Search Results

Anomalous Hall Crystals or Moiré Chern Insulators? Spontaneous versus explicit translational symmetry breaking in graphene pentalayers

1. Theory of fractional quantum anomalous Hall phases in pentalayer rhombohedral graphene moiré structures Authors: Zhihuan Dong, Adarsh S. Patri, and T. Senthil arXiv:2311.03445; DOI: 10.48550/arXiv.2311.03445 2. Fractional quantum anomalous Hall effects in rhombohedral multilayer graphene in the moiréless limit and in Coulomb imprinted superlattice Authors: Boran Zhou, Hui Yang, and Ya-Hui Zhang arXiv:2311.04217; DOI: […]

Zero field fractional Hall states, now in graphene heterostructures

Fractional Quantum Anomalous Hall Effect in a Graphene Moire Superlattice Authors: Zhengguang Lu, Tonghang Han, Yuxuan Yao, Aidan P. Reddy, Jixiang Yang, Junseok Seo, Kenji Watanabe, Takashi Taniguchi, Liang Fu, and Long Ju arXiv:2309.17436; DOI: 10.48550/arXiv.2309.17436 Recommended with a commentary by Ashvin Vishwanath , Harvard University |View Commentary (pdf)| This commentary may be cited as: […]

Sharpening the Conformal Symmetry of the 3D Ising Transition by Fuzzy Sphere Simulations

Uncovering conformal symmetry in the 3D Ising transition: State-operator correspondence from a fuzzy sphere regularization Authors: Wei Zhu, Chao Han, Emilie Huffman, Johannes S. Hofmann, and Yin-Chen He arXiv:2210.13482; DOI: 10.48550/arXiv.2210.13482 Recommended with a commentary by Ashvin Vishwanath, Harvard University |View Commentary (pdf)| This commentary may be cited as: DOI: 10.36471/JCCM_January_2023_02

A New Twist on High-Tc Superconductivity

1. Twisted van der Waals Josephson Junction Based on a High-Tc Superconductor Authors: Jongyun Lee, Wonjun Lee, Gi-Yeop Kim, Yong-Bin Choi, Jinho Park, Seong Jang, Genda Gu, Si-Young Choi, Gil Young Cho, Gil-Ho Lee, and Hu-Jong Lee Nano Lett. 2021, 21, 10469-10477; DOI: 10.1021/acs.nanolett.1c03906 2. Emergent Interfacial Superconductivity between Twisted Cuprate Superconductors Authors: S. Y. […]

Proposals to Realize Topological Superconductivity in Cuprates by Twisting and Stacking

1. High-temperature topological superconductivity in twisted double layer copper oxides Authors: Oguzhan Can, Tarun Tummuru, Ryan P. Day, Ilya Elfimov, Andrea Damascelli, and Marcel Franz Nature Physics 17, 519-524 (2021); DOI: 10.1038/s41567-020-01142-7 arXiv:2012.01412 2. Magic angles and current-induced topology in twisted nodal superconductors Authors: Pavel A. Volkov, Justin H. Wilson, and J. H. Pixley arXiv:2012.07860 […]

A pathway to parafermions

Induced superconductivity in the fractional quantum Hall edge Authors: Önder Gül, Yuval Ronen, Si Young Lee, Hassan Shapourian, Jonathan Zauberman, Young Hee Lee, Kenji Watanabe, Takashi Taniguchi, Ashvin Vishwanath, Amir Yacoby, and Philip Kim arXiv:2009.07836 Recommended with a commentary by Jason Alicea, California Institute of Technology |View Commentary (pdf)| This commentary may be cited as: […]

Stronger-correlated superconductivity in magic-angle twisted trilayer graphene

1. Magic Angle Hierarchy in Twisted Graphene Multilayers Authors: E. Khalaf, A. J. Kruchkov, G. Tarnopolsky, and A. Vishwanath Phys. Rev. B 100, 085109 (2019); DOI: 10.1103/PhysRevB.100.085109 arXiv:1901.10485 2. Tunable Phase Boundaries and Ultra-Strong Coupling Superconductivity in Mirror Symmetric Magic-Angle Trilayer Graphene Authors: JM Park, Y. Cao, K. Watanabe, T. Taniguchi, and P. Jarillo-Herrero arXiv:2012.01434 […]

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 […]

Fractional Quantum Hall from Overlap of Electron-Hole Bands

Fractional Excitonic Insulator Authors: Yichen Hu, Jörn W. F. Venderbos, C. L. Kane Phys. Rev. Lett. 121, 126601 (2018), arXiv:1806.05681 Recommended with a commentary by Ashvin Vishwanath, Harvard University |View Commentary (pdf)|

Electronic bands of twisted graphene layers

1. Origin of Mott Insulating Behavior and Superconductivity in Twisted Bilayer Graphene Authors: Hoi Chun Po, Liujun Zou, Ashvin Vishwanath, and T. Senthil arXiv:1803.09742, Phys. Rev. X 8, 031089 (2018) 2. Symmetry, Maximally Localized Wannier States, and a Low-Energy Model for Twisted Bilayer Graphene Narrow Bands Authors: Jian Kang and Oskar Vafek arXiv:1805.04918, Phys. Rev. […]

From local observables in a single eigenstate to parent Hamiltonians

Determining a local Hamiltonian from a single eigenstate Authors: Xiao-Liang Qi and Daniel Ranard arXiv:1712.01850 Recommended with a commentary by Ashvin Vishwanath, Harvard University. |View Commentary| DOI: 10.36471/JCCM_January_2018_02

Closing the Gap in Band Theory

Filling-Enforced Gaplessness in Band Structures of the 230 Space Groups Authors: Haruki Watanabe, Hoi Chun Po, Michael P. Zaletel, and Ashvin Vishwanath Phys. Rev. Lett. 117, 096404 (2016) Recommended with a commentary by Liang Fu, Massachusetts Institute of Technology. |View Commentary| DOI: 10.36471/JCCM_August_2017_01

A Dirac Spin Liquid May Fill the Gap in the Kagome Antiferromagnet

1. Signatures of Dirac cones in a DMRG study of the Kagome Heisenberg model. Authors: Yin- Chen He, Michael P. Zaletel, Masaki Oshikawa, and Frank Pollmann. arXiv:1611.06238 2. Competing Spin Liquid Phases in the S=1/2 Heisenberg Model on the Kagome Lattice. Authors: Shenghan Jiang, Panjin Kim, Jung Hoon Han, Ying Ran. arXiv:1610.02024 Recommended with a […]

Emergent technology based on Fermi-arcs?

1. Transport evidence for Fermi-arc-mediated chirality transfer in the Dirac semimetal Cd3As2. Author: P. J. W. Moll, N. L. Nair, T. Helm, A. C. Potter, I. Kimchi, A. Vishwanath, J. G. Analytis. Nature 535, 266 (2016) 2. Current at a Distance and Resonant Transparency in Weyl Semimetals. Authors: Y. Baum, E. Berg, S. A. Parameswaran, […]

Measuring Entanglement by Swapping Quantum Twins

Measuring entanglement entropy through the interference of quantum many-body twins. Authors: Rajibul Islam, Ruichao Ma, Philipp M. Preiss, M. Eric Tai, Alexander Lukin, Matthew Rispoli, Markus Greiner. arXiv:1509.01160 Recommended with a commentary by Ashvin Vishwanath, UC Berkeley. |View Commentary| DOI: 10.36471/JCCM_January_2016_03

Composite fermions meet Dirac

1.Is the composite fermion a Dirac particle? Authors:Dam Thanh Son. arXiv:1502.03446(2015) 2.Dual Dirac liquid on the surface of the electron topological insulator. Authors:Chong Wang and T. Senthil. arXiv:1505.05141(2015) 3.Particle-vortex duality of 2D Dirac fermion from electric-magnetic duality of 3D topological insulators. Authors:Max A. Metlitski and Ashvin Vishwanath. arXiv:1505.05142(2015) 4.Half-filled Landau level, topological insulator surfaces, and […]

Experimental Observation of Weyl Semimetals

1.Experimental observation of Weyl points. Authors: Ling Lu, Zhiyu Wang, Dexin Ye, Lixin Ran, Liang Fu, John D. Joannopoulos, Marin Soljacic. arXiv:1502.03438 2.Experimental realization of a topological Weyl semimetal phase with Fermi arc surface states in TaAs. Authors: S.Y. Xu, I. Belopolski, N. Alidoust, M. Neupane, C. Zhang, R. Sankar, S.M. Huang, C.C. Lee, G. […]

On Non-Fermi liquid phases due to Goldstone boson exchange

Criterion for stability of Goldstone Modes and Fermi Liquid behavior in a metal with broken symmetry Authors: Haruki Watanabe and Ashvin Vishwanath arXiv: 1404.3728 Recommended with a commentary by Jörg Schmalian, Karlsruhe Institute of Technology |View Commentary| DOI: 10.36471/JCCM_September_2014_03

Quantum Entanglement sheds new light on an old problem

Chiral Symmetry Breaking, Deconfinement and Entanglement Monotonicity Authors: Tarun Grover arXiv:1211.1392 Recommended with a commentary by Ashvin Vishwanath, UC Berkeley |View Commentary| DOI: 10.36471/JCCM_January_2014_02

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 Insulator Authors: Chong Wang, Andrew C. Potter, T. Senthil Phys. Rev. B 88, 115137 (2013), arXiv:1306.3223 3. Symmetry Enforced Non-Abelian […]