April 2023 - Instituto De Física Fundamental

The chemistry of H2NC in the interstellar medium and the role of the C + NH3 reaction star

MCastell2023-07-27T12:21:57+02:00Tags: Astronomy & Astrophysics. |

Authors: Agundez, M.; Roncero, O.; Marcelino, N.; Cabezas, C.; Tercero, B.; Cernicharo, J. Journal: ASTRONOMY & ASTROPHYSICS Publication date: 2023/04/28 DOI: 10.1051/0004-6361/202346279 Abstract: We carried out an observational search for the recently discovered molecule H2NC, and its more stable isomer H2CN, toward eight cold dense clouds (L1544, L134N, TMC-2, Lupus-1A, L1489, TMC-1 NH3, L1498, and [...]

Imaging the photodissociation dynamics of internally excited ethyl radicals from high Rydberg states

MCastell2023-07-27T12:22:03+02:00Tags: Atomic, Chemistry, Molecular & Chemical. , Physical; Physics|

Authors: Rubio-Lago, Luis; Chicharro, David V.; Poullain, Sonia Marggi; Zanchet, Alexandre; Koumarianou, Greta; Glodic, Pavle; Samartzis, Peter C.; Garcia-Vela, Alberto; Banares, Luis Journal: PHYSICAL CHEMISTRY CHEMICAL PHYSICS Publication date: 2023/04/26 DOI: 10.1039/d2cp05082j Abstract: The site-specific hydrogen-atom elimination mechanism previously reported for photoexcited ethyl radicals (CH3CH2) [D. V. Chicharro et al., Chem. Sci., 2019, 10, 6494] [...]

¡Ofertadas 4 becas JAE Intro para el IFF! (cerrada)

MCastell2023-07-21T10:27:37+02:00Tags: CSIC, Formación, investigación, JAE, JAE-INTRO|

La Presidencia del CSIC ha resuelto convocar 300 becas JAE Intro con el objetivo de introducir a la investigación a estudiantes universitarios dentro del marco de la Estrategia CSIC 2025. De esas 300 becas, 4 becas JAE Intro se ofertan en nuestro instituto. A continuación os mostramos la información más relevante de las becas ofertadas [...]

Experimental and theoretical study on elastic electron interaction with halothane molecule in the intermediate energy range

MCastell2023-07-27T12:21:59+02:00Tags: Multidisciplinary. , Physics|

Authors: Maljkovic, Jelena B.; Vukalovic, Jelena; Pesic, Zoran D.; Blanco, Francisco; Garcia, Gustavo; Marinkovic, Bratislav P. Journal: EUROPEAN PHYSICAL JOURNAL PLUS Publication date: 2023/04/21 DOI: 10.1140/epjp/s13360-023-03967-6 Abstract: We present a combined theoretical and experimental absolute differential (DCS) and integral (ICS) cross sections for elastic electron scattering from halothane molecule in the intermediate energy range from [...]

The magnesium paradigm in IRC+10216: Discovery of MgC4H+, MgC3N+, MgC6H+, and MgC5N+

MCastell2023-07-27T12:21:58+02:00Tags: Astronomy & Astrophysics. |

Authors: Cernicharo, J.; Cabezas, C.; Pardo, J. R.; Agundez, M.; Roncero, O.; Tercero, B.; Marcelino, N.; Guelin, M.; Endo, Y.; de Vicente, P. Journal: ASTRONOMY & ASTROPHYSICS Publication date: 2023/04/21 DOI: 10.1051/0004-6361/202346467 Abstract: We found four series of harmonically related lines in IRC +10216 with the Yebes 40 m and IRAM 30 m telescopes. The [...]

Discovery of two metallic cyanoacetylides in IRC+10216: HMgCCCN and NaCCCN;

MCastell2023-07-27T12:21:57+02:00Tags: Astronomy & Astrophysics. |

Authors: Cabezas, C.; Pardo, J. R.; Agundez, M.; Tercero, B.; Marcelino, N.; Endo, Y.; de Vicente, P.; Guelin, M.; Cernicharo, J. Journal: ASTRONOMY & ASTROPHYSICS Publication date: 2023/04/21 DOI: 10.1051/0004-6361/202346462 Abstract: We report on the detection of a series of six lines in the ultra-deep Q-band integration towards IRC +10216 carried out with the Yebes [...]

Topological multimode waveguide QED

MCastell2023-07-27T12:22:00+02:00Tags: Multidisciplinary. , Physics|

Authors: Vega, C.; Porras, D.; Gonzalez-Tudela, A. Journal: PHYSICAL REVIEW RESEARCH Publication date: 2023/04/17 DOI: 10.1103/PhysRevResearch.5.023031 Abstract: Topological insulators feature a number of topologically protected boundary modes linked to the value of their bulk invariant. While in one-dimensional systems the boundary modes are zero dimensional and localized, in two-dimensional topological insulators the boundary modes are [...]

The conformational behavior of N-ethylformamide as observed by rotational spectroscopy and quantum chemistry

MCastell2023-07-27T12:22:16+02:00Tags: Spectroscopy. |

Authors: Cabezas, Carlos; Kawashima, Yoshiyuki; Bermudez, Celina; Usami, Tsuyoshi; Hirota, Eizi; Cernicharo, Jose Journal: SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY Publication date: 2023/04/15 DOI: 10.1016/j.saa.2023.122353 Abstract: A peptide linkage -(C--O)NH- containing molecule, N-ethylformamide, was investigated by rotational spec-troscopy in order to determine the molecular constants of its highest-energy conformer, cis -ac. Its rotational spectrum [...]

A Possible Surviving Companion of the SN Ia in the Galactic SNR G272.2-3.2

MCastell2023-07-27T12:22:03+02:00Tags: Astronomy & Astrophysics. |

Authors: Ruiz-Lapuente, P.; Hernandez, J. I. Gonzalez; Cartier, R.; Boutsia, K.; Figueras, F.; Canal, R.; Galbany, L. Journal: ASTROPHYSICAL JOURNAL Publication date: 2023/04/01 DOI: 10.3847/1538-4357/acad74 Abstract: We use the Gaia EDR3 to explore the Galactic supernova remnant (SNR) G272.2-3.2, produced by the explosion of a Type Ia supernova (SN Ia) about 7500 yr ago, to [...]

Quantum control of tunable-coupling transmons using dynamical invariants of motion

MCastell2023-07-27T12:22:02+02:00Tags: Multidisciplinary. , Quantum Science & Technology; Physics|

Authors: Espinos, H.; Panadero, I; Garcia-Ripoll, J. J.; Torrontegui, E. Journal: QUANTUM SCIENCE AND TECHNOLOGY Publication date: 2023/04/01 DOI: 10.1088/2058-9565/acbed7 Abstract: We analyze the implementation of a fast nonadiabatic CZ gate between two transmon qubits with tunable coupling. The gate control method is based on a theory of dynamical invariants which leads to reduced leakage [...]