Zobrazeno 1 - 10
of 301
pro vyhledávání: '"Andersen, O K"'
Publikováno v:
Phys. Rev. Lett. 124, 109701 (2020)
The abstract of Phys. Rev. Lett. 121, 157001 (2018) claims to "demonstrate, using ab initio computations, a new trend suggesting that the cuprates with stronger out-of-CuO$_{2}$-plane chemical bonding between the apical anion (O, Cl) and apical catio
Externí odkaz:
http://arxiv.org/abs/1909.09867
Autor:
Dudy, L., Allen, J. W., Denlinger, J. D., He, J., Greenblatt, M., Haverkort, M. W., Nohara, Y., Andersen, O. K.
In this set of three papers, we present the results of a combined study by density-functional (LDA) band theory (NMTO) and angle-resolved photoemission spectroscopy (ARPES) of lithium purple bronze, 2(Li$_{1x}$Mo$_{6}$O$_{17}$). This material is part
Externí odkaz:
http://arxiv.org/abs/1812.03388
Autor:
Ansermet, D., Petrović, A. P., He, S., Chernyshov, D., Hoesch, M., Salloum, D., Gougeon, P., Potel, M., Boeri, L., Andersen, O. K., Panagopoulos, C.
Publikováno v:
Ansermet Diane et al. ACS Nano 10, 515-523, 2016
The short coherence lengths characteristic of low-dimensional superconductors are associated with usefully high critical fields or temperatures. Unfortunately, such materials are often sensitive to disorder and suffer from phase fluctuations in the s
Externí odkaz:
http://arxiv.org/abs/1701.02469
Akademický článek
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Autor:
Nohara, Yoshiro, Andersen, O. K.
Publikováno v:
Phys. Rev. B 94, 085148 (2016)
A method for 3D interpolation between hard spheres is described. The function to be interpolated could be the charge density between atoms in condensed matter. Its electrostatic potential is found analytically, and so are various integrals. Periodici
Externí odkaz:
http://arxiv.org/abs/1604.08097
Autor:
Lichtenstein, J., Maier, S. A., Honerkamp, C., Platt, C., Thomale, R., Andersen, O. K., Boeri, L.
Publikováno v:
Phys. Rev. B 89, 214514 (2014)
We investigate the superconducting pairing instabilities of eight-band models for the iron arsenides. Using a functional renormalization group treatment, we determine how the critical energy scale for superconductivity depends on the electronic band
Externí odkaz:
http://arxiv.org/abs/1403.5487
Autor:
Reehuis, M., Saha-Dasgupta, T., Orosel, D., Nuss, J., Rahaman, B., Keimer, B., Andersen, O. K., Jansen, M.
Publikováno v:
Phys. Rev. B 85, 115118 (2012)
The crystal structure and magnetic ordering pattern of PdAs2O6 were investigated by neutron powder diffraction. While the magnetic structure of PdAs2O6 is identical to the one of its isostructural 3d-homologue NiAs2O6, its N\'{e}el temperature (140 K
Externí odkaz:
http://arxiv.org/abs/1204.0102
Autor:
Uchida, M., Ishizaka, K., Hansmann, P., Yang, X., Sakano, M., Miyawaki, J., Arita, R., Kaneko, Y., Takata, Y., Oura, M., Toschi, A., Held, K., Chainani, A., Andersen, O. K., Shin, S., Tokura, Y.
The three-dimensional Fermi surface structure of hole-doped metallic layered nickelate Eu2-xSrxNiO4 (x=1.1), an important counterpart to the isostructural superconducting cuprate La2-xSrxCuO4, is investigated by energy-dependent soft-x-ray angle-reso
Externí odkaz:
http://arxiv.org/abs/1112.2259
Publikováno v:
Phys. Rev. B 85, 165113 (2012)
We demonstrate how ab initio cluster calculations including the full Coulomb vertex can be done in the basis of the localized, generalized Wannier orbitals which describe the low-energy density functional (LDA) band structure of the infinite crystal,
Externí odkaz:
http://arxiv.org/abs/1111.4940
Publikováno v:
Physical Review B 82, 235123 (2010)
Reduced dimensionality and strong electronic correlations, which are among the most important ingredients for cupratelike high-Tc superconductivity, characterize also the physics of nickelate-based heterostructures. Starting from the local-density ap
Externí odkaz:
http://arxiv.org/abs/1111.1111