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On the Cover

Temperature and polarization maps from the Planck satellite of the microwave sky at 353 GHz before (left) and after (right) BICEP2/Keck filtering.

From the article:

Joint Analysis of BICEP2/Keck Array and Planck Data
P. A. R. Ade et al. (BICEP2/Keck and Planck Collaborations)
Phys. Rev. Lett. 114, 101301 (2015)

HIGHLIGHTED ARTICLES

Atom Interferometry in an Optical Cavity

Paul Hamilton, Matt Jaffe, Justin M. Brown, Lothar Maisenbacher, Brian Estey, and Holger Müller

Phys. Rev. Lett. 114, 100405 (2015) - Published 11 March, 2015

An atom interferometer embedded in an optical cavity requires less power compared to previous techniques and may work with a wider variety of atoms and molecules.

Randomized Benchmarking of Single-Qubit Gates in a 2D Array of Neutral-Atom Qubits

T. Xia, M. Lichtman, K. Maller, A. W. Carr, M. J. Piotrowicz, L. Isenhower, and M. Saffman

Phys. Rev. Lett. 114, 100503 (2015) - Published 12 March, 2015

A scheme based on a combination of lasers and microwaves can fully control a single atomic qubit sitting within a large multiqubit array.

Joint Analysis of BICEP2/Keck Array and Planck Data

P. A. R. Ade et al. (BICEP2/Keck and Planck Collaborations)

Phys. Rev. Lett. 114, 101301 (2015) - Published 9 March, 2015

A signal in the cosmic microwave background thought to be evidence of inflation in the early Universe can be explained by interstellar dust.

Radially Polarized Light for Detection and Nanolocalization of Dielectric Particles on a Planar Substrate

S. Roy, K. Ushakova, Q. van den Berg, S. F. Pereira, and H. P. Urbach

Phys. Rev. Lett. 114, 103903 (2015) - Published 12 March, 2015

An optical microscopy scheme uses interference effects to reveal nanoscale defects on the surface of materials.

Controlling the Spin of Co Atoms on Pt(111) by Hydrogen Adsorption

Q. Dubout, F. Donati, C. Wäckerlin, F. Calleja, M. Etzkorn, A. Lehnert, L. Claude, P. Gambardella, and H. Brune

Phys. Rev. Lett. 114, 106807 (2015) - Published 11 March, 2015

Cobalt atoms exposed to hydrogen gas have higher spins, an effect that could be used to build magnetic nanostructures and lattices.

Quantum Imaging by Coherent Enhancement

Guang Hao Low, Theodore J. Yoder, and Isaac L. Chuang

Phys. Rev. Lett. 114, 100801 (2015) - Published 11 March, 2015

A proposed imaging method would image particles faster than classical approaches, provided the particles remain in a coherent quantum state.

Molecular Orbital Imaging of the Acetone S2 Excited State Using Time-Resolved (e, 2e) Electron Momentum Spectroscopy

Masakazu Yamazaki, Keiya Oishi, Hiroyuki Nakazawa, Chaoyuan Zhu, and Masahiko Takahashi

Phys. Rev. Lett. 114, 103005 (2015) - Published 13 March, 2015

A twist on an established imaging method has detected a molecule’s short-lived excited state, raising the possibility of movies of chemical reactions.

Entanglement Swapping between Discrete and Continuous Variables

Shuntaro Takeda, Maria Fuwa, Peter van Loock, and Akira Furusawa

Phys. Rev. Lett. 114, 100501 (2015) - Published 9 March, 2015

Using a hybrid optical setup, entanglement swapping is demonstrated between a discrete two-qubit and a continuous two-mode system.

Signatures of Fractional Exclusion Statistics in the Spectroscopy of Quantum Hall Droplets

Nigel R. Cooper and Steven H. Simon

Phys. Rev. Lett. 114, 106802 (2015) - Published 9 March, 2015

Fractional statistics of quantum particles could be measured in rotating droplets of atomic gasses by simply counting spectral lines, according to this theoretical proposal.

Approaching Truly Freestanding Graphene: The Structure of Hydrogen-Intercalated Graphene on 6HSiC(0001)

J. Sforzini, L. Nemec, T. Denig, B. Stadtmüller, T.-L. Lee, C. Kumpf, S. Soubatch, U. Starke, P. Rinke, V. Blum, F. C. Bocquet, and F. S. Tautz

Phys. Rev. Lett. 114, 106804 (2015) - Published 10 March, 2015

X-ray measurements of its vertical absorption height indicate that hydrogen-intercalated graphene on silicon carbide is effectively free-standing.

Detection of a Superconducting Phase in a Two-Atom Layer of Hexagonal Ga Film Grown on Semiconducting GaN(0001)

Hui-Min Zhang, Yi Sun, Wei Li, Jun-Ping Peng, Can-Li Song, Ying Xing, Qinghua Zhang, Jiaqi Guan, Zhi Li, Yanfei Zhao, Shuaihua Ji, Lili Wang, Ke He, Xi Chen, Lin Gu, Langsheng Ling, Mingliang Tian, Lian Li, X. C. Xie, Jianping Liu, Hui Yang, Qi-Kun Xue, Jian Wang, and Xucun Ma

Phys. Rev. Lett. 114, 107003 (2015) - Published 10 March, 2015

Two-dimensional Gallium grown on an insulating GaN substrate has a superconductor transition temperature of 5.4 K, five times larger than that of a bulk Ga sample.

Interactions and Stress Relaxation in Monolayers of Soft Nanoparticles at Fluid-Fluid Interfaces

Valeria Garbin, Ian Jenkins, Talid Sinno, John C. Crocker, and Kathleen J. Stebe

Phys. Rev. Lett. 114, 108301 (2015) - Published 9 March, 2015

The interactions between soft deformable colloids are measured for ligand coated nanoparticles trapped at an oil-water interface. The ligand layer is seen to dominate the interparticle interactions and the stress relaxation of the system.

LETTERS

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

Topological States in a One-Dimensional Fermi Gas with Attractive Interaction

Jonathan Ruhman, Erez Berg, and Ehud Altman

Phys. Rev. Lett. 114, 100401 (2015) - Published 10 March, 2015

Two Copies of the Einstein-Podolsky-Rosen State of Light Lead to Refutation of EPR Ideas

Krzysztof Rosołek, Magdalena Stobińska, Marcin Wieśniak, and Marek Żukowski

Phys. Rev. Lett. 114, 100402 (2015) - Published 10 March, 2015

Nonlinear Entanglement and its Application to Generating Cat States

Y. Shen, S. M. Assad, N. B. Grosse, X. Y. Li, M. D. Reid, and P. K. Lam

Phys. Rev. Lett. 114, 100403 (2015) - Published 10 March, 2015

Asymptotic Bound for Heat-Bath Algorithmic Cooling

Sadegh Raeisi and Michele Mosca

Phys. Rev. Lett. 114, 100404 (2015) - Published 10 March, 2015

Atom Interferometry in an Optical Cavity

Paul Hamilton, Matt Jaffe, Justin M. Brown, Lothar Maisenbacher, Brian Estey, and Holger Müller

Phys. Rev. Lett. 114, 100405 (2015) - Published 11 March, 2015

An atom interferometer embedded in an optical cavity requires less power compared to previous techniques and may work with a wider variety of atoms and molecules.

Spin-Orbital Exchange of Strongly Interacting Fermions in the p Band of a Two-Dimensional Optical Lattice

Zhenyu Zhou, Erhai Zhao, and W. Vincent Liu

Phys. Rev. Lett. 114, 100406 (2015) - Published 13 March, 2015

Entanglement Swapping between Discrete and Continuous Variables

Shuntaro Takeda, Maria Fuwa, Peter van Loock, and Akira Furusawa

Phys. Rev. Lett. 114, 100501 (2015) - Published 9 March, 2015

Using a hybrid optical setup, entanglement swapping is demonstrated between a discrete two-qubit and a continuous two-mode system.

Solution to the Quantum Zermelo Navigation Problem

Dorje C. Brody and David M. Meier

Phys. Rev. Lett. 114, 100502 (2015) - Published 11 March, 2015

Randomized Benchmarking of Single-Qubit Gates in a 2D Array of Neutral-Atom Qubits

T. Xia, M. Lichtman, K. Maller, A. W. Carr, M. J. Piotrowicz, L. Isenhower, and M. Saffman

Phys. Rev. Lett. 114, 100503 (2015) - Published 12 March, 2015

A scheme based on a combination of lasers and microwaves can fully control a single atomic qubit sitting within a large multiqubit array.

Absence of Diffusion in an Interacting System of Spinless Fermions on a One-Dimensional Disordered Lattice

Yevgeny Bar Lev, Guy Cohen, and David R. Reichman

Phys. Rev. Lett. 114, 100601 (2015) - Published 11 March, 2015

Quantum Imaging by Coherent Enhancement

Guang Hao Low, Theodore J. Yoder, and Isaac L. Chuang

Phys. Rev. Lett. 114, 100801 (2015) - Published 11 March, 2015

A proposed imaging method would image particles faster than classical approaches, provided the particles remain in a coherent quantum state.

Gravitation and Astrophysics

Joint Analysis of BICEP2/Keck Array and Planck Data

P. A. R. Ade et al. (BICEP2/Keck and Planck Collaborations)

Phys. Rev. Lett. 114, 101301 (2015) - Published 9 March, 2015

A signal in the cosmic microwave background thought to be evidence of inflation in the early Universe can be explained by interstellar dust.

Sequestration of Vacuum Energy and the End of the Universe

Nemanja Kaloper and Antonio Padilla

Phys. Rev. Lett. 114, 101302 (2015) - Published 10 March, 2015

Reconstructing the Nature of the First Cosmic Sources from the Anisotropic 21-cm Signal

Anastasia Fialkov, Rennan Barkana, and Aviad Cohen

Phys. Rev. Lett. 114, 101303 (2015) - Published 10 March, 2015

Measuring the Speed of Light with Baryon Acoustic Oscillations

Vincenzo Salzano, Mariusz P. Dąbrowski, and Ruth Lazkoz

Phys. Rev. Lett. 114, 101304 (2015) - Published 13 March, 2015

Elementary Particles and Fields

Search for Monotop Signatures in Proton-Proton Collisions at s=8TeV

V. Khachatryan et al. (CMS Collaboration)

Phys. Rev. Lett. 114, 101801 (2015) - Published 10 March, 2015

Exclusive Window onto Higgs Yukawa Couplings

Alexander L. Kagan, Gilad Perez, Frank Petriello, Yotam Soreq, Stoyan Stoynev, and Jure Zupan

Phys. Rev. Lett. 114, 101802 (2015) - Published 10 March, 2015

Effects of Heavy Sea Quarks at Low Energies

Mattia Bruno, Jacob Finkenrath, Francesco Knechtli, Björn Leder, and Rainer Sommer (ALPHA collaboration)

Phys. Rev. Lett. 114, 102001 (2015) - Published 10 March, 2015

Atomic, Molecular, and Optical Physics

Polarization Shaping for Unidirectional Rotational Motion of Molecules

G. Karras, M. Ndong, E. Hertz, D. Sugny, F. Billard, B. Lavorel, and O. Faucher

Phys. Rev. Lett. 114, 103001 (2015) - Published 10 March, 2015

Association of Atoms into Universal Dimers Using an Oscillating Magnetic Field

Christian Langmack, D. Hudson Smith, and Eric Braaten

Phys. Rev. Lett. 114, 103002 (2015) - Published 11 March, 2015

Two-State Wave Packet for Strong Field-Free Molecular Orientation

Sebastian Trippel, Terry Mullins, Nele L. M. Müller, Jens S. Kienitz, Rosario González-Férez, and Jochen Küpper

Phys. Rev. Lett. 114, 103003 (2015) - Published 10 March, 2015

Signatures of Molecular Orbital Structure in Lateral Electron Momentum Distributions from Strong-Field Ionization

Ingo Petersen, Jost Henkel, and Manfred Lein

Phys. Rev. Lett. 114, 103004 (2015) - Published 13 March, 2015

Molecular Orbital Imaging of the Acetone S2 Excited State Using Time-Resolved (e, 2e) Electron Momentum Spectroscopy

Masakazu Yamazaki, Keiya Oishi, Hiroyuki Nakazawa, Chaoyuan Zhu, and Masahiko Takahashi

Phys. Rev. Lett. 114, 103005 (2015) - Published 13 March, 2015

A twist on an established imaging method has detected a molecule’s short-lived excited state, raising the possibility of movies of chemical reactions.

Conditional Ramsey Spectroscopy with Synchronized Atoms

Minghui Xu and M. J. Holland

Phys. Rev. Lett. 114, 103601 (2015) - Published 11 March, 2015

Nonclassicality Phase-Space Functions: More Insight with Fewer Detectors

Alfredo Luis, Jan Sperling, and Werner Vogel

Phys. Rev. Lett. 114, 103602 (2015) - Published 11 March, 2015

Nonlinear Dynamics, Fluid Dynamics, Classical Optics, etc.

Hard-X-Ray Directional Dark-Field Imaging Using the Speckle Scanning Technique

Hongchang Wang, Yogesh Kashyap, and Kawal Sawhney

Phys. Rev. Lett. 114, 103901 (2015) - Published 11 March, 2015

Gauge Field Optics with Anisotropic Media

Fu Liu and Jensen Li

Phys. Rev. Lett. 114, 103902 (2015) - Published 10 March, 2015

Radially Polarized Light for Detection and Nanolocalization of Dielectric Particles on a Planar Substrate

S. Roy, K. Ushakova, Q. van den Berg, S. F. Pereira, and H. P. Urbach

Phys. Rev. Lett. 114, 103903 (2015) - Published 12 March, 2015

An optical microscopy scheme uses interference effects to reveal nanoscale defects on the surface of materials.

Theory of the Antibubble Collapse

Denis Nikolaevich Sob’yanin

Phys. Rev. Lett. 114, 104501 (2015) - Published 10 March, 2015

Plasma and Beam Physics

Observation of a Multimode Plasma Response and its Relationship to Density Pumpout and Edge-Localized Mode Suppression

C. Paz-Soldan, R. Nazikian, S. R. Haskey, N. C. Logan, E. J. Strait, N. M. Ferraro, J. M. Hanson, J. D. King, M. J. Lanctot, R. A. Moyer, M. Okabayashi, J-K. Park, M. W. Shafer, and B. J. Tobias

Phys. Rev. Lett. 114, 105001 (2015) - Published 12 March, 2015

Pedestal Bifurcation and Resonant Field Penetration at the Threshold of Edge-Localized Mode Suppression in the DIII-D Tokamak

R. Nazikian, C. Paz-Soldan, J. D. Callen, J. S. deGrassie, D. Eldon, T. E. Evans, N. M. Ferraro, B. A. Grierson, R. J. Groebner, S. R. Haskey, C. C. Hegna, J. D. King, N. C. Logan, G. R. McKee, R. A. Moyer, M. Okabayashi, D. M. Orlov, T. H. Osborne, J-K. Park, T. L. Rhodes, M. W. Shafer, P. B. Snyder, W. M. Solomon, E. J. Strait, and M. R. Wade

Phys. Rev. Lett. 114, 105002 (2015) - Published 12 March, 2015

Enhancement of Maximum Attainable Ion Energy in the Radiation Pressure Acceleration Regime Using a Guiding Structure

S. S. Bulanov, E. Esarey, C. B. Schroeder, S. V. Bulanov, T. Zh. Esirkepov, M. Kando, F. Pegoraro, and W. P. Leemans

Phys. Rev. Lett. 114, 105003 (2015) - Published 13 March, 2015

Condensed Matter: Structure, etc.

Softening of Roton and Phonon Modes in a Bose-Einstein Condensate with Spin-Orbit Coupling

Si-Cong Ji, Long Zhang, Xiao-Tian Xu, Zhan Wu, Youjin Deng, Shuai Chen, and Jian-Wei Pan

Phys. Rev. Lett. 114, 105301 (2015) - Published 9 March, 2015

Anisotropic Phases of Superfluid He3 in Compressed Aerogel

J. I. A. Li, A. M. Zimmerman, J. Pollanen, C. A. Collett, and W. P. Halperin

Phys. Rev. Lett. 114, 105302 (2015) - Published 10 March, 2015

Anomalous Quantum Glass of Bosons in a Random Potential in Two Dimensions

Yancheng Wang, Wenan Guo, and Anders W. Sandvik

Phys. Rev. Lett. 114, 105303 (2015) - Published 11 March, 2015

Spin-Dependent Acoustic Response in the Nonunitary A1 and A2 Phases of Superfluid He3 under High Magnetic Fields

S. Murakawa, A. Yamaguchi, M. Arai, M. Wasai, Y. Aoki, H. Ishimoto, R. Nomura, Y. Okuda, Y. Nagato, S. Higashitani, and K. Nagai

Phys. Rev. Lett. 114, 105304 (2015) - Published 10 March, 2015

Molecular to Atomic Phase Transition in Hydrogen under High Pressure

Jeremy McMinis, Raymond C. Clay, III, Donghwa Lee, and Miguel A. Morales

Phys. Rev. Lett. 114, 105305 (2015) - Published 13 March, 2015

Morphological Instability of Grain Boundaries in Two-Phase Coherent Solids

Pierre-Antoine Geslin, Yechuan Xu, and Alain Karma

Phys. Rev. Lett. 114, 105501 (2015) - Published 9 March, 2015

Competing Kinetics and He Bubble Morphology in W

Luis Sandoval, Danny Perez, Blas P. Uberuaga, and Arthur F. Voter

Phys. Rev. Lett. 114, 105502 (2015) - Published 11 March, 2015

Big Data of Materials Science: Critical Role of the Descriptor

Luca M. Ghiringhelli, Jan Vybiral, Sergey V. Levchenko, Claudia Draxl, and Matthias Scheffler

Phys. Rev. Lett. 114, 105503 (2015) - Published 10 March, 2015

From Mild to Wild Fluctuations in Crystal Plasticity

J. Weiss, W. Ben Rhouma, T. Richeton, S. Dechanel, F. Louchet, and L. Truskinovsky

Phys. Rev. Lett. 114, 105504 (2015) - Published 11 March, 2015

Distinct Metallization and Atomization Transitions in Dense Liquid Hydrogen

Guglielmo Mazzola and Sandro Sorella

Phys. Rev. Lett. 114, 105701 (2015) - Published 11 March, 2015

Local Observation of the Site Occupancy of Mn in a MnFePSi Compound

M. J. Neish, M. P. Oxley, J. Guo, B. C. Sales, L. J. Allen, and M. F. Chisholm

Phys. Rev. Lett. 114, 106101 (2015) - Published 11 March, 2015

Condensed Matter: Electronic Properties, etc.

Universality Class of the Mott Transition

M. Abdel-Jawad, R. Kato, I. Watanabe, N. Tajima, and Y. Ishii

Phys. Rev. Lett. 114, 106401 (2015) - Published 11 March, 2015

Strong Localization of Majorana End States in Chains of Magnetic Adatoms

Yang Peng, Falko Pientka, Leonid I. Glazman, and Felix von Oppen

Phys. Rev. Lett. 114, 106801 (2015) - Published 9 March, 2015

Signatures of Fractional Exclusion Statistics in the Spectroscopy of Quantum Hall Droplets

Nigel R. Cooper and Steven H. Simon

Phys. Rev. Lett. 114, 106802 (2015) - Published 9 March, 2015

Fractional statistics of quantum particles could be measured in rotating droplets of atomic gasses by simply counting spectral lines, according to this theoretical proposal.

Chiral Projected Entangled-Pair State with Topological Order

Shuo Yang, Thorsten B. Wahl, Hong-Hao Tu, Norbert Schuch, and J. Ignacio Cirac

Phys. Rev. Lett. 114, 106803 (2015) - Published 10 March, 2015

Approaching Truly Freestanding Graphene: The Structure of Hydrogen-Intercalated Graphene on 6HSiC(0001)

J. Sforzini, L. Nemec, T. Denig, B. Stadtmüller, T.-L. Lee, C. Kumpf, S. Soubatch, U. Starke, P. Rinke, V. Blum, F. C. Bocquet, and F. S. Tautz

Phys. Rev. Lett. 114, 106804 (2015) - Published 10 March, 2015

X-ray measurements of its vertical absorption height indicate that hydrogen-intercalated graphene on silicon carbide is effectively free-standing.

Novel Relativistic Plasma Excitations in a Gated Two-Dimensional Electron System

V. M. Muravev, P. A. Gusikhin, I. V. Andreev, and I. V. Kukushkin

Phys. Rev. Lett. 114, 106805 (2015) - Published 10 March, 2015

Topological Index for Periodically Driven Time-Reversal Invariant 2D Systems

David Carpentier, Pierre Delplace, Michel Fruchart, and Krzysztof Gawędzki

Phys. Rev. Lett. 114, 106806 (2015) - Published 10 March, 2015

Controlling the Spin of Co Atoms on Pt(111) by Hydrogen Adsorption

Q. Dubout, F. Donati, C. Wäckerlin, F. Calleja, M. Etzkorn, A. Lehnert, L. Claude, P. Gambardella, and H. Brune

Phys. Rev. Lett. 114, 106807 (2015) - Published 11 March, 2015

Cobalt atoms exposed to hydrogen gas have higher spins, an effect that could be used to build magnetic nanostructures and lattices.

Phase Diagram of Cuprate High-Temperature Superconductors Described by a Field Theory Based on Anharmonic Oxygen Degrees of Freedom

Jenhao Hsiao, Glenn J. Martyna, and Dennis M. Newns

Phys. Rev. Lett. 114, 107001 (2015) - Published 9 March, 2015

Glide-Plane Symmetry and Superconducting Gap Structure of Iron-Based Superconductors

Y. Wang, T. Berlijn, P. J. Hirschfeld, D. J. Scalapino, and T. A. Maier

Phys. Rev. Lett. 114, 107002 (2015) - Published 10 March, 2015

Detection of a Superconducting Phase in a Two-Atom Layer of Hexagonal Ga Film Grown on Semiconducting GaN(0001)

Hui-Min Zhang, Yi Sun, Wei Li, Jun-Ping Peng, Can-Li Song, Ying Xing, Qinghua Zhang, Jiaqi Guan, Zhi Li, Yanfei Zhao, Shuaihua Ji, Lili Wang, Ke He, Xi Chen, Lin Gu, Langsheng Ling, Mingliang Tian, Lian Li, X. C. Xie, Jianping Liu, Hui Yang, Qi-Kun Xue, Jian Wang, and Xucun Ma

Phys. Rev. Lett. 114, 107003 (2015) - Published 10 March, 2015

Two-dimensional Gallium grown on an insulating GaN substrate has a superconductor transition temperature of 5.4 K, five times larger than that of a bulk Ga sample.

Tunable Giant Spin Hall Conductivities in a Strong Spin-Orbit Semimetal: Bi1xSbx

Cüneyt Şahin and Michael E. Flatté

Phys. Rev. Lett. 114, 107201 (2015) - Published 13 March, 2015

Electric-Field-Induced Modification of the Magnon Energy, Exchange Interaction, and Curie Temperature of Transition-Metal Thin Films

M. Oba, K. Nakamura, T. Akiyama, T. Ito, M. Weinert, and A. J. Freeman

Phys. Rev. Lett. 114, 107202 (2015) - Published 13 March, 2015

Three-Particle Complexes in Two-Dimensional Semiconductors

Bogdan Ganchev, Neil Drummond, Igor Aleiner, and Vladimir Fal’ko

Phys. Rev. Lett. 114, 107401 (2015) - Published 11 March, 2015

Ultrafast Terahertz Probes of Interacting Dark Excitons in Chirality-Specific Semiconducting Single-Walled Carbon Nanotubes

Liang Luo, Ioannis Chatzakis, Aaron Patz, and Jigang Wang

Phys. Rev. Lett. 114, 107402 (2015) - Published 13 March, 2015

Exciton Mapping at Subwavelength Scales in Two-Dimensional Materials

Luiz H. G. Tizei, Yung-Chang Lin, Masaki Mukai, Hidetaka Sawada, Ang-Yu Lu, Lain-Jong Li, Koji Kimoto, and Kazu Suenaga

Phys. Rev. Lett. 114, 107601 (2015) - Published 13 March, 2015

Polymer, Soft Matter, Biological, and Interdisciplinary Physics

Identifying Structural Flow Defects in Disordered Solids Using Machine-Learning Methods

E. D. Cubuk, S. S. Schoenholz, J. M. Rieser, B. D. Malone, J. Rottler, D. J. Durian, E. Kaxiras, and A. J. Liu

Phys. Rev. Lett. 114, 108001 (2015) - Published 9 March, 2015

Calcium Alternans is Due to an Order-Disorder Phase Transition in Cardiac Cells

Enrique Alvarez-Lacalle, Blas Echebarria, Jon Spalding, and Yohannes Shiferaw

Phys. Rev. Lett. 114, 108101 (2015) - Published 12 March, 2015

Emergence of Upstream Swimming via a Hydrodynamic Transition

Chih-kuan Tung, Florencia Ardon, Anubhab Roy, Donald L. Koch, Susan S. Suarez, and Mingming Wu

Phys. Rev. Lett. 114, 108102 (2015) - Published 13 March, 2015

Interactions and Stress Relaxation in Monolayers of Soft Nanoparticles at Fluid-Fluid Interfaces

Valeria Garbin, Ian Jenkins, Talid Sinno, John C. Crocker, and Kathleen J. Stebe

Phys. Rev. Lett. 114, 108301 (2015) - Published 9 March, 2015

The interactions between soft deformable colloids are measured for ligand coated nanoparticles trapped at an oil-water interface. The ligand layer is seen to dominate the interparticle interactions and the stress relaxation of the system.

Friction Boosted by Equilibrium Misalignment of Incommensurate Two-Dimensional Colloid Monolayers

Davide Mandelli, Andrea Vanossi, Nicola Manini, and Erio Tosatti

Phys. Rev. Lett. 114, 108302 (2015) - Published 10 March, 2015

Burstiness and Aging in Social Temporal Networks

Antoine Moinet, Michele Starnini, and Romualdo Pastor-Satorras

Phys. Rev. Lett. 114, 108701 (2015) - Published 13 March, 2015

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