Concept

Icosahedral symmetry

Related publications (147)

Experimental and theoretical study of the Gouy phase anomaly of light in the focus of microlenses

Hans Peter Herzig, Toralf Scharf, Myun Sik Kim, Ali Naqavi

We report on the Gouy phase anomaly of light in the focus of cylindrical and spherical microlenses. The prime subject of our study concerns a discussion of how the very small size of microlenses affects the phase properties of light in their foci. We put e ...

Institute of Physics (IoP) and Deutsche Physikalische Gesellschaft2013

Particle-hole condensates of higher angular momentum in hexagonal systems

Ronny Thomale

Hexagonal lattice systems (e.g., triangular, honeycomb, kagome) possess a multidimensional irreducible representation corresponding to d(x2-y2) and d(xy) symmetry. Consequently, various unconventional phases that combine these d-wave representations can oc ...

Amer Physical Soc2013

Flexoelectric Effect in Solids

Alexander Tagantsev

Flexoelectricity-the coupling between polarization and strain gradients-is a universal effect allowed by symmetry in all materials. Following its discovery several decades ago, studies of flexoelectricity in solids have been scarce due to the seemingly sma ...

Annual Reviews2013

Combined ARPES and STM study of Pb/Au(111) Moiré structure: One overlayer, two symmetries

Klaus Kern, Harald Brune, Marco Grioni, Alberto Crepaldi, Markus Etzkorn, Emmanouil Frantzeskakis

The structural and electronic properties of a Pb monolayer (ML) grown on Au(111) are investigated by scanning tunneling microscopy (STM) and angle resolved photoelectron spectroscopy (ARPES). We find an incommensurate Moire structure with an approximate (5 ...

Amer Physical Soc2013

Hands-on Symmetry with Augmented Reality on Paper

Pierre Dillenbourg, Frédéric Kaplan, Quentin Bonnard

Computers have been trying to make their way into education, because they can allow learners to manipulate abstract notions and explore problem spaces easily. However, even with the tremendous potential of computers in education, their integration into for ...

2012

Analysis of the low-frequency spectrum of the cubic noncentrosymmetric ferrimagnet Cu2OSeO3

Helmuth Berger

The IR reflectance spectra of the cubic noncentrosymmetric ferrimagnet Cu2OSeO3 (T-C approximate to 60 K) were investigated in the temperature range 10-80 K. Detailed analysis of the symmetry and composition of vibrational modes was conducted on the basis ...

2012

Paper Interfaces: an HCI Approach to Geometry Education

Quentin Bonnard

Paper interfaces are an alternative for controlling a computer. Typically, users interact with pieces of paper which are detected by a camera and augmented with relevant information by a projector. The development of paper interfaces, historically, aimed a ...

EPFL2012

Opening of the superconducting gap in the hole pockets of Ba(Fe1-xCox)(2)As-2 as seen via angle-resolved photoelectron spectroscopy

We present an angle-resolved photoelectron spectroscopy study of the changes in the electronic structure of electron-doped Ba(Fe1-xCox)(2)As-2 across the superconducting phase transition. By changing the polarization of the incoming light, we were able to ...

2012

Overview of toroidal momentum transport

Basil Duval, Yann Camenen, Alessandro Bortolon, Giovanni Tardini

Toroidal momentum transport mechanisms are reviewed and put in a broader perspective. The generation of a finite momentum flux is closely related to the breaking of symmetry (parity) along the field. The symmetry argument allows for the systematic identifi ...

2011

Overview of toroidal momentum transport

Basil Duval, Yann Camenen, Alessandro Bortolon, Lucia Isabel Federspiel, Giovanni Tardini

2011

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