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About Marcelo Castellanos

Marcelo Castellanos desempeña su actividad en el Instituto de Física Fundamental del CSIC. Ha sido becario de la FGUAM y profesor ayudante en la Facultad de Ciencias de la Universidad Autónoma de Madrid (1998 - 2003). Defendió su tesis doctoral en la UAM en el campo de la Astrofísica Extragaláctica (2001). Ha sido investigador postdoctoral en el CNRS (Toulouse) entre 2003 y 2005. Tras un tiempo de experiencia en el sector privado (2005-2006), ha sido facilitador/”doer”/burócrata/gestor en 3 grandes proyectos de investigación en Astrofísica Molecular, Física Química y Nanociencia (ASTROCAM - Ref.: S-.0505/ESP/000237 entre 2006 y 2009; Consolider-Ingenio ASTROMOL - Ref.: CSD2009-00038 entre 2009 y 2016 y ERC Synergy Grant NANOCOSMOS - Ref.: GA 610256 entre 2014 y 2021). Contacto: Perfil en Linkedin: www.linkedin.com/in/marceloc26569a6 Bluesky: @mcastellanosb1508.bsky.social

Microsolvation of cationic alkali dimers in helium: quantum delocalization and solid-like/liquid-like behaviors of He shells

2025-04-29T13:46:00+02:00Tags: , , , , |

Authors: Yanes-Rodriguez, Raquel; Villarreal, Pablo; Prosmiti, Rita Journal: PHYSICAL CHEMISTRY CHEMICAL PHYSICS Publication date: 2025/04/16 DOI: 10.1039/d5cp00318k Abstract: We performed path-integral molecular dynamics (PIMD) simulations in the NVT ensemble to investigate the quantum solvation of Li2+ in He nanoclusters at a low temperature of 2 K. The interaction potentials were modeled using a sum-of-potentials [...]

Adsorption of molecular hydrogen on extended graphene prototypes decorated with sodium: a quantum-mechanical study

2025-04-29T13:40:01+02:00Tags: , , |

Authors: Garcia-Arroyo, Esther; Bartolomei, Massimiliano; Hernandez, Marta, I; Gonzalez-Lezana, Tomas; Mella, Massimo; Campos-Martinez, Jose Journal: PHYSICA SCRIPTA Publication date: 2025/01/01 DOI: 10.1088/1402-4896/ad9e4b Abstract: This paper presents a study of sodium-decorated circumcircumcoronene, a large polycyclic aromatic hydrocarbon (PAH) regarded as a graphene prototype, and the complexes formed upon aggregation of hydrogen molecules on this substrate. [...]

Validation of millimetre and sub-millimetre atmospheric collision-induced absorption at Chajnantor

2025-04-29T13:34:54+02:00Tags: , |

Authors: Pardo, J. R.; De Breuck, C.; Muders, D.; Gonzalez, J.; Perez-Beaupuits, J. P.; Cernicharo, J.; Prigent, C.; Serabyn, E.; Montenegro-Montes, F. M.; Mroczkowski, T.; Phillips, N.; Villard, E. Journal: ASTRONOMY & ASTROPHYSICS Publication date: 2025/02/13 DOI: 10.1051/0004-6361/202452159 Abstract: Due to the importance of a reference atmospheric radiative transfer model for both planning and [...]

Seminario IFF – Dra. Julia Contreras-García (23/04/2025)

2025-04-22T11:01:44+02:00Tags: , , , , |

Os presentamos una nueva charla, dentro de nuestro ciclo de seminarios del IFF25, impartida por la doctora Julia Contreras-García (Laboratoire de Chimie Théorique, Sorbonne Université/CNRS, 4 Pl. Jussieu, Paris, France). El título de la charla es: "Developing bonding indexes for understanding and predicting: from biomolecules to superconductivity" en la que la investigadora nos hablará [...]

Microsolvation of cationic alkali dimers in helium: quantum delocalization and solid-like/liquid-like behaviors of He shells

2025-04-29T11:12:58+02:00Tags: , , , |

Authors: Yanes-Rodriguez, Raquel; Villarreal, Pablo; Prosmiti, Rita Journal: PHYSICAL CHEMISTRY CHEMICAL PHYSICS Publication date: 2025/04/16 DOI: 10.1039/d5cp00318k Abstract: We performed path-integral molecular dynamics (PIMD) simulations in the NVT ensemble to investigate the quantum solvation of Li2+ in He nanoclusters at a low temperature of 2 K. The interaction potentials were modeled using a sum-of-potentials approach, [...]

Non-adiabatic photodissociation dynamics of vinyl iodide from n?* and n?* transitions

2025-04-29T11:13:19+02:00Tags: , , , |

Authors: Murillo-Sanchez, Marta L.; Poullain, Sonia Marggi; Limao-Vieira, Paulo; Zanchet, Alexandre; de Oliveira, Nelson; Gonzalez-Vazquez, Jesus; Banares, Luis Journal: PHYSICAL CHEMISTRY CHEMICAL PHYSICS Publication date: 2025/04/16 DOI: 10.1039/d5cp00236b Abstract: The photodissociation dynamics of vinyl iodide upon photoexcitation at 199.2 and 200 nm are investigated in a joint theoretical and experimental study. The gas-phase absorption spectrum [...]

On unveiling buried nuclei with JWST: A technique for hunting the most obscured galaxy nuclei from local to high redshift

2025-04-29T11:13:34+02:00Tags: |

Authors: Garcia-Bernete, I.; Donnan, F. R.; Rigopoulou, D.; Pereira-Santaella, M.; Gonzalez-Alfonso, E.; Thatte, N.; Aalto, S.; Konig, S.; Maksymowicz-Maciata, M.; Smith, M. W. R.; Huang, J. -s.; Magdis, G. E.; Roche, P. F.; Devriendt, J.; Slyz, A. Journal: ASTRONOMY & ASTROPHYSICS Publication date: 2025/04/10 DOI: 10.1051/0004-6361/202452455 Abstract: We analyze JWST NIRSpec+MIRI/MRS observations of the infrared [...]

Majorana bound states from cavity embedding in an interacting two-site Kitaev chain

2025-04-29T11:13:14+02:00Tags: , , , |

Authors: Gomez-Leon, Alvaro; Schiro, Marco; Dmytruk, Olesia Journal: PHYSICAL REVIEW B Publication date: 2025/04/09 DOI: 10.1103/PhysRevB.111.155410 Abstract: Poor man's Majorana bound states (MBS) arise in minimal Kitaev chains when the parameters are fine-tuned to a sweet spot. We consider an interacting two-site Kitaev chain coupled to a single-mode cavity and show that the sweet spot [...]

Digital simulation of zero-temperature spontaneous symmetry breaking in a superconducting lattice processor

2025-04-29T11:13:20+02:00Tags: |

Authors: Hu, Chang-Kang; Xie, Guixu; Poulsen, Kasper; Zhou, Yuxuan; Chu, Ji; Liu, Chilong; Zhou, Ruiyang; Yuan, Haolan; Shen, Yuecheng; Liu, Song; Zinner, Nikolaj T.; Tan, Dian; Santos, Alan C.; Yu, Dapeng Journal: NATURE COMMUNICATIONS Publication date: 2025/04/07 DOI: 10.1038/s41467-025-57812-8 Abstract: Quantum simulators are ideal platforms to investigate quantum phenomena that are inaccessible through conventional means, [...]

New sub-millimetre HCN lasers in carbon-rich evolved stars

2025-04-29T11:13:26+02:00Tags: |

Authors: Yang, W.; Wong, K. T.; Wiesemeyer, H.; Menten, K. M.; Gong, Y.; Cernicharo, J.; De Beck, E.; Klein, B.; Duran, C. A. Journal: ASTRONOMY & ASTROPHYSICS Publication date: 2025/04/04 DOI: 10.1051/0004-6361/202453136 Abstract: Context. Strong laser emission from hydrogen cyanide (HCN) at 805 and 891 GHz has been discovered towards carbon-rich (C-rich) asymptotic giant branch [...]

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