. B. Mekhov

Phys. Rev. Lett. 124, 010603 (2020) - Published 6 January, 2020

Elementary Particles and Fields

How $a$ -Type Anomalies Can Depend on Marginal Couplings

Christopher P. Herzog and Itamar Shamir

Phys. Rev. Lett. 124, 011601 (2020) - Published 2 January, 2020

Directly Deflecting Particle Dark Matter

Asher Berlin, Raffaele Tito D’Agnolo, Sebastian A. R. Ellis, Philip Schuster, and Natalia Toro

Phys. Rev. Lett. 124, 011801 (2020) - Published 2 January, 2020

Nuclear Physics

Precision Measurement of the Neutron Scattering Length of ${}^{4}{He}$ Using Neutron Interferometry

R. Haun, F. E. Wietfeldt, M. Arif, M. G. Huber, T. C. Black, B. Heacock, D. A. Pushin, and C. B. Shahi

Phys. Rev. Lett. 124, 012501 (2020) - Published 7 January, 2020

Atomic, Molecular, and Optical Physics

EDITORS' SUGGESTION

Deuteron-to-Proton Mass Ratio from the Cyclotron Frequency Ratio of $H_{2}^{+}$ to $D^{+}$ with $H_{2}^{+}$ in a Resolved Vibrational State

David J. Fink and Edmund G. Myers

Phys. Rev. Lett. 124, 013001 (2020) - Published 2 January, 2020

An improved measurement of ratio of cyclotron frequencies of H $_{2}^{+}$ and D $_{2}^{+}$ leads to the most precise determination of the deuteron-to-proton mass to date.

Probing Electronic Fluxes via Time-Resolved X-Ray Scattering

Gunter Hermann, Vincent Pohl, Gopal Dixit, and Jean Christophe Tremblay

Phys. Rev. Lett. 124, 013002 (2020) - Published 8 January, 2020

EDITORS' SUGGESTION

Absolute Measurement of Laser Ionization Yield in Atmospheric Pressure Range Gases over 14 Decades

D. Woodbury, R. M. Schwartz, E. Rockafellow, J. K. Wahlstrand, and H. M. Milchberg

Phys. Rev. Lett. 124, 013201 (2020) - Published 6 January, 2020

Laser ionization yield of dense gases confirms the model of isolated molecules and the importance of contaminants, but not of many-body effects under those conditions.

Few-Body Perspective of a Quantum Anomaly in Two-Dimensional Fermi Gases

X. Y. Yin, Hui Hu, and Xia-Ji Liu

Phys. Rev. Lett. 124, 013401 (2020) - Published 9 January, 2020

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Low-Energy Electron Escape from Liquid Interfaces: Charge and Quantum Effects

Loren Ban, Thomas E. Gartmann, Bruce L. Yoder, and R. Signorell

Phys. Rev. Lett. 124, 013402 (2020) - Published 10 January, 2020

A new technique allows accurate measurements of electrons that escape a liquid surface—information that is essential for understanding chemical reactions in water droplets in the atmosphere.

Controllable Switching between Superradiant and Subradiant States in a 10-qubit Superconducting Circuit

Zhen Wang, Hekang Li, Wei Feng, Xiaohui Song, Chao Song, Wuxin Liu, Qiujiang Guo, Xu Zhang, Hang Dong, Dongning Zheng, H. Wang, and Da-Wei Wang

Phys. Rev. Lett. 124, 013601 (2020) - Published 2 January, 2020

EDITORS' SUGGESTION

Strong Coupling of a Single Ion to an Optical Cavity

Hiroki Takahashi, Ezra Kassa, Costas Christoforou, and Matthias Keller

Phys. Rev. Lett. 124, 013602 (2020) - Published 2 January, 2020

Cavity assisted Raman spectroscopy demonstrates vacuum Rabi splitting for an ion-cavity system, thereby showing that this system reaches the strong coupling regime.

FEATURED IN PHYSICS

Motional Sideband Asymmetry of a Nanoparticle Optically Levitated in Free Space

Felix Tebbenjohanns, Martin Frimmer, Vijay Jain, Dominik Windey, and Lukas Novotny

Phys. Rev. Lett. 124, 013603 (2020) - Published 8 January, 2020

Optically levitated nanosphere shows definitive signature of its quantum ground state of motion.

Dispersion Interaction between Two Hydrogen Atoms in a Static Electric Field

Giuseppe Fiscelli, Lucia Rizzuto, and Roberto Passante

Phys. Rev. Lett. 124, 013604 (2020) - Published 8 January, 2020

Detector-Agnostic Phase-Space Distributions

J. Sperling, D. S. Phillips, J. F. F Bulmer, G. S. Thekkadath, A. Eckstein, T. A. W. Wolterink, J. Lugani, S. W. Nam, A. Lita, T. Gerrits, W. Vogel, G. S. Agarwal, C. Silberhorn, and I. A. Walmsley

Phys. Rev. Lett. 124, 013605 (2020) - Published 9 January, 2020

Nonconservative Coupling in a Passive Silicon Microring Resonator

H. Du, X. Zhang, C. G. Littlejohns, D. T. Tran, X. Yan, M. Banakar, C. Wei, D. J. Thomson, and G. T. Reed

Phys. Rev. Lett. 124, 013606 (2020) - Published 9 January, 2020

Single Photons Emitted by Nanocrystals Optically Trapped in a Deep Parabolic Mirror

Vsevolod Salakhutdinov, Markus Sondermann, Luigi Carbone, Elisabeth Giacobino, Alberto Bramati, and Gerd Leuchs

Phys. Rev. Lett. 124, 013607 (2020) - Published 10 January, 2020

Nonlinear Dynamics, Fluid Dynamics, Classical Optics, etc.

FEATURED IN PHYSICS

Transient Second-Order Nonlinear Media: Breaking the Spatial Symmetry in the Time Domain via Hot-Electron Transfer

Mohammad Taghinejad, Zihao Xu, Kyu-Tae Lee, Tianquan Lian, and Wenshan Cai

Phys. Rev. Lett. 124, 013901 (2020) - Published 2 January, 2020

Using a laser, researchers double the frequency of light reflected off a surface, showcasing on-demand, all-optical control of optical effects needed in optoelectronics.

EDITORS' SUGGESTION

Observation of Stimulated Brillouin Scattering in Silicon Nitride Integrated Waveguides

Flavien Gyger, Junqiu Liu, Fan Yang, Jijun He, Arslan S. Raja, Rui Ning Wang, Sunil A. Bhave, Tobias J. Kippenberg, and Luc Thévenaz

Phys. Rev. Lett. 124, 013902 (2020) - Published 3 January, 2020

Giant Casimir Torque between Rotated Gratings and the $θ = 0$ Anomaly

Mauro Antezza, H. B. Chan, Brahim Guizal, Valery N. Marachevsky, Riccardo Messina, and Mingkang Wang

Phys. Rev. Lett. 124, 013903 (2020) - Published 7 January, 2020

Fundamental Limits to Radiative Heat Transfer: The Limited Role of Nanostructuring in the Near-Field

Prashanth S. Venkataram, Sean Molesky, Weiliang Jin, and Alejandro W. Rodriguez

Phys. Rev. Lett. 124, 013904 (2020) - Published 9 January, 2020

Critical Point for Bifurcation Cascades and Featureless Turbulence

Jacopo Canton, Enrico Rinaldi, Ramis Örlü, and Philipp Schlatter

Phys. Rev. Lett. 124, 014501 (2020) - Published 9 January, 2020

Plasma and Beam Physics

Polarized Ultrashort Brilliant Multi-GeV $γ$ Rays via Single-Shot Laser-Electron Interaction

Yan-Fei Li, Rashid Shaisultanov, Yue-Yue Chen, Feng Wan, Karen Z. Hatsagortsyan, Christoph H. Keitel, and Jian-Xing Li

Phys. Rev. Lett. 124, 014801 (2020) - Published 9 January, 2020

Condensed Matter: Structure, etc.

EDITORS' SUGGESTION

Stabilized Pair Density Wave via Nanoscale Confinement of Superfluid ${}^{3}{He}$

A. J. Shook, V. Vadakkumbatt, P. Senarath Yapa, C. Doolin, R. Boyack, P. H. Kim, G. G. Popowich, F. Souris, H. Christani, J. Maciejko, and J. P. Davis

Phys. Rev. Lett. 124, 015301 (2020) - Published 3 January, 2020

A pair density state is experimentally demonstrated in superfluid $^{3}$ He under nanoscale uniaxial confinement.

Rigidity-Controlled Crossover: From Spinodal to Critical Failure

Hudson Borja da Rocha and Lev Truskinovsky

Phys. Rev. Lett. 124, 015501 (2020) - Published 8 January, 2020

Probing the Solid Phase of Noble Metal Copper at Terapascal Conditions

D. E. Fratanduono, R. F. Smith, S. J. Ali, D. G. Braun, A. Fernandez-Pañella, S. Zhang, R. G. Kraus, F. Coppari, J. M. McNaney, M. C. Marshall, L. E. Kirch, D. C. Swift, M. Millot, J. K. Wicks, and J. H. Eggert

Phys. Rev. Lett. 124, 015701 (2020) - Published 8 January, 2020

Film Thickness of Pb Islands on the Si(111) Surface

Th. Späth, M. Popp, and R. Hoffmann-Vogel

Phys. Rev. Lett. 124, 016101 (2020) - Published 10 January, 2020

Thermally Induced Crossover from 2D to 1D Behavior in an Array of Atomic Wires: Silicon Dangling-Bond Solitons in Si(553)-Au

B. Hafke, C. Brand, T. Witte, B. Sothmann, M. Horn-von Hoegen, and S. C. Erwin

Phys. Rev. Lett. 124, 016102 (2020) - Published 10 January, 2020

Condensed Matter: Electronic Properties, etc.

Strongly Correlated Materials from a Numerical Renormalization Group Perspective: How the Fermi-Liquid State of ${Sr}_{2} {RuO}_{4}$ Emerges

Fabian B. Kugler, Manuel Zingl, Hugo U. R. Strand, Seung-Sup B. Lee, Jan von Delft, and Antoine Georges

Phys. Rev. Lett. 124, 016401 (2020) - Published 2 January, 2020

Polymer, Soft Matter, Biological, Climate, and Interdisciplinary Physics

COMMENTS

Comment on “Measurement of the Electrical Properties of a Thundercloud through Muon Imaging by the GRAPES-3 Experiment”

A. Chilingarian, G. Hovsepyan, E. Svechnikova, and E. Mareev

Phys. Rev. Lett. 124, 019501 (2020) - Published 2 January, 2020