Journal Club for Condensed Matter Physics

1) Optogenetic dissection of a behavioural module in the vertebrate spinal cord Authors: Wyart C., Del Bene F., Warp E., Scott E.K., Trauner D., Baier H. and Isacoff E.Y Nature 461, doi:10.1038/nature08323. arXiv:0910.2683 2) Parvalbumin neurons and gamma rhythms enhance cortical circuit performance Authors: Sohal V.S., Zhang F., Yizhar O. and Deisseroth K. Nature 459: […]

1) Phase diagram of the disordered Bose-Hubbard model Authors: V. Gurarie, L. Pollet, N. V. Prokofev, B. V. Svistunov and M. Troyer, Arxiv:0909.4593 2) Superfluid-insulator transition of disordered bosons in one-dimension Authors: E. Altman, Y. Kafri, A. Polkovnikov and G. Refael, Arxiv:0909.4096. 3) Disordered insulator in an optical lattice Authors: M. Pasienski, D. McKay, M. […]

The Disorder-Free Non-BCS Superconductor Cs3C60 Emerges from an Antiferromagnetic Insulator Parent State Authors: Y.Takabayashi, A. Y. Ganin, P. Jegli, D. Aron, T. Takano, Y. Iwasa, Y. Ohishi, M. Takata, N. Takeshita, K. Prassides, M. J. Rosseinsky Science 323, 1585 – 1590 (2009). Recommended by Steven Kivelson, Stanford University | View Commentary | JCCM_Oct09_02

Authors: S Rafaï, L Jibuti, P Peyla http://arxiv.org/abs/0909.4193 Recommended and with commentary by Sriram Ramaswamy, IISc, Bangalore | View Commentary | JCCM_Oct09_03

1) Intrinsic decoherence mechanisms in the microcavity polariton condensate Authors: A. P. D. Love, D. N. Krizhanovskii, D. M. Whittaker, R. Bouchekioua, D. Sanvitto, S. Al Rizeiqi, R. Bradley, M. S. Skolnick, P. R. Eastham, R. Andre, and Le Si Dang Phys. Rev. Lett. 101, 067404 (2008) 2) Quantized vortices in an exciton-polariton condensate Authors: […]

1) Shear viscosity of strongly coupled N=4 supersymmetric Yang-Mills plasma Authors: G. Policastro, D. T. Son and A. O. Starinets Phys. Rev. Lett. 87 (2001), arXiv:hep-th/0104066 2) Viscosity in strongly interacting quantum field theories from black hole physics Authors: P. Kovtun, D.T. Son, A. O. Starinets, Phys. Rev. Lett. 94, 111601 (2005), arXiv:hep-th/0405231. 3) Theory […]

Authors: Maxime Clusel, Eric I. Corwin, Alexander O. N. Siemens and Jasna Brujic´ Nature, 460, 611-615 (2009) Recommended with a Commentary by Salvatore Torquato, Princeton University, USA | View Commentary (pdf) | JCCM_Sept09_03

1. Emergent quantum criticality, Fermi surfaces, and AdS2. Authors: Thomas Faulkner, Hong Liu, John McGreevy, David Vegh arXiv:0907.2694; arXiv:0903.2477 2. Fermions and the AdS/CFT correspondence: quantum phase transitions and the emergent Fermi-liquid. Authors: Mihailo Cubrovic, Jan Zaanen, Koenraad Schalm. arXiv:0904.1993 Recommended with a Commentary by Elihu Abrahams, Rutgers, Andrew Cohen, Boston University and Chandra Varma, […]

Authors: M. Neupane, P. Richard, Z.-H. Pan, Y. Xu, R. Jin, D. Mandrus, X. Dai, Z.Fang, Z. Wang, and H. Ding arXiv:0808.0346 Recommended with a Commentary by Atsushi Fujimori, University of Tokyo | View Commentary | JCCM_August09_02

Spatial Regulators for Bacterial Cell Division Self-Organize into Surface Waves in Vitro Science 320 789-792 (2008) Authors: Martin Loose, Elisabeth Fischer-Friedrich, Jonas Ries, Karsten Kruse and Petra Schwille Recommended with a commentary by Martin Howard, The John Innes Centre, UK  | View Commentary | JCCM_August09_03

Authors: Peter Wochner, Christian Gutt, Tina Autenrieth, Thomas Demmer, Volodymyr Bugaev, Alejandro Díaz Ortiz, Agnès Duri, Federico Zontone, Gerhard Grübel, Helmut Dosch PNAS published online before print June 29, 2009, doi:10.1073/pnas.0905337106 Recommended, with a commentary by Sunil Sinha, University of California San Diego. View Commentary | JCCM_July09_01

1) Simulation of interacting fermions with entanglement renormalization Authors: P. Corboz, G. Evenbly, F. Verstraete, and G. Vidal arXiv:0904.415 2) Fermionic Projected Entangled Pair States Authors: C.V. Kraus, N. Schuch, F. Verstraete, J.I. Cirac arXiv:0904.4667 3) Fermionic multi-scale entanglement renormalization ansatz Authors: P. Corboz and G. Vidal arXiv:0907.3184 Recommended with a Commentary by Matthias Troyer, […]

Theory of Ferroelectric Nanoparticles in Nematic Liquid Crystals Authors: Lena M. Lopatina and Jonathan V. Selinger http://arxiv.org/abs/0902.3270, Physical Review Letters 102, 197802 (2009) Recommended with a Commentary by Slobodan Zumer, University of Ljubljana | View Commentary | JCCM_July09_03

(1) Energetics of a strongly correlated Fermi gas, Authors: Shina Tan arXiv:0505200, Annals of Physics 323, 2952-2970 (2008) (2) Large Momentum part of fermions with large scattering length Authors: Shina Tan arXiv:0508320, Annals of Physics 323, 2971-2986 (2008) (3) Exact Relations for a Strongly Interacting Fermi Gas from the Operator Product Expansion Authors: Eric Braaten […]

1) Evolution of the Kondo state of Y bRh2Si2 probed by high field ESR Authors: U. Schaufuß, V. Kataev, A. A. Zvyagin, B. Büchner, J. Sichelschmidt, J. Wykho, C. Krellner, C. Geibel, and F. Steglich. arXiv.org:0804.4105v2, Phys. Rev. Lett. 102, 076405 (2009) 2) Electron spin resonance in Kondo systems Authors: Elihu Abrahams and Peter Wölfle […]

1. The zero-energy state in graphene in a high magnetic field Authors: Joseph G. Checkelsky, Lu Li, N. P. Ong http://www.arxiv.org/abs/0708.1959, Phys. Rev. Lett. 100, 206801 (2008) 2. Divergent resistance at the Dirac point in graphene: Evidence for a transition in a high magnetic field Authors: Joseph G. Checkelsky, Lu Li, N. P. Ong http://www.arxiv.org/abs/0808.0906, […]

“Measurement of lling factor 5/2 quasiparticle interference with observation of charge e/4 and e/2 period oscillations” Authors: R. L. Willett, L. N. Pfeiffer, and K. W. West arXiv:0807.0221; PNAS online doi.10.1073 Recommended with a commentary by Steve Kivelson (Stanford) and Chetan Nayak (Microsoft Station Q and UCSB) | View Commentary | JCCM_May09_02

Authors: Ambarish Ghosh and Peer Fischer Nano Lett., Article ASAP, May 4, 2009; DOI: 10.1021/nl900186w Recommended with a commentary by Thomas R. Powers, Brown University | View Commentary | JCCM_May09_03

Three-dimensional visualization of a human chromosome using coherent x-ray diffraction Authors: Yoshinori Nishino, Yukio Takahashi, Naoko Imamoto, Tetsuya Ishikawa and Kazuhiro Maeshima Phys. Rev. Lett. 102 018101 (2009) Recommended with a commentary by Simon J. L. Billinge, Department of Applied Physics and Applied Mathematics, Columbia University, and Condensed Matter Physics and Materials Science Department, Brookhaven […]

Authors: M. Skarabot, M. Ravnik, S. Zumer, U. Tkalec, I. Poberaj, D. Babic, and I. Musevic Phys. Rev. E 77 (2008) 061706. Recommended and a commentary by Randall D. Kamien, University of Pennsylvania | View Commentary | JCCM_April09_03