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Particle in a one-dimensional lattice

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Related publications (29)

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Theory of superconductivity in a three-orbital model of Sr2RuO4

Ronny Thomale

In conventional and high transition temperature copper oxide and iron pnictide superconductors, the Cooper pairs all have even parity. As a rare exception, Sr2RuO4 is the first prime candidate for topological chiral p-wave superconductivity, which has time ...

IOP Publishing - EPL Association2013

Impact Ionization and Carrier Multiplication in Graphene

Yusuf Leblebici, Luca Pirro

We develop a model for carrier generation by impact ionization in graphene, which shows that this effect is non-negligible because of the vanishing energy gap, even for carrier transport in moderate electric fields. Our theory is applied to graphene field ...

American Institute of Physics2012

Experimental observation of thermal fluctuations in single superconducting Pb nanoparticles through tunneling measurements

Klaus Kern

An important question in the physics of superconducting nanostructures is the role of thermal fluctuations (TFs) on superconductivity in the zero-dimensional limit. Here, we probe the evolution of superconductivity as a function of temperature and particle ...

2011

Structural influence on the Rashba-type spin splitting in surface alloys

Klaus Kern, Jan Hugo Dil

The Bi/Ag(111), Pb/Ag(111), and Sb/Ag(111) surface alloys exhibit a two-dimensional band structure with a strongly enhanced Rashba-type spin splitting, which is in part attributed to the structural asymmetry resulting from an outward relaxation of the allo ...

2010

Spin-orbit coupling effects in the band structure of surface alloys

Luca Moreschini

At the surface of a solid, quantum mechanics allows the existence of two-dimensional Bloch waves as solutions of the Schrödinger equation. These "surface" states are interesting both for fundamental and practical reasons, and have been extensively explored ...

EPFL2009

Exotic phases of quantum frustrated magnets : magnetization plateaus, nematic order and supersolid phases

Julien Dorier

In this work, we study two examples of frustrated magnetic systems whose degrees of freedom are spins (or pseudo-spins) on two-dimensional lattices. The first part presents the results obtained for the quantum compass model on a square lattice. This model ...

EPFL2008

Fermi surface determination from wavevector quantization in LaSrCuO films

Davor Pavuna, Ping-Hui Lin, Claudia Cancellieri

We have observed the wavevector quantization in LaSrCuO films thinner than 12 unit cells grown on SrTiO3 substrates. Low energy dispersions were determined in situ for different photon energies by angle resolved photoemission spectroscopy. From the wavevec ...

AIP American Institute of Physics2008

Modulational instability in nonlinearity-managed optical media

Demetri Psaltis, Ye Pu, Ye Pu

We investigate analytically, numerically, and experimentally the modulational instability in a layered, cubically nonlinear (Kerr) optical medium that consists of alternating layers of glass and air. We model this setting using a nonlinear Schrödinger (NLS ...

2007

Integral-equation analysis of 3-D metallic objects arranged in 2-D lattices using the Ewald transformation

Juan Ramon Mosig, Ivica Stevanovic, Frédéric Bongard, Pedro Crespo Valero, Katarina Blagovic

We present a space-domain integral-equation method for the analysis of periodic structures formed by three-dimensional metallic objects arranged in a general skewed two-dimensional lattice. The computation of the space-domain Green's function is accelerate ...

Institute of Electrical and Electronics Engineers2006