Volume 114, Issue 9

6 March 2015

Browse Issues:

On the Cover

Observation of a cross-linked actin network collapsed by myosin.

From the article:

Anomalous Discontinuity at the Percolation Critical Point of Active Gels
M. Sheinman, A. Sharma, J. Alvarado, G. H. Koenderink, and F. C. MacKintosh
Phys. Rev. Lett. 114, 098104 (2015)

HIGHLIGHTED ARTICLES

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Prediction and Retrodiction for a Continuously Monitored Superconducting Qubit

D. Tan, S. J. Weber, I. Siddiqi, K. Mølmer, and K. W. Murch

Phys. Rev. Lett. 114, 090403 (2015) - Published 5 March, 2015

Predictions for a quantum measurement are improved by probing the system after the measurement and evolving a model backward in time.

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Functional Metamirrors Using Bianisotropic Elements

V. S. Asadchy, Y. Ra’di, J. Vehmas, and S. A. Tretyakov

Phys. Rev. Lett. 114, 095503 (2015) - Published 6 March, 2015

A mirror made with metamaterials reflects at a selected angle and only responds to radiation of a specific frequency, while being transparent to other radiation.

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Three-Dimensional Reconstruction of the Giant Mimivirus Particle with an X-Ray Free-Electron Laser

Tomas Ekeberg et al.

Phys. Rev. Lett. 114, 098102 (2015) - Published 2 March, 2015

An x-ray laser has imaged the three-dimensional structure of the mimivirus by combining hundreds of measurements on single virus particles.

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Magnetic Flattening of Stem-Cell Spheroids Indicates a Size-Dependent Elastocapillary Transition

Francois Mazuel, Myriam Reffay, Vicard Du, Jean-Claude Bacri, Jean-Paul Rieu, and Claire Wilhelm

Phys. Rev. Lett. 114, 098105 (2015) - Published 4 March, 2015

Magnetic nanoparticles can be used to prepare and characterize multicellular aggregates that serve as model systems for biological tissues.

EDITORS' SUGGESTION

Characterizing Quantum Dynamics with Initial System-Environment Correlations

M. Ringbauer, C. J. Wood, K. Modi, A. Gilchrist, A. G. White, and A. Fedrizzi

Phys. Rev. Lett. 114, 090402 (2015) - Published 4 March, 2015

Using an experimental photonic setup, a quantum system initially correlated with its environment is fully characterized for the first time.

EDITORS' SUGGESTION

Accelerating Cosmological Expansion from Shear and Bulk Viscosity

Stefan Floerchinger, Nikolaos Tetradis, and Urs Achim Wiedemann

Phys. Rev. Lett. 114, 091301 (2015) - Published 3 March, 2015

Shear viscosity can lead to an accelerating cosmological expansion without the assumption of a negative effective pressure.

EDITORS' SUGGESTION

Tuning Bulk and Surface Conduction in the Proposed Topological Kondo Insulator ${SmB}_{6}$

Paul Syers, Dohun Kim, Michael S. Fuhrer, and Johnpierre Paglione

Phys. Rev. Lett. 114, 096601 (2015) - Published 3 March, 2015

Transport measurements in samarium hexaboride - a material expected to behave as a topological Kondo insulator - indicate an insulating bulk material with metallic surface states, with the ability to tune both surface and bulk conduction.

EDITORS' SUGGESTION

Cooper Pair Splitting by Means of Graphene Quantum Dots

Z. B. Tan, D. Cox, T. Nieminen, P. Lähteenmäki, D. Golubev, G. B. Lesovik, and P. J. Hakonen

Phys. Rev. Lett. 114, 096602 (2015) - Published 4 March, 2015

A pair of quantum dots fabricated on graphene can split Cooper pairs providing a natural source of entangled electrons for quantum information solid state devices.

EDITORS' SUGGESTION

Current-Induced Forces and Hot Spots in Biased Nanojunctions

Jing-Tao Lü, Rasmus B. Christensen, Jian-Sheng Wang, Per Hedegård, and Mads Brandbyge

Phys. Rev. Lett. 114, 096801 (2015) - Published 4 March, 2015

Current-induced forces in nanoconductor junctions control the spatial heat dissipation in the conductor, leading to unexpected heat transport across the junction.

EDITORS' SUGGESTION

Dynamically Controlled Resonance Fluorescence Spectra from a Doubly Dressed Single InGaAs Quantum Dot

Y. He, Y.-M. He, J. Liu, Y.-J. Wei, H. Y. Ramírez, M. Atatüre, C. Schneider, M. Kamp, S. Höfling, C.-Y. Lu, and J.-W. Pan

Phys. Rev. Lett. 114, 097402 (2015) - Published 4 March, 2015

A bichromatic laser can dynamically control the resonant optical emission of an InGaAs quantum dot demonstrating the complete cancellation of spontaneous emission spectral lines from the quantum dot for the first time.

EDITORS' SUGGESTION

Giant Enhancement of the Optical Second-Harmonic Emission of ${WSe}_{2}$ Monolayers by Laser Excitation at Exciton Resonances

G. Wang, X. Marie, I. Gerber, T. Amand, D. Lagarde, L. Bouet, M. Vidal, A. Balocchi, and B. Urbaszek

Phys. Rev. Lett. 114, 097403 (2015) - Published 4 March, 2015

A three-order of magnitude increase in the optical second-harmonic emission of WSe $_{2}$ monolayers is detected by tuning the exciting laser beam to the WSe $_{2}$ exciton resonances.

EDITORS' SUGGESTION

Macroscopic Discontinuous Shear Thickening versus Local Shear Jamming in Cornstarch

A. Fall, F. Bertrand, D. Hautemayou, C. Mezière, P. Moucheront, A. Lemaître, and G. Ovarlez

Phys. Rev. Lett. 114, 098301 (2015) - Published 3 March, 2015

Discontinuous shear thickening (an abrupt increase in viscosity) of corn starch is accompanied by a change in structure. Density inhomogeneities develop with a low density flowing layer forming around a high density jammed region.

LETTERS

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

Particle Statistics Affects Quantum Decay and Fano Interference

Andrea Crespi, Linda Sansoni, Giuseppe Della Valle, Alessio Ciamei, Roberta Ramponi, Fabio Sciarrino, Paolo Mataloni, Stefano Longhi, and Roberto Osellame

Phys. Rev. Lett. 114, 090201 (2015) - Published 2 March, 2015

Effects of Fermion Exchange on the Polarization of Exciton Condensates

Monique Combescot, Roland Combescot, Mathieu Alloing, and François Dubin

Phys. Rev. Lett. 114, 090401 (2015) - Published 4 March, 2015

EDITORS' SUGGESTION

Characterizing Quantum Dynamics with Initial System-Environment Correlations

M. Ringbauer, C. J. Wood, K. Modi, A. Gilchrist, A. G. White, and A. Fedrizzi

Phys. Rev. Lett. 114, 090402 (2015) - Published 4 March, 2015

Using an experimental photonic setup, a quantum system initially correlated with its environment is fully characterized for the first time.

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Prediction and Retrodiction for a Continuously Monitored Superconducting Qubit

D. Tan, S. J. Weber, I. Siddiqi, K. Mølmer, and K. W. Murch

Phys. Rev. Lett. 114, 090403 (2015) - Published 5 March, 2015

Predictions for a quantum measurement are improved by probing the system after the measurement and evolving a model backward in time.

Emergent Supersymmetry at the Ising–Berezinskii-Kosterlitz-Thouless Multicritical Point

Liza Huijse, Bela Bauer, and Erez Berg

Phys. Rev. Lett. 114, 090404 (2015) - Published 6 March, 2015

Long-Distance Measurement-Device-Independent Multiparty Quantum Communication

Yao Fu, Hua-Lei Yin, Teng-Yun Chen, and Zeng-Bing Chen

Phys. Rev. Lett. 114, 090501 (2015) - Published 2 March, 2015

Simulating Hamiltonian Dynamics with a Truncated Taylor Series

Dominic W. Berry, Andrew M. Childs, Richard Cleve, Robin Kothari, and Rolando D. Somma

Phys. Rev. Lett. 114, 090502 (2015) - Published 3 March, 2015

Superconducting Quantum Node for Entanglement and Storage of Microwave Radiation

E. Flurin, N. Roch, J. D. Pillet, F. Mallet, and B. Huard

Phys. Rev. Lett. 114, 090503 (2015) - Published 4 March, 2015

Minimal Model of Stochastic Athermal Systems: Origin of Non-Gaussian Noise

Kiyoshi Kanazawa, Tomohiko G. Sano, Takahiro Sagawa, and Hisao Hayakawa

Phys. Rev. Lett. 114, 090601 (2015) - Published 3 March, 2015

Capturing Exponential Variance Using Polynomial Resources: Applying Tensor Networks to Nonequilibrium Stochastic Processes

T. H. Johnson, T. J. Elliott, S. R. Clark, and D. Jaksch

Phys. Rev. Lett. 114, 090602 (2015) - Published 5 March, 2015

Gravitation and Astrophysics

Loophole to the Universal Photon Spectrum in Electromagnetic Cascades and Application to the Cosmological Lithium Problem

Vivian Poulin and Pasquale Dario Serpico

Phys. Rev. Lett. 114, 091101 (2015) - Published 2 March, 2015

EDITORS' SUGGESTION

Accelerating Cosmological Expansion from Shear and Bulk Viscosity

Stefan Floerchinger, Nikolaos Tetradis, and Urs Achim Wiedemann

Phys. Rev. Lett. 114, 091301 (2015) - Published 3 March, 2015

Shear viscosity can lead to an accelerating cosmological expansion without the assumption of a negative effective pressure.

Quanta of Geometry: Noncommutative Aspects

Ali H. Chamseddine, Alain Connes, and Viatcheslav Mukhanov

Phys. Rev. Lett. 114, 091302 (2015) - Published 5 March, 2015

Elementary Particles and Fields

Wess-Zumino Terms for Relativistic Fluids, Superfluids, Solids, and Supersolids

Luca V. Delacrétaz, Alberto Nicolis, Riccardo Penco, and Rachel A. Rosen

Phys. Rev. Lett. 114, 091601 (2015) - Published 2 March, 2015

Spectrum of Three-Body Bound States in a Finite Volume

Ulf-G. Meißner, Guillermo Ríos, and Akaki Rusetsky

Phys. Rev. Lett. 114, 091602 (2015) - Published 4 March, 2015

Central Charges from the $N = 1$ Superconformal Index

Arash Arabi Ardehali, James T. Liu, and Phillip Szepietowski

Phys. Rev. Lett. 114, 091603 (2015) - Published 5 March, 2015

Lepton Flavor Violation in $B$ Decays?

Sheldon L. Glashow, Diego Guadagnoli, and Kenneth Lane

Phys. Rev. Lett. 114, 091801 (2015) - Published 3 March, 2015

Determination of the Strange Nucleon Form Factors

P. E. Shanahan, R. Horsley, Y. Nakamura, D. Pleiter, P. E. L. Rakow, G. Schierholz, H. Stüben, A. W. Thomas, R. D. Young, and J. M. Zanotti (CSSM and QCDSF/UKQCD Collaborations)

Phys. Rev. Lett. 114, 091802 (2015) - Published 3 March, 2015

Three-Body Nature of $N^{}$ and $Δ^{}$ Resonances from Sequential Decay Chains

A. Thiel et al. (CBELSA/TAPS Collaboration)

Phys. Rev. Lett. 114, 091803 (2015) - Published 4 March, 2015

Dissecting Soft Radiation with Factorization

Iain W. Stewart, Frank J. Tackmann, and Wouter J. Waalewijn

Phys. Rev. Lett. 114, 092001 (2015) - Published 4 March, 2015

Jet Quenching Phenomenology from Soft-Collinear Effective Theory with Glauber Gluons

Zhong-Bo Kang, Robin Lashof-Regas, Grigory Ovanesyan, Philip Saad, and Ivan Vitev

Phys. Rev. Lett. 114, 092002 (2015) - Published 3 March, 2015

Study of $e^{+} e^{-} \to ω χ_{c J}$ at Center of Mass Energies from 4.21 to 4.42 GeV

M. Ablikim et al. (BESIII Collaboration)

Phys. Rev. Lett. 114, 092003 (2015) - Published 4 March, 2015

$η_{c}$ Production at the LHC Challenges Nonrelativistic QCD Factorization

Mathias Butenschoen, Zhi-Guo He, and Bernd A. Kniehl

Phys. Rev. Lett. 114, 092004 (2015) - Published 6 March, 2015

$η_{c}$ Production at LHC and Implications for the Understanding of $J / ψ$ Production

Hao Han, Yan-Qing Ma, Ce Meng, Hua-Sheng Shao, and Kuang-Ta Chao

Phys. Rev. Lett. 114, 092005 (2015) - Published 6 March, 2015

Impact of $η_{c}$ Hadroproduction Data on Charmonium Production and Polarization within the Nonrelativistic QCD Framework

Hong-Fei Zhang, Zhan Sun, Wen-Long Sang, and Rong Li

Phys. Rev. Lett. 114, 092006 (2015) - Published 6 March, 2015

Nuclear Physics

Hyperon Puzzle: Hints from Quantum Monte Carlo Calculations

Diego Lonardoni, Alessandro Lovato, Stefano Gandolfi, and Francesco Pederiva

Phys. Rev. Lett. 114, 092301 (2015) - Published 6 March, 2015

Atomic, Molecular, and Optical Physics

Direct Observation of Double-Core-Hole Shake-Up States in Photoemission

Ralph Püttner, Gildas Goldsztejn, Denis Céolin, Jean-Pascal Rueff, Thierry Moreno, Rajesh K. Kushawaha, Tatiana Marchenko, Renaud Guillemin, Loïc Journel, Dennis W. Lindle, Maria Novella Piancastelli, and Marc Simon

Phys. Rev. Lett. 114, 093001 (2015) - Published 4 March, 2015

Observation of Motion-Dependent Nonlinear Dispersion with Narrow-Linewidth Atoms in an Optical Cavity

Philip G. Westergaard, Bjarke T. R. Christensen, David Tieri, Rastin Matin, John Cooper, Murray Holland, Jun Ye, and Jan W. Thomsen

Phys. Rev. Lett. 114, 093002 (2015) - Published 4 March, 2015

$γ$ -Ray Spectra and Enhancement Factors for Positron Annihilation with Core Electrons

D. G. Green and G. F. Gribakin

Phys. Rev. Lett. 114, 093201 (2015) - Published 4 March, 2015

Absorption-Ablation-Excitation Mechanism of Laser-Cluster Interactions in a Nanoaerosol System

Yihua Ren, Shuiqing Li, Yiyang Zhang, Stephen D. Tse, and Marshall B. Long

Phys. Rev. Lett. 114, 093401 (2015) - Published 5 March, 2015

Optical Precursor with Four-Wave Mixing and Storage Based on a Cold-Atom Ensemble

Dong-Sheng Ding, Yun Kun Jiang, Wei Zhang, Zhi-Yuan Zhou, Bao-Sen Shi, and Guang-Can Guo

Phys. Rev. Lett. 114, 093601 (2015) - Published 3 March, 2015

Squeezed Optomechanics with Phase-Matched Amplification and Dissipation

Xin-You Lü, Ying Wu, J. R. Johansson, Hui Jing, Jing Zhang, and Franco Nori

Phys. Rev. Lett. 114, 093602 (2015) - Published 4 March, 2015

Nonlinear Dynamics, Fluid Dynamics, Classical Optics, etc.

Higher-Order Nonlinearities Revisited and Their Effect on Harmonic Generation

Darshana L. Weerawarne, Xiaohui Gao, Alexander L. Gaeta, and Bonggu Shim

Phys. Rev. Lett. 114, 093901 (2015) - Published 2 March, 2015

Optimally Coherent Kerr Combs Generated with Crystalline Whispering Gallery Mode Resonators for Ultrahigh Capacity Fiber Communications

Joerg Pfeifle, Aurélien Coillet, Rémi Henriet, Khaldoun Saleh, Philipp Schindler, Claudius Weimann, Wolfgang Freude, Irina V. Balakireva, Laurent Larger, Christian Koos, and Yanne K. Chembo

Phys. Rev. Lett. 114, 093902 (2015) - Published 2 March, 2015

Time-Ordering Effects in the Generation of Entangled Photons Using Nonlinear Optical Processes

Nicolás Quesada and J. E. Sipe

Phys. Rev. Lett. 114, 093903 (2015) - Published 5 March, 2015

Classical and Quantum Chaotic Angular-Momentum Pumps

T. Dittrich and F. L. Dubeibe

Phys. Rev. Lett. 114, 094101 (2015) - Published 4 March, 2015

Plasma and Beam Physics

Extreme Degree of Ionization in Homogenous Micro-Capillary Plasma Columns Heated by Ultrafast Current Pulses

G. Avaria, M. Grisham, J. Li, F. G. Tomasel, V. N. Shlyaptsev, M. Busquet, M. Woolston, and J. J. Rocca

Phys. Rev. Lett. 114, 095001 (2015) - Published 5 March, 2015

Scaling of Magnetic Reconnection in Relativistic Collisionless Pair Plasmas

Yi-Hsin Liu, Fan Guo, William Daughton, Hui Li, and Michael Hesse

Phys. Rev. Lett. 114, 095002 (2015) - Published 3 March, 2015

Universal Instability for Wavelengths below the Ion Larmor Scale

Matt Landreman, Thomas M. Antonsen, Jr., and William Dorland

Phys. Rev. Lett. 114, 095003 (2015) - Published 4 March, 2015

Enhanced Relativistic-Electron-Beam Energy Loss in Warm Dense Aluminum

X. Vaisseau et al.

Phys. Rev. Lett. 114, 095004 (2015) - Published 4 March, 2015

Condensed Matter: Structure, etc.

Critical Velocity in the BEC-BCS Crossover

Wolf Weimer, Kai Morgener, Vijay Pal Singh, Jonas Siegl, Klaus Hueck, Niclas Luick, Ludwig Mathey, and Henning Moritz

Phys. Rev. Lett. 114, 095301 (2015) - Published 3 March, 2015

Impact of Rattlers on Thermal Conductivity of a Thermoelectric Clathrate: A First-Principles Study

Terumasa Tadano, Yoshihiro Gohda, and Shinji Tsuneyuki

Phys. Rev. Lett. 114, 095501 (2015) - Published 4 March, 2015

Stick-Slip Control in Nanoscale Boundary Lubrication by Surface Wettability

Wei Chen, Adam S. Foster, Mikko J. Alava, and Lasse Laurson

Phys. Rev. Lett. 114, 095502 (2015) - Published 5 March, 2015

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Functional Metamirrors Using Bianisotropic Elements

V. S. Asadchy, Y. Ra’di, J. Vehmas, and S. A. Tretyakov

Phys. Rev. Lett. 114, 095503 (2015) - Published 6 March, 2015

A mirror made with metamaterials reflects at a selected angle and only responds to radiation of a specific frequency, while being transparent to other radiation.

Rate Dependent Response of Nanoscale Structures Having a Multiwell Energy Landscape

Itamar Benichou and Sefi Givli

Phys. Rev. Lett. 114, 095504 (2015) - Published 6 March, 2015

Spin Glass in a Field: A New Zero-Temperature Fixed Point in Finite Dimensions

Maria Chiara Angelini and Giulio Biroli

Phys. Rev. Lett. 114, 095701 (2015) - Published 4 March, 2015

Sliding Mechanisms in Multilayered Hexagonal Boron Nitride and Graphene: The Effects of Directionality, Thickness, and Sliding Constraints

Wang Gao and Alexandre Tkatchenko

Phys. Rev. Lett. 114, 096101 (2015) - Published 2 March, 2015

Unveiling the Orbital Angular Momentum and Acceleration of Electron Beams

Roy Shiloh, Yuval Tsur, Roei Remez, Yossi Lereah, Boris A. Malomed, Vladlen Shvedov, Cyril Hnatovsky, Wieslaw Krolikowski, and Ady Arie

Phys. Rev. Lett. 114, 096102 (2015) - Published 4 March, 2015

Condensed Matter: Electronic Properties, etc.

Adiabatic Pumping of Chern-Simons Axion Coupling

Maryam Taherinejad and David Vanderbilt

Phys. Rev. Lett. 114, 096401 (2015) - Published 4 March, 2015

Orbital Control of Effective Dimensionality: From Spin-Orbital Fractionalization to Confinement in the Anisotropic Ladder System ${CaCu}_{2} O_{3}$

Valentina Bisogni, Krzysztof Wohlfeld, Satoshi Nishimoto, Claude Monney, Jan Trinckauf, Kejin Zhou, Roberto Kraus, Klaus Koepernik, Chinnathambi Sekar, Vladimir Strocov, Bernd Büchner, Thorsten Schmitt, Jeroen van den Brink, and Jochen Geck

Phys. Rev. Lett. 114, 096402 (2015) - Published 4 March, 2015

$J_{eff} = 1 / 2$ Mott-Insulating State in Rh and Ir Fluorides

Turan Birol and Kristjan Haule

Phys. Rev. Lett. 114, 096403 (2015) - Published 5 March, 2015

Structural Distortion-Induced Magnetoelastic Locking in ${Sr}_{2} {IrO}_{4}$ Revealed through Nonlinear Optical Harmonic Generation

D. H. Torchinsky, H. Chu, L. Zhao, N. B. Perkins, Y. Sizyuk, T. Qi, G. Cao, and D. Hsieh

Phys. Rev. Lett. 114, 096404 (2015) - Published 5 March, 2015

Molecular Dynamics with On-the-Fly Machine Learning of Quantum-Mechanical Forces

Zhenwei Li, James R. Kermode, and Alessandro De Vita

Phys. Rev. Lett. 114, 096405 (2015) - Published 6 March, 2015

EDITORS' SUGGESTION

Tuning Bulk and Surface Conduction in the Proposed Topological Kondo Insulator ${SmB}_{6}$

Paul Syers, Dohun Kim, Michael S. Fuhrer, and Johnpierre Paglione

Phys. Rev. Lett. 114, 096601 (2015) - Published 3 March, 2015

EDITORS' SUGGESTION

Cooper Pair Splitting by Means of Graphene Quantum Dots

Z. B. Tan, D. Cox, T. Nieminen, P. Lähteenmäki, D. Golubev, G. B. Lesovik, and P. J. Hakonen

Phys. Rev. Lett. 114, 096602 (2015) - Published 4 March, 2015

A pair of quantum dots fabricated on graphene can split Cooper pairs providing a natural source of entangled electrons for quantum information solid state devices.

EDITORS' SUGGESTION

Current-Induced Forces and Hot Spots in Biased Nanojunctions

Jing-Tao Lü, Rasmus B. Christensen, Jian-Sheng Wang, Per Hedegård, and Mads Brandbyge

Phys. Rev. Lett. 114, 096801 (2015) - Published 4 March, 2015

Current-induced forces in nanoconductor junctions control the spatial heat dissipation in the conductor, leading to unexpected heat transport across the junction.

Robust Helical Edge Transport in Gated $InAs / GaSb$ Bilayers

Lingjie Du, Ivan Knez, Gerard Sullivan, and Rui-Rui Du

Phys. Rev. Lett. 114, 096802 (2015) - Published 4 March, 2015

Band of Critical States in Anderson Localization in a Strong Magnetic Field with Random Spin-Orbit Scattering

C. Wang, Ying Su, Y. Avishai, Yigal Meir, and X. R. Wang

Phys. Rev. Lett. 114, 096803 (2015) - Published 5 March, 2015

Crossed Surface Flat Bands of Weyl Semimetal Superconductors

Bo Lu, Keiji Yada, Masatoshi Sato, and Yukio Tanaka

Phys. Rev. Lett. 114, 096804 (2015) - Published 6 March, 2015

Enhancement of Superconductivity near a Nematic Quantum Critical Point

S. Lederer, Y. Schattner, E. Berg, and S. A. Kivelson

Phys. Rev. Lett. 114, 097001 (2015) - Published 2 March, 2015

Ambient Pressure Structural Quantum Critical Point in the Phase Diagram of ${({Ca}_{x} {Sr}_{1 - x})}_{3} {Rh}_{4} {Sn}_{13}$

S. K. Goh, D. A. Tompsett, P. J. Saines, H. C. Chang, T. Matsumoto, M. Imai, K. Yoshimura, and F. M. Grosche

Phys. Rev. Lett. 114, 097002 (2015) - Published 4 March, 2015

Effects of Lifshitz Transition on Charge Transport in Magnetic Phases of Fe-Based Superconductors

Y. Wang, Maria N. Gastiasoro, Brian M. Andersen, M. Tomić, Harald O. Jeschke, Roser Valentí, Indranil Paul, and P. J. Hirschfeld

Phys. Rev. Lett. 114, 097003 (2015) - Published 4 March, 2015

Phase Diagram of a Three-Dimensional Antiferromagnet with Random Magnetic Anisotropy

Felio A. Perez, Pavel Borisov, Trent A. Johnson, Tudor D. Stanescu, Robbyn Trappen, Mikel B. Holcomb, David Lederman, M. R. Fitzsimmons, Adam A. Aczel, and Tao Hong

Phys. Rev. Lett. 114, 097201 (2015) - Published 4 March, 2015

Exchange-Bias Phenomenon: The Role of the Ferromagnetic Spin Structure

R. Morales, Ali C. Basaran, J. E. Villegas, D. Navas, N. Soriano, B. Mora, C. Redondo, X. Batlle, and Ivan K. Schuller

Phys. Rev. Lett. 114, 097202 (2015) - Published 5 March, 2015

Magnetic Polarization of the Americium $J = 0$ Ground State in ${AmFe}_{2}$

N. Magnani, R. Caciuffo, F. Wilhelm, E. Colineau, R. Eloirdi, J.-C. Griveau, J. Rusz, P. M. Oppeneer, A. Rogalev, and G. H. Lander

Phys. Rev. Lett. 114, 097203 (2015) - Published 6 March, 2015

Momentum-Resolved Spin Dynamics of Bulk and Surface Excited States in the Topological Insulator ${Bi}_{2} {Se}_{3}$

C. Cacho, A. Crepaldi, M. Battiato, J. Braun, F. Cilento, M. Zacchigna, M. C. Richter, O. Heckmann, E. Springate, Y. Liu, S. S. Dhesi, H. Berger, Ph. Bugnon, K. Held, M. Grioni, H. Ebert, K. Hricovini, J. Minár, and F. Parmigiani

Phys. Rev. Lett. 114, 097401 (2015) - Published 4 March, 2015

EDITORS' SUGGESTION

Dynamically Controlled Resonance Fluorescence Spectra from a Doubly Dressed Single InGaAs Quantum Dot

Y. He, Y.-M. He, J. Liu, Y.-J. Wei, H. Y. Ramírez, M. Atatüre, C. Schneider, M. Kamp, S. Höfling, C.-Y. Lu, and J.-W. Pan

Phys. Rev. Lett. 114, 097402 (2015) - Published 4 March, 2015

EDITORS' SUGGESTION

Giant Enhancement of the Optical Second-Harmonic Emission of ${WSe}_{2}$ Monolayers by Laser Excitation at Exciton Resonances

G. Wang, X. Marie, I. Gerber, T. Amand, D. Lagarde, L. Bouet, M. Vidal, A. Balocchi, and B. Urbaszek

Phys. Rev. Lett. 114, 097403 (2015) - Published 4 March, 2015

A three-order of magnitude increase in the optical second-harmonic emission of WSe $_{2}$ monolayers is detected by tuning the exciting laser beam to the WSe $_{2}$ exciton resonances.

Time-Resolved X-Ray Diffraction Reveals the Hidden Mechanism of High Piezoelectric Activity in a Uniaxial Ferroelectric

Semën Gorfman, Hyeokmin Choe, Vladimir V. Shvartsman, Michael Ziolkowski, Marco Vogt, Jörg Strempfer, Tadeusz Łukasiewicz, Ullrich Pietsch, and Jan Dec

Phys. Rev. Lett. 114, 097601 (2015) - Published 3 March, 2015