Collective cell motion in biological tissues: A novel form of glassy dynamics?

Energy barriers and cell migration in densely packed tissues
Authors: Dapeng Bi, J. H. Lopez, J. M. Schwarz, M. Lisa Manning
Soft Matter, 2014,10, 1885-1890

Recommended with a commentary by L. Berthier, CNRS/Université Montpellier 2, France
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Mott versus Slater: Nature of antiferromagnetism in the Jeff=1/2 insulator Sr2IrO4

1. Theoretical study of insulating mechanism in multi-orbital Hubbard models with a large spin-orbit coupling: Is Sr2IrO4 a Slater insulator or a Mott insulator?
Authors: Hiroshi Watanaebe, Tomonori Shirakawa, Seiji Yunoki

2. Bulk Nature of Layered Perovskite Iridates beyond the Mott Scenario : An Approach from Bulk Sensitive Photoemission Study
Authors: A. Yamasaki, H. Fujiwara, A. Higashiya, A. Irizawa, O. Kirilmaz, F. Pfaff, P. Scheiderer, J. Gabel, M. Sing, T. Muro, M. Yabashi, K. Tamasaku, H. Sato, H. Namatame, M. Taniguchi, A. Hloskovskyy, H. Yoshida, H. Okabe, M. Isobe, J. Akimitsu, W. Drube, R. Claessen, T. Ishikawa, S. Imada, A. Sekiyama, S. Suga

Recommended with a commentary by Atsushi Fujimori, University of Tokyo
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Mott Physics, Mixed Valence and Oxygen valence Changes in the Modern Li-ion Batteries

High Performance Li2Ru1–yMnyO3 (0.2 ≤ y ≤ 0.8) Cathode Materials for Rechargeable Lithium-Ion Batteries: Their Understanding
Authors: M. Sathiya, K. Ramesha, G. Rousse, D. Foix, D. Gonbeau, A. S. Prakash, M. L. Doublet, K. Hemalatha, and J.-M. Tarascon
Chem. Mater. 25, 1121 (2013)

Recommended with a commentary by Chandra Varma, University of California, Riverside
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Geometric frustration in twisted strips

Helicoids, Wrinkles, and Loops in Twisted Ribbons
Authors: J. Chopin and A. Kudrolli
Phys. Rev. Lett. 111, 174302 (2013)

Recommended with a commentary by Chris Santangelo, UMass Amherst
|View Commentary|


Quantum Entanglement sheds new light on an old problem

Chiral Symmetry Breaking, Deconfinement and Entanglement Monotonicity
Authors: Tarun Grover

Recommended with a commentary by Ashvin Vishwanath, UC Berkeley
|View Commentary|


Hydrodynamic long-time tails after a quantum quench

Hydrodynamic long-time tails after a quantum quench
Authors: Jonathan Lux, Jan Müller, Aditi Mitra, and Achim Rosch

Recommended with a commentary by Peter Wölfle, Karlsruhe Institute of Technology, Germany
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Single electrons ride the Fermi sea

Minimal-excitation states for electron quantum optics using levitons
Authors: J. Dubois, T. Jullien, F. Portier, P. Roche, A. Cavanna, Y. Jin, W. Wegscheider,
P. Roulleau and D. C. Glattli
Nature 502, 659 (2013)

Recommended with a commentary by Carlo Beenakker, Leiden University
|View Commentary|


Cavity Opto-mechanics

1. Observation of Radiation Pressure Shot Noise on a Macroscopic Object
Authors: T. P. Purdy, R. W. Peterson and C. A. Regal
Science 339, 801 (2013)

2. Reversible and efficient conversion between microwave and optical light
Authors: R. W. Andrews, R. W. Peterson, T. P. Purdy, K. Cicak, R. W.Simmonds, C. A. Regal and K. W. Lehnert

Recommended with a commentary by Steven M. Girvin, Yale University
|View Commentary|


Effect of Shear-thinning on Swimming Micro-Organisms

1. Waving transport and propulsion in a generalized Newtonian fluid
Authors: J. Rodrigo Vélez-Cordero and Eric Lauga
J. Non-Newton. Fluid 199,37 (2013)

2. Physics of rheologically enhanced propulsion: Different strokes in generalized Stokes
Authors: Thomas D. Montenegro-Johnson, David J. Smith, and Daniel Loghin
Phys. Fluids 25,081903 (2013)

Recommended with a commentary by Thomas R. Powers, Brown University
|View Commentary|


Dynamics of currents carried by the proximity effect in SNS-systems

1. Dissipation and Supercurrent Fluctuations in a Diffusive Normal-Metal-Superconductor Ring
Authors: B. Dassonneville, M. Ferrier, S. Guéron, and H. Bouchiat
Phys. Rev. Lett. 110, 217001 (2013)

2. Phase dependent Andreev spectrum in a diffusive SNS junction: Static and dynamic current response
Authors: M. Ferrier, B. Dassonneville, S. Guéron, and H. Bouchiat
Phys. Rev. B 88, 174505 (2013)

Recommended with a commentary by Teun Klapwijk, Kavli Institute of Nanoscience, Delft University of Technology
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Graphene analogues in bulk: the prediction and observation of 3D Dirac semimetals


1. Observation of a topological 3D Dirac semimetal phase in high-mobility Cd3As2 and related materials.
Authors: M. Neupane, SuYang Xu, R. Sankar, N. Alidoust, G. Bian, Chang Liu, I. Belopolski, T.-R. Chang, H.-T. Jeng, H. Lin, A. Bansil, Fangcheng Chou, M. Z. Hasan

2. Experimental Realization of a Three-Dimensional Dirac Semimetal.
Authors: Sergey Borisenko, Quinn Gibson, Danil Evtushinsky, Volodymyr Zabolotnyy, Bernd Buechner, Robert J. Cava

3. Discovery of a Three-dimensional Topological Dirac Semimetal, Na3Bi
Authors: Z. K. Liu, B. Zhou, Z. J. Wang, H. M. Weng, D. Prabhakaran, S. -K. Mo, Y. Zhang, Z. X. Shen, Z. Fang, X. Dai, Z. Hussain, Y. L. Chen


4. Dirac Semimetal in Three Dimensions
Authors: S. M. Young, S. Zaheer, J. C. Y. Teo, C. L. Kane, E. J. Mele, and A. M. Rappe
Phys. Rev. Lett. 108, 140405 (2012)

5. Dirac semimetal and topological phase transitions in A3Bi (A=Na, K, Rb)
Authors: Zhijun Wang, Yan Sun, Xingqiu Chen, Cesare Franchini, Gang Xu, Hongming Weng, Xi Dai, Zhong Fang
Phys. Rev. B 85, 195320 (2012)

6. Three-dimensional Dirac semimetal and quantum transport in Cd3As2
Authors: Zhijun Wang, Hongming Weng, Quansheng Wu, Xi Dai, and Zhong Fang
Phys. Rev. B 88, 125427 (2013)

Recommended with a commentary by Joel E. Moore, UC Berkeley and LBNL
|View Commentary|


Zooming defects in bio-nematics – A theoretical analysis

Defect Annihilation and proliferation in active nematics.
Authors : Giomi, L., Bowick, M. J., Ma, X., Marchetti, M. C..
Phys. Rev. Lett. 110, 228101 (2013)

Recommended with a commentary by Aparna Baskaran, Brandeis University |View Commentary|


Settling the Chicken and Egg question in iron based superconductors

1. Divergent nematic susceptibility in an iron arsenide superconductor.
Authors: J.H. Chu, H.-H. Kuo, J. G. Analytis, I. R. Fisher
Science 337, 710 (2012), arXiv:1203.3239

2. Measurement of the elastoresistivity coefficients of the underdoped iron-arsenide Ba(Fe0.975Co0.025)2As2.
Authors: H.-H. Kuo, M. C. Shapiro, S. C. Riggs, I. R. Fisher
Phys. Rev. B 88, 085113 (2013), arXiv:1306.4377

3. Nematic susceptibility of hole- and electron-doped BaFe2As2 iron-based superconductors.
Authors: A. E. Böhmer, P. Burger, F. Hardy, T. Wolf, P. Schweiss, R. Fromknecht, M. Reinecker, W. Schranz, C. Meingast

Recommended with a Commentary by Jörg Schmalian, Karlsruhe Institute of Technology
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Fractionalized two-dimensional states on surfaces of three dimensional topological insulators

1. A Time-Reversal Invariant Topological Phase at the Surface of a 3D
Topological Insulator
Authors: Parsa Bonderson, Chetan Nayak, Xiao-Liang Qi
J. Stat. Mech. (2013) P09016

2. Gapped Symmetry Preserving Surface-State for the Electron Topological
Authors: Chong Wang, Andrew C. Potter, T. Senthil
Phys. Rev. B 88, 115137 (2013), arXiv:1306.3223

3. Symmetry Enforced Non-Abelian Topological Order at the Surface of a
Topological Insulator
Authors: Xie Chen, Lukasz Fidkowski, Ashvin Vishwanath

4. A symmetry-respecting topologically-ordered surface phase of 3d electron
topological insulators
Authors: Max A. Metlitski, C. L. Kane, Matthew P. A. Fisher

Recommended with a commentary by Ady Stern (Weizmann Institute) |View Commentary|


First sighting of a quantum anomalous Hall effect in a magnetically-doped topological insulator

Experimental observation of the quantum anomalous Hall effect in a magnetic topological insulator.
Authors : Cui-Zu Chang, Jinsong Zhang, Xiao Feng, Jie Shen, Zuocheng Zhang, Minghua Guo, Kang Li, Yunbo Ou, Pang Wei, Li-Li Wang, Zhong-Qing Ji, Yang Feng, Shuaihua Ji, Xi Chen, Jinfeng Jia, Xi Dai, Zhong Fang, Shou-Cheng Zhang, Ke He, Yayu Wang, Li Lu, Xu-Cun Ma, Qi-Kun Xue.
Science 340, 167 (2013)

Recommended with a Commentary by Leonid Glazman, Yale University |View Commentary|


Odd Parity Time-Reversal Violating Order in Cold Bosons

Interaction-induced chiral px+ipy superfluid order of bosons in an optical lattice.
Authors : M. Olschlager, T. Kock, G. Wirth, A. Ewerbeck, C. Morais Smith, and A. Hemmerich.
New Journal of Physics, 15 (2013) 083041

Recommended with a Commentary by Tin-Lun Ho, Ohio State University |View Commentary|


Growing a cell wall by driven dislocations

Dislocation-mediate growth of bacterial cell walls.
Authors : Ariel Amir and David R. Nelson.
Proc. Natl. Acad. Sci. 109, 9833-9838 (2012)

Recommended with a commentary by Alex J. Levine, UCLA |View Commentary|


Defects and Design

1.Nematic liquid crystal boojums with handles on colloidal handlebodies.
Authors:Q. Liu, B. Senyuk, M. Tasinkevych and I. I. Smalyukh.
Proc. Nat. Acad. Sci. (2013) 110, no. 23, 9231-9236

Recommended with a commentary by Mark Bowick, Soft Matter Program, Syracuse University |View Commentary|


Observation of Quantum Spin Hall States in InAs/GaSb Bilayers under Broken Time-reversal Symmetry

1.Observation of Quantum Spin Hall States in InAs/GaSb Bilayers under Broken Time-reversal Symmetry.
Authors:Lingjie Du, Ivan Knez, Gerard Sullivan and Rui-Rui Du.

Recommended with a commentary by Patrick Lee, MIT |View Commentary|


Phonon Drag in a layered Transition Metal Compound

1.Quantum oscillations and high carrier mobility in the delafossite PdCoO2.
Authors:Clifford W. Hicks, Alexandra S. Gibbs, Andrew P. Mackenzie, Hiroshi Takatsu, Yoshiteru Maeno, and Edward A. Yelland.
Phys. Rev. Lett. 109, 116401 (2012)

Recommended with a Commentary by Chandra Varma, University of California, Riverside |View Commentary|