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Díaz García, Elena ; Sedrakyan, A. ; Sedrakyan, D. ; Domínguez-Adame Acosta, Francisco | American Physical Society | 2007-01We consider a ladder model of DNA for describing carrier transport in a fully coherent regime through finite segments. A single orbital is associated to each base, and both interstrand and intrastrand overlaps are considered within the nearest-n[...]texto impreso
Díaz García, Elena ; Cabrera Granado, Eduardo ; Domínguez-Adame Acosta, Francisco ; Gómez Calderón, Óscar ; Melle Hernández, Sonia ; Díaz Fernández, Álvaro ; Villas Pazos, Alberto | 2018-06-30La iniciativa de este proyecto viene justificada a la vista del gran interés generado por algunos de los materiales docentes diseñados por nuestro grupo en anteriores proyectos, en los que se vienen desarrollando diferentes herramientas docentes[...]texto impreso
We analyze the band structure and interband optical transitions in a dangling backbone ladder DNA model. Using this model, semiconducting synthetic poly(G)- poly(C) DNA is studied by means of a tight-binding model traditionally used for transpor[...]texto impreso
Díaz García, Elena ; Rodriguez, A. ; Domínguez-Adame Acosta, Francisco ; Malyshev, Andrey | EDP Sciences | 2005-12Optical spectroscopy usually fails in detecting localization-delocalization (Anderson) transitions. We report on an anomalous behavior of the absorption spectrum in a one-dimensional lattice with long-range correlated diagonal disorder, having a[...]texto impreso
Díaz García, Elena ; Lima, R. P. A. ; Domínguez-Adame Acosta, Francisco | American Physical Society | 2008-10The Peyrard-Bishop-Holstein model has been previously introduced as an appropriate framework for the description of polaronic effects for charge migration in DNA. We study numerically the Peyrard-Bishop-Holstein model when the charge carrier is [...]texto impreso
Ai-Min, Guo ; Díaz García, Elena ; Gaul, C. ; Gutierrez, R. ; Domínguez-Adame Acosta, Francisco ; Cuniberti, G. ; Sun, Qing-feng | American Physical Society | 2014-04-28We report on spin transport along double-helical molecular systems by considering various contact configurations and asymmetries between the two helical strands in the regime of completely coherent charge transport. Our results reveal that no sp[...]texto impreso
Méndez González, Diego ; Melle Hernández, Sonia ; Gómez Calderón, Óscar ; Laurenti, Marco ; Cabrera Granado, Eduardo ; Egatz-Gómez, Ana ; Lopez Cabarcos, Enrique ; Rubio Retama, Jorge ; Díaz García, Elena | RSC | 2019-08-07Metallic nanostructures have the potential to modify the anti-Stokes emission of upconverting nanoparticles (UCNPs) by coupling their plasmon resonance with either the excitation or the emission wavelength of the UCNPs. In this regard gold nanop[...]texto impreso
Cabrera Granado, Eduardo ; Gómez Calderón, Óscar ; Melle Hernández, Sonia ; Antón Revilla, Miguel Ángel ; Carreño Sánchez, Fernando ; Díaz García, Elena ; López Alonso, José Manuel ; Arrieta Yáñez, Francisco | 2015-02-19Nuevos documentos de trabajo y consulta basados en IPython Notebook han sido desarrollados con el fin de ofrecer nuevas herramientas para el aprendizaje de la asignatura de Óptica Biomédica de la Facultad de Óptica y Optometría. Este tipo de doc[...]texto impreso
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Díaz García, Elena ; Gau, C. ; Lima, R. P. A. ; Domínguez-Adame Acosta, Francisco ; Mueller, C. A. | American Physical Society | 2010-05Bloch oscillations of Bose-Einstein condensates realize sensitive matter-wave interferometers. We investigate the dynamics and stability of bright-soliton wave packets in one-dimensional tilted optical lattices with a modulated mean-field intera[...]texto impreso
Díaz García, Elena ; Contreras, A. ; Hernández, J. ; Domínguez-Adame Acosta, Francisco | American Physical Society | 2018-11-21The helical conformation of electric dipoles in some chiral molecules, such as DNA and bacteriorhodopsin, induces a spin-orbit coupling that results in a sizable spin selectivity of electrons. The local deformation of the molecule about the movi[...]texto impreso
Malyshev, Andrey ; Díaz García, Elena ; Domínguez-Adame Acosta, Francisco | IOP Publishing Ltd. | 2009-08-19We present a theoretical analysis of the effects of the environment on charge transport in double-stranded synthetic poly(G)-poly(C) DNA molecules attached to two ideal leads. Coupling of the DNA to the environment results in two effects: (i) lo[...]texto impreso
Parisini, A. ; Tarricone, L. ; Bellani, V. ; Parravicini, G. B. ; Díaz García, Elena ; Domínguez-Adame Acosta, Francisco ; Hey, R. | American Physical Society | 2001-01-15We report a systematic study of several GaAs-AlxGa1-xAs semiconductor superlattices grown by molecular-beam epitaxy specifically designed to explore the existence of extended states in random dimer superlattices. We have confirmed our previous r[...]texto impreso
Vaquero, Daniel ; Clericò, Vito ; Salvador Sánchez, Juan ; Martín Ramos, Adrián ; Díaz García, Elena ; Domínguez-Adame Acosta, Francisco ; Meziani, Yahya M ; Díez, Enrique ; Quereda, Jorge | Nature | 2020-10-30Exciton physics in two-dimensional semiconductors are typically studied by photoluminescence spectroscopy. However, this technique does not allow for direct observation of non-radiating excitonic transitions. Here, we use low-temperature photocu[...]texto impreso
Díaz García, Elena ; Domínguez Adame Acosta, Francisco ; Díaz Fernández, Álvaro ; Baba, Yuriko Caterina | 2020-06-25La Física de la Materia Condensada trata del estudio de aquellos fenómenos que surgen de la consideración de un elevado número de partículas en interacción. Comprende, por tanto, el estudio de la materia que nos rodea, dando lugar al descubrimie[...]
