Zobrazeno 1 - 10
of 909
pro vyhledávání: '"P. Ortiz, R."'
A considerable number of asymptotic giant branch (AGB) stars exhibit UV excess and/or X-ray emission indicative of the presence of a binary companion. AGB stars are so bright that they easily outshine their companions, making almost impossible their
Externí odkaz:
http://arxiv.org/abs/2411.14270
Autor:
Joaquín-Jaime, O., Lázaro-Lázaro, E., Peredo-Ortiz, R., Srivastava, S., Medina-Noyola, M., Elizondo-Aguilera, L. F.
We report a novel approach based on the non-equilibrium self-consistent generalized Langevin equation (NESCGLE) theory that allows for the first principles prediction of the zero-shear viscosity in glass- and- gel-forming materials. This new modulus
Externí odkaz:
http://arxiv.org/abs/2410.08512
Autor:
Peredo-Ortiz, R., Joaquín-Jaime, O., López-Flores, L., Medina-Noyola, M., Elizondo-Aguilera, L. F.
We propose a first-principles theoretical approach for the description of the aging of the linear viscoelastic properties of a colloidal liquid after a sudden quench into a dynamically arrested (glass or gel) state. Specifically, we couple a general
Externí odkaz:
http://arxiv.org/abs/2402.14242
Relevant and fundamental concepts of the statistical mechanical theory of classical liquids are ordinarily introduced in the context of the description of thermodynamic equilibrium states. This makes explicit reference to probability distribution fun
Externí odkaz:
http://arxiv.org/abs/2401.15220
Publikováno v:
2D Mater. 10 015015 (2023)
Equilateral triangle-shaped graphene nanoislands with a lateral dimension of $n$ benzene rings are known as $[n]$triangulenes. Individual $[n]$triangulenes are open-shell molecules, with single-particle electronic spectra that host $n-1$ half-filled
Externí odkaz:
http://arxiv.org/abs/2206.14907
Autor:
Ortiz, R. A., Puphal, P., Klett, M., Hotz, F., Kremer, R. K., Trepka, H., Hemmida, M., von Nidda, H. -A. Krug, Isobe, M., Khasanov, R., Luetkens, H., Hansmann, P., Keimer, B., Schäfer, T., Hepting, M.
Publikováno v:
Phys. Rev. Research 4, 023093 (2022)
We report a comprehensive study of magnetic correlations in LaNiO$_{2}$, a parent compound of the recently discovered family of infinite-layer (IL) nickelate superconductors, using multiple experimental and theoretical methods. Our specific heat, muo
Externí odkaz:
http://arxiv.org/abs/2111.13668
We study the emergence of magnetism and its interplay with structural properties in a two dimensional molecular crystal of cyclacenes, using density functional theory (DFT). Isolated cyclacenes with an even number of fused benzenes host two unpaired
Externí odkaz:
http://arxiv.org/abs/2107.11760
Autor:
Ortiz, R. A., Menke, H., Misják, F., Mantadakis, D. T., Fürsich, K., Schierle, E., Logvenov, G., Kaiser, U., Keimer, B., Hansmann, P., Benckiser, E.
Publikováno v:
Phys. Rev. B 104, 165137 (2021)
The recent observation of superconductivity in infinite-layer Nd$_{1-x}$Sr$_x$NiO$_2$ thin films has attracted a lot of attention, since this compound is electronically and structurally analogous to the superconducting cuprates. Due to the challenges
Externí odkaz:
http://arxiv.org/abs/2102.05621
In this article, we obtain closed formulae for the Italian domination number of rooted product graphs. As a particular case of the study, we derive the corresponding formulas for corona graphs, and we provide an alternative proof that the problem of
Externí odkaz:
http://arxiv.org/abs/2006.02124
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