Volume 131, Issue 4

28 July 2023

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On the Cover

3D representation of the first equidistant eigenmodes in a multimode fiber with periodically modulated core radius and gain profile.

From the article:

Non-Hermitian Mode Cleaning in Periodically Modulated Multimode Fibers
Mohammad Nayeem Akhter, Salim B. Ivars, Muriel Botey, Ramon Herrero, and Kestutis Staliunas
Phys. Rev. Lett. 131, 043604 (2023)

HIGHLIGHTED ARTICLES

FEATURED IN PHYSICS

EDITORS' SUGGESTION

First Dark Matter Search Results from the LUX-ZEPLIN (LZ) Experiment

J. Aalbers et al. (LUX-ZEPLIN Collaboration)

Phys. Rev. Lett. 131, 041002 (2023) - Published 28 July, 2023

Two mammoth underground detectors have delivered more stringent upper limits on how strongly a putative dark matter candidate interacts with normal matter.

FEATURED IN PHYSICS

EDITORS' SUGGESTION

First Dark Matter Search with Nuclear Recoils from the XENONnT Experiment

E. Aprile et al. (XENON Collaboration)

Phys. Rev. Lett. 131, 041003 (2023) - Published 28 July, 2023

Two mammoth underground detectors have delivered more stringent upper limits on how strongly a putative dark matter candidate interacts with normal matter.

FEATURED IN PHYSICS

EDITORS' SUGGESTION

First Observation of a Doubly Charged Tetraquark and Its Neutral Partner

R. Aaij et al. (LHCb Collaboration)

Phys. Rev. Lett. 131, 041902 (2023) - Published 27 July, 2023

CERN’s Large Hadron Collider has detected the signals of two new four-quark states that are unusual because of their charges and their quark compositions.

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Two-Dimensional Crystals far from Equilibrium

Leonardo Galliano, Michael E. Cates, and Ludovic Berthier

Phys. Rev. Lett. 131, 047101 (2023) - Published 25 July, 2023

Crystals cannot form in two-dimensional particle systems at equilibrium. A new study has found a regime where a crystal can form if the system is driven out of equilibrium.

FEATURED IN PHYSICS

Phonon Laser in the Quantum Regime

T. Behrle, T. L. Nguyen, F. Reiter, D. Baur, B. de Neeve, M. Stadler, M. Marinelli, F. Lancellotti, S. F. Yelin, and J. P. Home

Phys. Rev. Lett. 131, 043605 (2023) - Published 28 July, 2023

A laser for vibrational energy, rather than for light, operating in the quantum regime could teach researchers about the interplay between spin, vibration, and dissipation in quantum mechanics.

EDITORS' SUGGESTION

Electroassociation of Ultracold Dipolar Molecules into Tetramer Field-Linked States

Goulven Quéméner, John L. Bohn, and James F. E. Croft

Phys. Rev. Lett. 131, 043402 (2023) - Published 26 July, 2023

A proposed method uses electric fields to form tetramers from two ultracold dipolar molecules, analogous to the magnetic field association between two atoms to form molecules.

EDITORS' SUGGESTION

Femtosecond Polarization Shaping of Free-Electron Laser Pulses

Giovanni Perosa et al.

Phys. Rev. Lett. 131, 045001 (2023) - Published 24 July, 2023

A new method can generate intense, extreme-ultraviolet (XUV) pulses with time-dependent polarization using a free-electron laser, which may lead to new coherent control schemes for probing and manipulating core electrons in matter.

EDITORS' SUGGESTION

Magnetic Susceptibility of Andreev Bound States in Superfluid ${}^{3}{He} − B$

J. W. Scott, M. D. Nguyen, D. Park, and W. P. Halperin

Phys. Rev. Lett. 131, 046001 (2023) - Published 27 July, 2023

The magnetic susceptibility of superfluid Helium-3 in an anisotropic stretched aerogel exhibits behavior indicative of surface Andreev bound states within the planar aerogel structure.

EDITORS' SUGGESTION

Flat $Γ$ Moiré Bands in Twisted Bilayer ${WSe}_{2}$

G. Gatti, J. Issing, L. Rademaker, F. Margot, T. A. de Jong, S. J. van der Molen, J. Teyssier, T. K. Kim, M. D. Watson, C. Cacho, P. Dudin, J. Avila, K. Cordero Edwards, P. Paruch, N. Ubrig, I. Gutiérrez-Lezama, A. F. Morpurgo, A. Tamai, and F. Baumberger

Phys. Rev. Lett. 131, 046401 (2023) - Published 25 July, 2023

Combined real- and momentum-space mapping of moire superlattices reveals intriguing flat-band physics of certain van der Waals materials.

EDITORS' SUGGESTION

Coupling of Ferromagnetic and Antiferromagnetic Spin Dynamics in ${Mn}_{2} Au / NiFe$ Thin Film Bilayers

Hassan Al-Hamdo, Tobias Wagner, Yaryna Lytvynenko, Gutenberg Kendzo, Sonka Reimers, Moritz Ruhwedel, Misbah Yaqoob, Vitaliy I. Vasyuchka, Philipp Pirro, Jairo Sinova, Mathias Kläui, Martin Jourdan, Olena Gomonay, and Mathias Weiler

Phys. Rev. Lett. 131, 046701 (2023) - Published 24 July, 2023

By coupling antiferromagnetic and ferromagnetic modes in a ferromagnet-antiferromagnet bilayer, the antiferromagnetic dynamics can be made visible in the GHz range

EDITORS' SUGGESTION

Nonmonotonous Translocation Time of Polymers across Pores

Emanuele Locatelli, Valentino Bianco, Chantal Valeriani, and Paolo Malgaretti

Phys. Rev. Lett. 131, 048101 (2023) - Published 27 July, 2023

The translocation time of linear polymers across a varying-section channel shows a nonmonotonous dependence on the polymer size, that may be a useful tool to design channels for polymer sorting.

LETTERS

Quantum Information, Science, and Technology

Violation of Detailed Balance in Quantum Open Systems

Robert Alicki, Milan Šindelka, and David Gelbwaser-Klimovsky

Phys. Rev. Lett. 131, 040401 (2023) - Published 26 July, 2023

Semiclassical Husimi Distributions of Schur Vectors in Non-Hermitian Quantum Systems

Joseph Hall, Simon Malzard, and Eva-Maria Graefe

Phys. Rev. Lett. 131, 040402 (2023) - Published 27 July, 2023

Time-Domain Universal Linear-Optical Operations for Universal Quantum Information Processing

Kazuma Yonezu, Yutaro Enomoto, Takato Yoshida, and Shuntaro Takeda

Phys. Rev. Lett. 131, 040601 (2023) - Published 25 July, 2023

Performance Analysis of a Repetition Cat Code Architecture: Computing 256-bit Elliptic Curve Logarithm in 9 Hours with 126 133 Cat Qubits

Élie Gouzien, Diego Ruiz, Francois-Marie Le Régent, Jérémie Guillaud, and Nicolas Sangouard

Phys. Rev. Lett. 131, 040602 (2023) - Published 24 July, 2023

Cosmology, Astrophysics, and Gravitation

Search for Light Dark Matter from the Atmosphere in PandaX-4T

Xuyang Ning et al. (PandaX Collaboration)

Phys. Rev. Lett. 131, 041001 (2023) - Published 24 July, 2023

FEATURED IN PHYSICS

EDITORS' SUGGESTION

First Dark Matter Search Results from the LUX-ZEPLIN (LZ) Experiment

J. Aalbers et al. (LUX-ZEPLIN Collaboration)

Phys. Rev. Lett. 131, 041002 (2023) - Published 28 July, 2023

Two mammoth underground detectors have delivered more stringent upper limits on how strongly a putative dark matter candidate interacts with normal matter.

FEATURED IN PHYSICS

EDITORS' SUGGESTION

First Dark Matter Search with Nuclear Recoils from the XENONnT Experiment

E. Aprile et al. (XENON Collaboration)

Phys. Rev. Lett. 131, 041003 (2023) - Published 28 July, 2023

Two mammoth underground detectors have delivered more stringent upper limits on how strongly a putative dark matter candidate interacts with normal matter.

Circular Polarization of the Astrophysical Gravitational Wave Background

L. Valbusa Dall’Armi, A. Nishizawa, A. Ricciardone, and S. Matarrese

Phys. Rev. Lett. 131, 041401 (2023) - Published 24 July, 2023

Black Lenses in Kaluza-Klein Matter

Marcus A. Khuri and Jordan F. Rainone

Phys. Rev. Lett. 131, 041402 (2023) - Published 25 July, 2023

Frequency-Dependent Squeezed Vacuum Source for the Advanced Virgo Gravitational-Wave Detector

F. Acernese et al. (Virgo Collaboration)

Phys. Rev. Lett. 131, 041403 (2023) - Published 25 July, 2023

Particles and Fields

Bootstrapping Elliptic Feynman Integrals Using Schubert Analysis

Roger Morales, Anne Spiering, Matthias Wilhelm, Qinglin Yang (杨清霖), and Chi Zhang (张驰)

Phys. Rev. Lett. 131, 041601 (2023) - Published 24 July, 2023

Kinematic Lie Algebras from Twistor Spaces

Leron Borsten, Branislav Jurčo, Hyungrok Kim, Tommaso Macrelli, Christian Saemann, and Martin Wolf

Phys. Rev. Lett. 131, 041603 (2023) - Published 26 July, 2023

Search for Higgs Boson and Observation of $Z$ Boson through Their Decay into a Charm Quark-Antiquark Pair in Boosted Topologies in Proton-Proton Collisions at $\sqrt{s} = 13 TeV$

A. Tumasyan et al. (CMS Collaboration)

Phys. Rev. Lett. 131, 041801 (2023) - Published 26 July, 2023

Discriminating between Higgs Production Mechanisms via Jet Charge at the LHC

Hai Tao Li, Bin Yan, and C.-P. Yuan

Phys. Rev. Lett. 131, 041802 (2023) - Published 24 July, 2023

Search for Nonresonant Pair Production of Highly Energetic Higgs Bosons Decaying to Bottom Quarks

A. Tumasyan et al. (CMS Collaboration)

Phys. Rev. Lett. 131, 041803 (2023) - Published 25 July, 2023

Search for Rare Decays of $D^{0}$ Mesons into Two Muons

R. Aaij et al. (LHCb Collaboration)

Phys. Rev. Lett. 131, 041804 (2023) - Published 26 July, 2023

First Measurement of Antideuteron Number Fluctuations at Energies Available at the Large Hadron Collider

S. Acharya et al. (ALICE Collaboration)

Phys. Rev. Lett. 131, 041901 (2023) - Published 25 July, 2023

FEATURED IN PHYSICS

EDITORS' SUGGESTION

First Observation of a Doubly Charged Tetraquark and Its Neutral Partner

R. Aaij et al. (LHCb Collaboration)

Phys. Rev. Lett. 131, 041902 (2023) - Published 27 July, 2023

CERN’s Large Hadron Collider has detected the signals of two new four-quark states that are unusual because of their charges and their quark compositions.

Nuclear Physics

Enhanced Deuteron Coalescence Probability in Jets

S. Acharya et al. (ALICE Collaboration)

Phys. Rev. Lett. 131, 042301 (2023) - Published 26 July, 2023

Nuclear Modification Factor of Neutral Pions in the Forward and Backward Regions in $p − Pb$ Collisions

R. Aaij et al. (LHCb Collaboration)

Phys. Rev. Lett. 131, 042302 (2023) - Published 24 July, 2023

Measurement of the $J / ψ$ Polarization with Respect to the Event Plane in Pb-Pb Collisions at the LHC

S. Acharya et al. (ALICE Collaboration)

Phys. Rev. Lett. 131, 042303 (2023) - Published 25 July, 2023

Spin Alignment of Vector Mesons in Heavy-Ion Collisions

Xin-Li Sheng, Lucia Oliva, Zuo-Tang Liang, Qun Wang, and Xin-Nian Wang

Phys. Rev. Lett. 131, 042304 (2023) - Published 25 July, 2023

Atomic, Molecular, and Optical Physics

Precision Microwave Spectroscopy of the Positronium $2 {{}^{3}S}_{1} \to 2 {{}^{3}P}_{2}$ Interval

R. E. Sheldon, T. J. Babij, S. H. Reeder, S. D. Hogan, and D. B. Cassidy

Phys. Rev. Lett. 131, 043001 (2023) - Published 27 July, 2023

Proposal for Observing XUV-Induced Rabi Oscillation Using Superfluorescent Emission

Jun Jie Cui, Yongjun Cheng, Xin Wang, Zheng Li, Nina Rohringer, Victor Kimberg, and Song Bin Zhang

Phys. Rev. Lett. 131, 043201 (2023) - Published 25 July, 2023

Temperature-Dependent Contact of Weakly Interacting Single-Component Fermi Gases and Loss Rate of Degenerate Polar Molecules

Xin-Yuan Gao, D. Blume, and Yangqian Yan

Phys. Rev. Lett. 131, 043401 (2023) - Published 25 July, 2023

EDITORS' SUGGESTION

Electroassociation of Ultracold Dipolar Molecules into Tetramer Field-Linked States

Goulven Quéméner, John L. Bohn, and James F. E. Croft

Phys. Rev. Lett. 131, 043402 (2023) - Published 26 July, 2023

A proposed method uses electric fields to form tetramers from two ultracold dipolar molecules, analogous to the magnetic field association between two atoms to form molecules.

Non-Fermi Liquids from Kinetic Constraints in Tilted Optical Lattices

Ethan Lake and T. Senthil

Phys. Rev. Lett. 131, 043403 (2023) - Published 25 July, 2023

Triggered Superradiance and Spin Inversion Storage in a Hybrid Quantum System

Wenzel Kersten, Nikolaus de Zordo, Oliver Diekmann, Tobias Reiter, Matthias Zens, Andrew N. Kanagin, Stefan Rotter, Jörg Schmiedmayer, and Andreas Angerer

Phys. Rev. Lett. 131, 043601 (2023) - Published 25 July, 2023

Characterizing Temperature and Strain Variations with Qubit Ensembles for Their Robust Coherence Protection

Guoqing Wang (王国庆), Ariel Rebekah Barr, Hao Tang, Mo Chen (陈墨), Changhao Li (李长昊), Haowei Xu, Andrew Stasiuk, Ju Li, and Paola Cappellaro

Phys. Rev. Lett. 131, 043602 (2023) - Published 25 July, 2023

High- $Q$ Magnetic Levitation and Control of Superconducting Microspheres at Millikelvin Temperatures

J. Hofer, R. Gross, G. Higgins, H. Huebl, O. F. Kieler, R. Kleiner, D. Koelle, P. Schmidt, J. A. Slater, M. Trupke, K. Uhl, T. Weimann, W. Wieczorek, and M. Aspelmeyer

Phys. Rev. Lett. 131, 043603 (2023) - Published 25 July, 2023

Non-Hermitian Mode Cleaning in Periodically Modulated Multimode Fibers

Mohammad Nayeem Akhter, Salim B. Ivars, Muriel Botey, Ramon Herrero, and Kestutis Staliunas

Phys. Rev. Lett. 131, 043604 (2023) - Published 26 July, 2023

FEATURED IN PHYSICS

Phonon Laser in the Quantum Regime

T. Behrle, T. L. Nguyen, F. Reiter, D. Baur, B. de Neeve, M. Stadler, M. Marinelli, F. Lancellotti, S. F. Yelin, and J. P. Home

Phys. Rev. Lett. 131, 043605 (2023) - Published 28 July, 2023

A laser for vibrational energy, rather than for light, operating in the quantum regime could teach researchers about the interplay between spin, vibration, and dissipation in quantum mechanics.

Plasma and Solar Physics, Accelerators and Beams

EDITORS' SUGGESTION

Femtosecond Polarization Shaping of Free-Electron Laser Pulses

Giovanni Perosa et al.

Phys. Rev. Lett. 131, 045001 (2023) - Published 24 July, 2023

Condensed Matter and Materials

EDITORS' SUGGESTION

Magnetic Susceptibility of Andreev Bound States in Superfluid ${}^{3}{He} − B$

J. W. Scott, M. D. Nguyen, D. Park, and W. P. Halperin

Phys. Rev. Lett. 131, 046001 (2023) - Published 27 July, 2023

The magnetic susceptibility of superfluid Helium-3 in an anisotropic stretched aerogel exhibits behavior indicative of surface Andreev bound states within the planar aerogel structure.

Nonlinear Topological Mechanics in Elliptically Geared Isostatic Metamaterials

Fangyuan Ma, Zheng Tang, Xiaotian Shi, Ying Wu, Jinkyu Yang, Di Zhou, Yugui Yao, and Feng Li

Phys. Rev. Lett. 131, 046101 (2023) - Published 25 July, 2023

EDITORS' SUGGESTION

Flat $Γ$ Moiré Bands in Twisted Bilayer ${WSe}_{2}$

Phys. Rev. Lett. 131, 046401 (2023) - Published 25 July, 2023

Combined real- and momentum-space mapping of moire superlattices reveals intriguing flat-band physics of certain van der Waals materials.

Nematic Excitonic Insulator in Transition Metal Dichalcogenide Moiré Heterobilayers

Ming Xie, Haining Pan, Fengcheng Wu, and Sankar Das Sarma

Phys. Rev. Lett. 131, 046402 (2023) - Published 28 July, 2023

Highly Resolved Spectral Functions of Two-Dimensional Systems with Neural Quantum States

Tiago Mendes-Santos, Markus Schmitt, and Markus Heyl

Phys. Rev. Lett. 131, 046501 (2023) - Published 27 July, 2023

Zeeman Field-Induced Two-Dimensional Weyl Semimetal Phase in Cadmium Arsenide

Binghao Guo, Wangqian Miao, Victor Huang, Alexander C. Lygo, Xi Dai, and Susanne Stemmer

Phys. Rev. Lett. 131, 046601 (2023) - Published 27 July, 2023

EDITORS' SUGGESTION

Coupling of Ferromagnetic and Antiferromagnetic Spin Dynamics in ${Mn}_{2} Au / NiFe$ Thin Film Bilayers

Phys. Rev. Lett. 131, 046701 (2023) - Published 24 July, 2023

By coupling antiferromagnetic and ferromagnetic modes in a ferromagnet-antiferromagnet bilayer, the antiferromagnetic dynamics can be made visible in the GHz range

Lamellar Fluctuations Melt Ferroelectricity

G. G. Guzmán-Verri, C. H. Liang, and P. B. Littlewood

Phys. Rev. Lett. 131, 046801 (2023) - Published 25 July, 2023

Statistical Physics; Classical, Nonlinear, and Complex Systems

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Two-Dimensional Crystals far from Equilibrium

Leonardo Galliano, Michael E. Cates, and Ludovic Berthier

Phys. Rev. Lett. 131, 047101 (2023) - Published 25 July, 2023

Crystals cannot form in two-dimensional particle systems at equilibrium. A new study has found a regime where a crystal can form if the system is driven out of equilibrium.

Polymers, Chemical Physics, Soft Matter, and Biological Physics

EDITORS' SUGGESTION

Nonmonotonous Translocation Time of Polymers across Pores

Emanuele Locatelli, Valentino Bianco, Chantal Valeriani, and Paolo Malgaretti

Phys. Rev. Lett. 131, 048101 (2023) - Published 27 July, 2023

The translocation time of linear polymers across a varying-section channel shows a nonmonotonous dependence on the polymer size, that may be a useful tool to design channels for polymer sorting.