Peer-reviewed Publications |
Aguirregabiria, G., Marinica, D. C., Esteban, R., Kazansky, A. K., Aizpurua, J., & Borisov, A. G. (2017). Electric Field-Induced High Order Nonlinearity in Plasmonic Nanoparticles Retrieved with Time-Dependent Density Functional Theory. ACS Photonics, 4(3), 613–620.
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Bergeron, H., Czuchry, E., Gazeau, J. - P., & Malkiewicz, P. (2017). Spectral properties of the quantum Mixmaster universe. Physical Review D, 96(4), 043521.
Résumé: We study the spectral properties of the anisotropic part of the Hamiltonian entering the quantum dynamics of the Mixmaster universe. We derive the explicit asymptotic expressions for the energy spectrum in the limit of large and small volumes of the universe. Then, we study the threshold condition between both regimes. Finally, we prove that the spectrum is purely discrete for any volume of the universe. Our results validate and improve the known approximations to the anisotropy potential. They should be useful for any approach to the quantization of the Mixmaster universe.
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Choi, D. - J., Robles, R., Yan, S., Burgess, J. A. J., Rolf-Pissarczyk, S., Gauyacq, J. - P., Lorente, N., Ternes, M., & Loth, S. (2017). Building Complex Kondo Impurities by Manipulating Entangled Spin Chains. Nano Lett., 17(10), 6203–6209.
Résumé: The creation of molecule-like structures in which magnetic atoms interact controllably is full of potential for the study of complex or strongly correlated systems. Here, we create spin chains in which a strongly correlated Kondo state emerges from magnetic coupling of transition-metal atoms. We build chains up to ten atoms in length by placing Fe and Mn atoms on a Cu2N surface with a scanning tunneling microscope. The atoms couple antiferromagnetically via superexchange interaction through the nitrogen atom network of the surface. The emergent Kondo resonance is spatially distributed along the chain. Its strength can be controlled by mixing atoms of different transition metal elements and manipulating their spatial distribution. We show that the Kondo screening of the full chain by the electrons of the nonmagnetic substrate depends on the interatomic entanglement of the spins in the chain, demonstrating the prerequisites to build and probe spatially extended strongly correlated nanostructures.
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Debiossac, M., Atkinson, P., Zugarramurdi, A., Eddrief, M., Finocchi, F., Etgens, V. H., Momeni, A., Khemliche, H., Borisov, A. G., & Roncin, P. (2017). Fast atom diffraction inside a molecular beam epitaxy chamber, a rich combination. Appl. Surf. Sci., 391, 53–58.
Résumé: brief oveview of the benefit of having a grazing incidence fast atom diffraction (GIFAD) setup inside a molecular beam eppitaxy setup.
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Herrera, M. Z., Kazansky, A. K., Aizpurua, J., & Borisov, A. G. (2017). Quantum description of the optical response of charged monolayer–thick metallic patch nanoantennas. Phys. Rev. B, 95(24), 245413.
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Koval, N. E., Borisov, A. G., Rosa, L. F. S., Stori, E. M., Dias, J. F., Grande, P. L., Sánchez-Portal, D., & Muiño, R. D. (2017). Vicinage effect in the energy loss of H2 dimers: Experiment and calculations based on time-dependent density-functional theory. Phys. Rev. A, 95(6), 062707.
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Marinica, D. C., Kazansky, A. K., & Borisov, A. G. (2017). Electrical control of the light absorption in quantum-well functionalized junctions between thin metallic films. Phys. Rev. B, 96(24), 245407.
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Matias da Silva, F., Fadanelli Filho, R. C., Grande, P. L., Koval, N., Diez Muino, R., Borisov, A. G., Arista, N., & Schiwietz G. (2017). Ground-and excited-state scattering potentials for the stopping of protons in an electron gas. J. Phys. B: At. Mol. Opt. Phys., 50(18), 185201.
Résumé: The self-consistent electron–ion potential V(r) is calculated for H+ ions in an electron gas system as a function of the projectile energy to model the electronic stopping power for conduction-band electrons. The results show different self-consistent potentials at low projectile-energies, related to different degrees of excitation of the electron cloud surrounding the intruder ion. This behavior can explain the abrupt change of velocity dependent screening-length of the potential found by the use of the extended Friedel sum rule and the possible breakdown of the standard free electron gas model for the electronic stopping at low projectile energies. A dynamical interpolation of V(r) is proposed and used to calculate the stopping power for H+ interacting with the valence electrons of Al. The results are in good agreement with the TDDFT benchmark calculations as well as with experimental data.
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Matias, F., Fadanelli, R. C., Grande, P. L., Koval, N. E., Muiño, R. D., Borisov, A. G., Arista, N. R., & Schiwietz, G. (2017). Ground- and excited-state scattering potentials for the stopping of protons in an electron gas. J. Phys. B: At. Mol. Opt. Phys., 50(18), 185201.
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Morisset, S., Rougeau, N., & Teillet-Billy, D. (2017). Influence of a graphene surface on the first steps of the hydrogenation of a coronene molecule. Chemical Physics Letters, 679, 225–232.
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Wakelam, V., Bron, E., Cazaux, S., Dulieu, F., Gry, C., Guillard, P., Habart, E., Hornekær, L., Morisset, S., Nyman, G., Pirronello, V., Price, S. D., Valdivia, V., Vidali, G., & Watanabe, N. (2017). H 2 formation on interstellar dust grains: The viewpoints of theory, experiments, models and observations. Molecular Astrophysics, 9, 1–36.
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