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Akademický článek
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Autor:
Crauste, Olivier, Ohtsubo, Yoshiyuki, Ballet, Philippe, Delplace, Pierre André Louis, Carpentier, David, Bouvier, Clément, Meunier, Tristan, Taleb-Ibrahimi, Amina, Lévy, Laurent
The topological surface states of strained HgTe have been measured using high-resolution ARPES measurements. The dispersion of surface states form a Dirac cone, which origin is close to the top of the \ghh band: the top half of the Dirac cone is insi
Externí odkaz:
http://arxiv.org/abs/1307.2008
Autor:
Capron, Thibaut, Forestier, Guillaume, Perrat-Mabilon, Angela, Peaucelle, Christophe, Meunier, Tristan, Bäuerle, Christopher, Lévy, Laurent P., Carpentier, David, Saminadayar, Laurent
We have measured Universal Conductance Fluctuations in the metallic spin glass Ag:Mn as a function of temperature and magnetic field. From this measurement, we can access the phase coherence time of the electrons in the spin glass. We show that this
Externí odkaz:
http://arxiv.org/abs/1304.0171
Autor:
Mahmood, Ather, Naud, Cécile, Bouvier, Clément, Hiebel, Fanny, Mallet, Pierre, Veuillen, Jean-Yves, Levy, Laurent, Chaussende, Didier, Ouisse, Thierry
We show how the weak field magneto-conductance can be used as a tool to characterize epitaxial graphene samples grown from the C or the Si face of Silicon Carbide, with mobilities ranging from 120 to 12000 cm^2/(V.s). Depending on the growth conditio
Externí odkaz:
http://arxiv.org/abs/1206.1710
Autor:
Bouvier, Clément, Meunier, Tristan, Ballet, Philippe, Baudry, Xavier, Kramer, Roman Bernd Günter, Lévy, Laurent
Topological insulators can be seen as band-insulators with a conducting surface. The surface carriers are Dirac particles with an energy which increases linearly with momentum. This confers extraordinary transport properties characteristic of Dirac m
Externí odkaz:
http://arxiv.org/abs/1112.2092
Autor:
Capron, Thibaut, Perrat-Mabilon, A., Peaucelle, Christophe, Meunier, Tristan, Carpentier, David, Lévy, Laurent P., Bäuerle, Christopher, Saminadayar, Laurent
We have measured the low temperature electrical resistivity of Ag : Mn mesoscopic spin glasses prepared by ion implantation with a concentration of 700 ppm. As expected, we observe a clear maximum in the resistivity (T ) at a temperature in good agre
Externí odkaz:
http://arxiv.org/abs/1011.4371
Autor:
Leone, Raphaël, Lévy, Laurent
When physical systems are tunable by three classical parameters, level degeneracies may occur at isolated points in parameter space. A topological singularity in the phase of the degenerate eigenvectors exists at these points. When a path encloses su
Externí odkaz:
http://arxiv.org/abs/0711.0586
A new charge quantization in a phase-polarized Cooper Pair Pump (CPP) is proposed, based on the topological properties of its Hamiltonian ground state over a three-dimensional parameter space $\mathbb{P}$. The charge is quantized using a set of path
Externí odkaz:
http://arxiv.org/abs/0711.0210
Autor:
Paolini, Marion, Poul, Laurence, Darmon, Audrey, Germain, Matthieu, Pottier, Agnès, Levy, Laurent, Vibert, Eric
Publikováno v:
In Nanomedicine: Nanotechnology, Biology, and Medicine July 2017 13(5):1715-1723
