Disclination Loops as Fundamental Excitations in Three-Dimensional Active Matter

1. Topological structure and dynamics of three-dimensional active nematics
Authors: G. Duclos, R. Adkins, D. Banerjee, M. S. E. Peterson, M. Varghese, I. Kolvin, A. Baskaran, R. A. Pelcovits, T. R. Powers, A. Baskaran, F. Toschi, M. F. Hagan, S. J. Streichan, V. Vitelli, D. A. Beller, and Z. Dogic
Science 367, 1120 (2020); DOI: 10.1126/science.aaz4547

2. Three-Dimensional Active Defect Loops
Authors: Jack Binysh, Žiga Kos, Simon Čopar, Miha Ravnik, and Gareth P. Alexander
Phys. Rev. Lett. 124, 088001 (2020); DOI: 10.1103/PhysRevLett.124.088001

Recommended with a commentary by Jonathan V. Selinger, Kent State University
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DOI: 10.36471/JCCM_April_2020_02

Fragility in time-reversal protected topological phases

Time’s Arrow and the Fragility of Topological Phases
Authors: Max McGinley and Nigel R. Cooper

Recommended with a commentary by Michael Zaletel, University of California, Berkeley
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DOI: 10.36471/JCCM_April_2020_03

Arrest in Coarsening in Biological Liquid-Liquid Phase Separation – or – ‘It ain’t necessarily so …’

1. Hydrodynamically Interrupted Droplet Growth in Scalar Active Matter
Authors: Rajesh Singh and M. E. Cates
Phys. Rev. Lett. 123, 148005 (2019), DOI:10.1103/PhysRevLett.123.148005

2. Physics of active emulsions
Authors: Christoph A Weber, David Zwicker, Frank Jülicher, and Chiu Fan Lee
Rep. Prog. Phys. 82, 064601 (2019), DOI:10.1088/1361-6633/ab052b

Recommended with a commentary by Tom McLeish, University of York
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DOI: 10.36471/JCCM_March_2020_01

Symmetry indicators for topological superconductors

1. Refined symmetry indicators for topological superconductors in all space groups
Authors: S. Ono, H. C. Po, and H. Watanabe

2. Symmetry-based indicators for topological Bogoliubov-de Gennes Hamiltonians
Authors: M. Geier, P. W. Brouwer and L. Trifunovic

Recommended with a commentary by Raquel Queiroz and Ady Stern, Weizmann Institute of Science
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DOI: 10.36471/JCCM_March_2020_02

Compositional Levy Flights

Selection-like biases emerge in population models with recurrent jackpot events
Authors: Oskar Hallatschek
Genetics 210, 1053 (2018); DOI: 10.1534/genetics.118.301516

Recommended with a commentary by Kirill S. Korolev, Boston University
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DOI: 10.36471/JCCM_February_2020_01

Topological Superconductivity in a Phase-Controlled Quasi-one-dimensional planar Josephson-Junction

1. Evidence of topological superconductivity in planar Josephson junctions
Authors: Antonio Fornieri, Alexander M. Whiticar, F. Setiawan, Elías Portolés, Asbjørn C. C. Drachmann, Anna Keselman, Sergei Gronin, Candice Thomas, Tian Wang, Ray Kallaher, Geoffrey C. Gardner, Erez Berg, Michael J. Manfra, Ady Stern, Charles M. Marcus, and Fabrizio Nichele
Nature 569, 89-92 (2019); DOI: 10.1038/s41586-019-1068-8

2. Topological Superconductivity in a Phase-Controlled Josephson Junction
Authors: Hechen Ren, Falko Pientka, Sean Hart, Andrew T. Pierce, Michael Kosowsky, Lukas Lunczer, Raimund Schlereth, Benedikt Scharf, Ewelina M. Hankiewicz, Laurens W. Molenkamp, Bertrand I. Halperin, and Amir Yacoby
Nature 569, 93-98 (2019); DOI: 10.1038/s41586-019-1148-9

Recommended with a commentary by Yuval Oreg, Weizmann Institute of Science
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DOI: 10.36471/JCCM_February_2020_02

Lightly doped SrTiO3: A challenge to conventional solid state theory

1. Heavy non-degenerate electrons in doped strontium titanate
Authors: Clément Collignon, Phillipe Bourges, Benoît Fauqué, and Kamran Behnia

2. Scalable T2 resistivity in a small single-component Fermi surface
Authors: Xiao Lin, Benoît Fauqué, and Kamran Behnia
Science 349, 945 (2015); DOI: 10.1126/science.aaa8655

Recommended with a commentary by Peter Wölfle, Karlsruhe Institute of Technology
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DOI: 10.36471/JCCM_February_2020_03

Frustrated packing of trees

Entropic Effects in Cell Lineage Tree Packings
Authors: Jasmin Imran Alsous, Paul Villoutreix, Norbert Stoop, Stanislav Y. Shvartsman, and Jörn Dunkel
Nature Physics, 14, 1016 (2018), DOI: 10.1038/s41567-018-0202-0

Recommended with a commentary by Alexander Y. Grosberg, New York University
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DOI: 10.36471/JCCM_January_2020_01

Conformal bootstrap and the λ-point specific heat experimental anomaly

Carving out OPE space and precise O(2) model critical exponents
Authors: Shai M. Chester, Walter Landry, Junyu Liu, David Poland, David Simmons-Duffin, Ning Su, and Alessandro Vichi

Recommended with a commentary by Slava Rychkov, IHES (Bures-sur-Yvette)
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DOI: 10.36471/JCCM_January_2020_02

Fermi arcs tie the knot

1. Cyclotron orbit knot and tunable-field quantum Hall effect
Authors: Yi Zhang
Phys. Rev. Research 1, 022005(R) (2019); DOI: 10.1103/PhysRevResearch.1.022005

2. Quantum Hall effect based on Weyl orbits in Cd3As2
Authors: Cheng Zhang, Yi Zhang, Xiang Yuan, Shiheng Lu, Jinglei Zhang, Awadhesh Narayan, Yanwen Liu, Huiqin Zhang, Zhuoliang Ni, Ran Liu, Eun Sang Choi, Alexey Suslov, Stefano Sanvito, Li Pi, Hai-Zhou Lu, Andrew C. Potter, and Faxian Xiu
Nature, Vol 565, pg 331 (2019); DOI: 10.1038/s41586-018-0798-3

Recommended with a commentary by Ashvin Vishwanath, Harvard University
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DOI: 10.36471/JCCM_January_2020_03

Nonintegrable mechanics

Odd elasticity
Authors: Colin Scheibner, Anton Souslov, Debarghya Banerjee, Piotr Surowka, William T. M. Irvine and Vincenzo Vitelli

Recommended with a commentary by Aparna Baskaran, Brandeis University
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DOI: 10.36471/JCCM_December_2019_01

Electronic structure, magnetism, and superconductivity in infinite-layer nickelates

1. Electronic structure of the parent compound of superconducting infinite-layer nickelates
Authors: M. Hepting, D. Li, C. J. Jia, H. Lu, E. Paris, Y. Tseng, X. Feng, M. Osada, E. Been, Y. Hikita, Y.-D. Chuang, Z. Hussain, K. J. Zhou, A. Nag, M. Garcia-Fernandez, M. Rossi, H. Y. Huang, D. J. Huang, Z. X. Shen, T. Schmitt, H. Y. Hwang, B. Moritz, J. Zaanen, T. P. Devereaux, and W. S. Lee
arXiv:1909.02678, to be published in Nature Materials

2. Model construction and a possibility of cuprate-like pairing in a new d9 nickelate superconductor (Nd,Sr)NiO2
Authors: H. Sakakibara, H. Usui, K. Suzuki, T. Kotani, H. Aoki, and K. Kuroki

Recommended with a commentary by Atsushi Fujimori, Waseda University
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DOI: 10.36471/JCCM_December_2019_02

Fluctuation-induced odd-frequency pairing

Odd-frequency spin-triplet instability in disordered electron liquid
Authors: Vladimir A. Zyuzin and Alexander M. Finkel’stein

Recommended with a commentary by Jörg Schmalian, Karlsruhe Institute of Technology
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DOI: 10.36471/JCCM_December_2019_03

Is the many body localization transition accessible to computation?

1. Quantum chaos challenges many-body localization
Authors: J. Šuntajs, J. Bonča, T. Prosen, and L. Vidmar

2. Distinguishing localization from chaos: challenges in finite-size systems
Authors: D. A. Abanin, J. H. Bardarson, G. De Tomasi, S. Gopalakrishnan, V. Khemani, S. A. Parameswaran, F. Pollmann, A. C. Potter, M. Serbyn, and R. Vasseur

3. Can we study the many-body localisation transition?
Authors: Rajat K. Panda, Antonello Scardicchio, Maximilian Schulz, Scott R. Taylor, and Marko Žnidarič

Recommended with a commentary by Ehud Altman, UC Berkeley
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DOI: 10.36471/JCCM_November_2019_01

The elements of texture

1. Umbilic Lines in Orientational Order
Authors: Thomas Machon and Gareth P. Alexander
Phys. Rev. X 6, 011033 (2016); DOI: 10.1103/PhysRevX.6.011033

2. Interpretation of saddle-splay and the Oseen-Frank free energy in liquid crystals
Author: Jonathan V. Selinger
Liquid Cryst. Rev. 6, 129-142 (2019); arXiv:1901.06306

3. Uniform distortions and generalized elasticity of liquid crystals
Author: Epifanio G. Virga
Phys. Rev. E 100, 052701 (2019); arXiv:1908.09872

Recommended with a commentary by Gregory M. Grason, UMass Amherst
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DOI: 10.36471/JCCM_November_2019_02

Understanding Rigidity in Colloidal Gels

Correlated rigidity percolation and colloidal gels
Authors: Shang Zhang, Leyou Zhang, Mehdi Bouzid, D. Zeb Rocklin, Emanuela Del Gado, and Xiaoming Mao
Phys. Rev. Lett. 123, 33 (2019)

Recommended with a commentary by Bulbul Chakraborty, Brandeis University
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DOI: 10.36471/JCCM_October_2019_01

A Big Quantum Computer

Quantum supremacy using a programmable superconducting processor
Authors: Frank Arute, Kunal Arya, … (73 more authors) … Hartmut Neven, and John Martinis
Nature 574, 505–510 (2019)

Recommended with a commentary by David DiVincenzo, Forschungszentrum Jülich
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DOI: 10.36471/JCCM_October_2019_02

Rational Design of Magnetic Topological Insulators

1. Magnetic-field-induced quantized anomalous Hall effect in intrinsic magnetic topological insulator MnBi2Te4
Authors: Yujun Deng, Yijun Yu, Meng Zhu Shi, Jing Wang, Xian Hui Chen and Yuanbo Zhang

2. Quantum phase transition from axion insulator to Chern insulator in MnBi2Te4
Authors: Chang Liu, Yongchao Wang, Hao Li, Yang Wu, Yaoxin Li, Jiaheng Li, Ke He, Yong Xu, Jinsong Zhang, and Yayu Wang

3. Quantum anomalous Hall effect driven by magnetic proximity coupling in all-telluride based heterostructure
Authors: Ryota Watanabe, Ryutaro Yoshimi, Minoru Kawamura, Masataka Mogi, Atsushi Tsukazaki, Xiuzhen Yu, Kiyomi Nakajima, Kei S Takahashi, Masashi Kawasaki, and Yoshinori Tokura

Recommended with a commentary by Liang Fu, MIT
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DOI: 10.36471/JCCM_October_2019_03

Understanding Entropy

Gibbs and Boltzmann Entropy in Classical and Quantum Mechanics
Authors: Sheldon Goldstein, Joel L. Lebowitz, Roderich Tumulka, and Nino Zanghi

Recommended with a commentary by Deepak Dhar, Indian Institute of Science Education and Research, Pune
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DOI: 10.36471/JCCM_September_2019_01

Hyperuniformity in jammed packings

1. Two Diverging Length Scales in the Structure of Jammed Packings
Authors: D. Hexner, A. J. Liu, and S. R. Nagel
Phys. Rev. Lett 121, 115501 (2018)

2. Can a Large Packing be Assembled from Smaller Ones?
Authors: D. Hexner, P. Urbani, and F. Zamponi
Phys. Rev. Lett. 123, 068003 (2019)

Recommended with a commentary by Haim Diamant, Tel Aviv University
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DOI: 10.36471/JCCM_September_2019_02