January 2025 - Instituto De Física Fundamental

Linear response theory for cavity QED materials at arbitrary light-matter coupling strengths

Marcelo Castellanos2025-04-29T11:13:09+02:00Tags: Applied; Physics, Condensed Matter. , Materials Science, Multidisciplinary; Physics|

Authors: Roman-Roche, Juan; Gomez-Leon, Alvaro; Luis, Fernando; Zueco, David Journal: PHYSICAL REVIEW B Publication date: 2025/01/31 DOI: 10.1103/PhysRevB.111.035156 Abstract: We develop a linear response theory for materials collectively coupled to a cavity that is valid in all regimes of light-matter coupling, including symmetry-broken phases. We present and compare two different approaches. First, we use a [...]

The Galaxy Activity, Torus, and Outflow Survey (GATOS) VI. Black hole mass estimation using machine learning

Marcelo Castellanos2025-04-29T11:13:37+02:00Tags: Astronomy & Astrophysics. |

Authors: Poitevineau, R.; Combes, F.; Garcia-Burillo, S.; Cornu, D.; Herrero, A. Alonso; Almeida, C. Ramos; Audibert, A.; Bellocchi, E.; Boorman, P. G.; Bunker, A. J.; Davies, R.; Diaz-Santos, T.; Garcia-Bernete, I.; Garcia-Lorenzo, B.; Gonzalez-Martin, O.; Hicks, E. K. S.; Hoenig, S. F.; Hunt, L. K.; Imanishi, M.; Pereira-Santaella, M.; Ricci, C.; Rigopoulou, D.; Rosario, D. [...]

Detection of thioacetaldehyde (CH3CHS) in TMC-1: Sulfur-oxygen differentiation along the hydrogenation sequence?

Marcelo Castellanos2025-04-29T11:13:00+02:00Tags: Astronomy & Astrophysics. |

Authors: Agundez, M.; Molpeceres, G.; Cabezas, C.; Marcelino, N.; Tercero, B.; Fuentetaja, R.; de Vicente, P.; Cernicharo, J. Journal: ASTRONOMY & ASTROPHYSICS Publication date: 2025/01/28 DOI: 10.1051/0004-6361/202453459 Abstract: In recent years, the chemistry of sulfur in the interstellar medium has experienced renewed interest due to the detection of a large variety of molecules containing sulfur. [...]

#11F en el IFF – ¡Atrévete a ser científica!

#11F en el IFF – ¡Atrévete a ser científica!

Marcelo Castellanos2025-01-29T16:22:15+01:00Tags: 11F, Ciencia, Científica, Mujer, Science, STEM, Women|

Por octavo año consecutivo, volvemos a disfrutar de la pedagógica e innovadora actividad, “Atrévete a ser científica“, organizada por nuestra compañera Marta I. Hernández (IFF-CSIC) junto a un grupo de cuatro científicas de diferentes institutos del CSIC, en el marco de las actividades organizadas para celebrar y difundir el Día internacional de la Mujer y la Niña en [...]

Photon antibunching in single-molecule vibrational sum-frequency generation

Marcelo Castellanos2025-04-29T11:13:18+02:00Tags: Applied. , Multidisciplinary; Optics; Physics, Nanoscience & Nanotechnology; Materials Science|

Authors: Kalarde, Fatemeh Moradi; Ciccarello, Francesco; Munoz, Carlos Sanchez; Feist, Johannes; Galland, Christophe Journal: NANOPHOTONICS Publication date: 2025/01/21 DOI: 10.1515/nanoph-2024-0469 Abstract: Sum-frequency generation (SFG) enables the coherent upconversion of electromagnetic signals and plays a significant role in mid-infrared vibrational spectroscopy for molecular analysis. Recent research indicates that plasmonic nanocavities, which confine light to extremely small [...]

JWST Discovery of a Very Fast Biconical Outflow of Warm Molecular Gas in the Nearby Ultraluminous Infrared Galaxy F08572+3915 NW

Marcelo Castellanos2025-04-29T11:13:29+02:00Tags: Astronomy & Astrophysics. |

Authors: Dan, Kylie Yui; Seebeck, Jerome; Veilleux, Sylvain; Rupke, David; Gonzalez-Alfonso, Eduardo; Garcia-Bernete, Ismael; Liu, Weizhe; Lutz, Dieter; Melendez, Marcio; Santaella, Miguel Pereira; Sturm, Eckhard; Tombesi, Francesco Journal: ASTROPHYSICAL JOURNAL Publication date: 2025/01/20 DOI: 10.3847/1538-4357/ad9a50 Abstract: We present new James Webb Space Telescope (JWST) Mid-Infrared Instrument Medium-Resolution Spectrometer observations of the nearby ultraluminous infrared galaxy [...]

Molecular gas stratification and disturbed kinematics in the Seyfert galaxy MCG-05-23-16 revealed by JWST and ALMA

Marcelo Castellanos2025-04-29T11:13:36+02:00Tags: Astronomy & Astrophysics. |

Authors: Esparza-Arredondo, D.; Almeida, C. Ramos; Audibert, A.; Pereira-Santaella, M.; Garcia-Bernete, I.; Garcia-Burillo, S.; Shimizu, T.; Davies, R.; Munoz, L. Hermosa; Alonso-Herrero, A.; Combes, F.; Speranza, G.; Zhang, L.; Campbell, S.; Bellocchi, E.; Bunker, A. J.; Diaz-Santos, T.; Garcia-Lorenzo, B.; Gonzalez-Martin, O.; Hicks, E. K. S.; Labiano, A.; Levenson, N. A.; Ricci, C.; Rosario, D.; [...]

Inelastic H + H3+ collision rates and their impact on the determination of the excitation temperature of H3+

Marcelo Castellanos2025-04-29T11:13:22+02:00Tags: Astronomy & Astrophysics. |

Authors: Felix-Gonzalez, Daniel; del Mazo-Sevillano, Pablo; Aguado, Alfredo; Roncero, Octavio; Le Bourlot, Jacques; Roueff, Evelyne; Le Petit, Franck; Bron, Emeric Journal: ASTRONOMY & ASTROPHYSICS Publication date: 2025/01/15 DOI: 10.1051/0004-6361/202452977 Abstract: Context. In diffuse interstellar clouds, the excitation temperature derived from the lowest levels of H3+ is systematically lower than that derived from H2. The differences [...]

Identification of the interstellar 1-cyano propargyl radical (HCCCHCN) in TMC-1

Marcelo Castellanos2025-04-29T11:13:16+02:00Tags: Astronomy & Astrophysics. |

Authors: Cabezas, C.; Agundez, M.; Marcelino, N.; Chang, C. H.; Fuentetaja, R.; Tercero, B.; Nakajima, M.; Endo, Y.; de Vicente, P.; Cernicharo, J. Journal: ASTRONOMY & ASTROPHYSICS Publication date: 2025/01/13 DOI: 10.1051/0004-6361/202453419 Abstract: We report the first detection in interstellar medium of the 1-cyano propargyl radical, HC3HCN. This species is an isomer of the 3-cyano [...]

Encoding quantum bits in bound electronic states of a graphene nanotorus

Marcelo Castellanos2025-04-29T11:13:24+02:00Tags: Multidisciplinary. , Physics|

Authors: Furtado, J.; Ramos, A. C. A.; Silva, J. E. G.; Bachelard, R.; Santos, Alan C. Journal: ANNALS OF PHYSICS Publication date: 2025/01/01 DOI: 10.1016/j.aop.2024.169862 Abstract: We propose to use the quantum states of an electron trapped on the inner surface of a graphene nanotorus to realize as a new kind of physical quantum bit, [...]