Journal Club for Condensed Matter Physics

Resistance at the edge: imperfect conductance quantization in 2D topological insulators

jccmadmin2 — Fri, 26 Apr 2013 13:45:17 +0000

1. Helical edge resistance introduced by charge puddles.
Authors: Jukka I. Vayrynen, Moshe Goldstein and Leonid I. Glazman.
arXiv:1303.1766

Recommended with a commentary by Jason Alicea, Caltech |View Commentary (PDF)|

JCCM_APRIL_2013_01

Are the anomalies in water due to an unapproachable critical point?

jccmadmin2 — Fri, 26 Apr 2013 13:44:06 +0000

1. Thermal conductivity of supercooled water.
Authors: John W. Biddle, Vincent Holten, Jan V. Sengers and Mikhail A. Anisimov.
Phys. Rev. E 87, 042302 (2013), arXiv:1302.6280.

Recommended with a commentary by Marivi Fernandez-Serra, Stony Brook University |View Commentary (PDF)|

JCCM_APRIL_2013_02

Viscoelasticity of molecular rearrangements controls protein function

jccmadmin2 — Fri, 26 Apr 2013 13:42:59 +0000

1. Nonlinearity of a voltage-gated potassium channel revealed
by the mechanical susceptibility.
Authors: Amila Ariyaratne and Giovanni Zocchi.
Physical Review X 3, 011010 (2013).

Recommended with a commentary by Elisha Moses, Weizmann Institute |View Commentary (PDF)|

JCCM_APRIL_2013_03

Hofstadter’s butterfly gets caught in graphene

jccmadmin2 — Fri, 29 Mar 2013 20:05:48 +0000

1. Hofstadter’s butterfly in Moire superlattices: A fractal quantum Hall effect.
Authors: C. R. Dean, L. Wang, P. Maher, C. Forsythe, F. Ghahari, Y. Gao, J. Katoch, M. Ishigami, P. Moon, M. Koshino, T. Taniguchi, K. Watanabe, K. L. Shepard, J. Hone, P. Kim, arXiv:1212.4783.

2. Changes in Fermi surface topology and Hofstadter quantization in graphene superlattices.
Authors: L. A. Ponomarenko, R. V. Gorbachev, D. C. Elias, G. L. Yu, A. S. Mayorov, J. Wallbank, M. Mucha-Kruczynski, A. Patel, B. A. Piot, M. Potemski, I. V. Grigorieva, K. S. Novoselov, F. Guinea, V. I. Fal’ko, A. K. Geim, arXiv:1212.5012.

Recommended with a commentary by Carlo Beenakker, Leiden University | View Commentary (pdf) |.

JCCM_MARCH2013_01

Manipulating plasmons in graphene

jccmadmin2 — Fri, 29 Mar 2013 20:05:22 +0000

1. Gate-tuning of graphene plasmons revealed by infrared nano-imaging
Authors: Z. Fei, A. S. Rodin, G. O. Andreev, W. Bao, A. S. McLeod, M.
Wagner, L. M. Zhang, Z. Zhao, G. Dominguez, M. Thiemens, M. M. Fogler,
A. H. Castro-Neto, C. N. Lau, F. Keilmann, D. N. Basov, Nature 487, 82 (2012).

2. Optical nano-imaging of gate-tuneable graphene plasmons
Authors: Jianing Chen, Michela Badioli, Pablo Alonso-Gonzalez, Suko
Thongrattanasiri, Florian Huth, Johann Osmond, Marko Spasenovic, Alba
Centeno, Amaia Pesquera, Philippe Godignon, Amaia Zurutuza, Nicolas Ca-
mara, Javier Garcia de Abajo, Rainer Hillenbrand, Frank Koppens, Nature 487, 77 (2012).

Recommended and a Commentary by Francisco Guinea, CSIC Madrid | View Commentary (pdf) |.

JCCM_MARCH2013_02

Generic Indicators for Loss of Resilience Before a Tipping Point Leading to Population Collapse

jccmadmin2 — Fri, 29 Mar 2013 20:04:55 +0000

Generic Indicators for Loss of Resilience Before a Tipping Point Leading
to Population Collapse.
Authors: L. Dai, D. Vorselen, K.S. Korolev, J. Gore, Science 336, 1175 (2012).

Recommended with a commentary by Mehran Kardar, MIT | View Commentary (pdf) |.

JCCM_MARCH2013_03

SYMMETRY PROTECTED TOPOLOGICAL PHASES OF 3D BOSONS

jccmadmin2 — Fri, 01 Mar 2013 02:14:17 +0000

1. Physics of three dimensional bosonic topological insulators: Surface Deconfined Criticality and Quantized Magnetoelectric Effect.
Authors: Ashvin Vishwanath, T. Senthil, arXiv:1209.3058.

2. Three dimensional Symmetry Protected Topological Phase close to Antiferromagnetic Neel order.
Author: Cenke Xu, arXiv:1209.4399.

Recommended and a Commentary by M.P.A. Fisher, UC Santa Barbara | View Commentary (pdf) |.

JCCM_FEBRUARY2013_01

When cold atoms meet mesoscopics

jccmadmin2 — Fri, 01 Mar 2013 02:13:51 +0000

Conduction of Ultracold Fermions Through a Mesoscopic Channel.
Authors: Jean-Philippe Brantut, Jakob Meineke, David Stadler, Sebastian Krinner, Tilman Esslinger, Science 337, 1069 (2012).

Recommended with a Commentary by Thierry Giamarchi, University of Geneva, | View Commentary (pdf) |.

JCCM_FEBRUARY2013_02

Vacancy-stabilized crystalline order in hard cubes

jccmadmin2 — Fri, 01 Mar 2013 02:13:21 +0000

Vacancy-stabilized crystalline order in hard cubes.
Authors: Frank Smallenburg, Laura Filion, Matthieu Marechal, Marjolein Dijkstra, PNAS 109 (2012) 17886.

Recommended and a commentary by Randall D. Kamien, University of Pennsylvania, | View Commentary (pdf) |.

JCCM_FEBRUARY2013_03

Regarding “Phase Transformations and Metallization of Magnesium Oxide at High Pressure and Temperature,”

jccmadmin2 — Thu, 31 Jan 2013 19:00:18 +0000

Phase Transformations and Metallization of Magnesium Oxide at High Pressure and Temperature.
Authors: R. S. McWilliams, D. K. Spaulding, J. H. Eggert, P. M. Celliers, D. G. Hicks, R. F. Smith, G. W. Collins and R. Jeanloz, Science 338, 1330-1333 (2012).

Recommended with a Commentary by Steve Berry, University of Chicago | View Commentary (pdf) |.

JCCM_JANUARY2013_01