Pubs2022 Archivos - Page 3 Of 11 - Instituto De Física Fundamental

Devil’s staircase of topological Peierls insulators and Peierls supersolids

Marcelo Castellanos2023-02-21T13:37:15+01:00Tags: Multidisciplinary. , Physics|

Authors: Chanda, Titas; Gonzalez-Cuadra, Daniel; Lewenstein, Maciej; Tagliacozzo, Luca; Zakrzewski, Jakub Journal: SCIPOST PHYSICS Publication date: 2022/02/01 DOI: 10.21468/SciPostPhys.12.2.076 Abstract: We consider a mixture of ultracold bosonic atoms on a one-dimensional lattice described by the XXZ-Bose-Hubbard model, where the tunneling of one species depends on the spin state of a second deeply trapped species. We [...]

[C II] 158 mu m line emission from Orion A II. Photodissociation region physics

Marcelo Castellanos2023-02-21T13:37:14+01:00Tags: Astronomy & Astrophysics. |

Authors: Pabst, C. H. M.; Goicoechea, J. R.; Hacar, A.; Teyssier, D.; Berne, O.; Wolfire, M. G.; Higgins, R. D.; Chambers, E. T.; Kabanovic, S.; Guesten, R.; Stutzki, J.; Kramer, C.; Tielens, A. G. G. M. Journal: ASTRONOMY & ASTROPHYSICS Publication date: 2022/02/04 DOI: 10.1051/0004-6361/202140805 Abstract: Context. The [C II] 158 mu m fine-structure line [...]

Phase Diagram of 1+1D Abelian-Higgs Model and Its Critical Point

Marcelo Castellanos2023-02-21T13:37:13+01:00Tags: Multidisciplinary. , Physics|

Authors: Chanda, Titas; Lewenstein, Maciej; Zakrzewski, Jakub; Tagliacozzo, Luca Journal: PHYSICAL REVIEW LETTERS Publication date: 2022/02/28 DOI: 10.1103/PhysRevLett.128.090601 Abstract: We determine the phase diagram of the Abelian-Higgs model in one spatial dimension and time (1 + 1D) on a lattice. We identify a line of first order phase transitions separating the Higgs region from the [...]

Methanol Negative Ion Fragmentation Probed in Electron Transfer Experiments

Marcelo Castellanos2023-02-21T13:37:13+01:00Tags: Atomic, Chemistry, Molecular & Chemical. , Physical; Physics|

Authors: Isabel Lozano, Ana; Kumar, Sarvesh; Kerkeni, Boutheina; Garcia, Gustavo; Limao-Vieira, Paulo Journal: JOURNAL OF PHYSICAL CHEMISTRY A Publication date: 2022/02/24 DOI: 10.1021/acs.jpca.1c07588 Abstract: In this contribution, we report a novel comprehensive investigation on negative ion formation from electron transfer processes mediated by neutral potassium atom collisions with neutral methanol molecules employing experimental and theoretical [...]

Absolute total electron detachment and relative ionisation cross sections for O-2 (-) collisions with O-2 in the energy range (10-1500 eV)

Marcelo Castellanos2023-02-21T13:37:12+01:00Tags: Fluids & Plasmas. , Physics|

Authors: Guerra, Carlos; Lozano, Ana, I; Mendes, Monica F.; Kumar, Sarvesh; Oller, Juan C.; Limao-Vieira, Paulo; Garcia, Gustavo Journal: PLASMA SOURCES SCIENCE & TECHNOLOGY Publication date: 2022/03/01 DOI: 10.1088/1361-6595/ac4e22 Abstract: Absolute total electron detachment cross for O-2 (-) collisions with O-2 are reported for impact energies ranging from 10 to 1600 eV as measured with [...]

A Benchmark Protocol for DFT Approaches and Data-Driven Models for Halide-Water Clusters

Marcelo Castellanos2023-02-21T13:37:12+01:00Tags: Biochemistry & Molecular Biology; Chemistry, Multidisciplinary. |

Authors: Rodriguez-Segundo, Raul; Arismendi-Arrieta, Daniel J.; Prosmiti, Rita Journal: MOLECULES Publication date: 2022/03/01 DOI: 10.3390/molecules27051654 Abstract: Dissolved ions in aqueous media are ubiquitous in many physicochemical processes, with a direct impact on research fields, such as chemistry, climate, biology, and industry. Ions play a crucial role in the structure of the surrounding network of water [...]

Detection of the S(1) Rotational Line of H-2 toward IRC+10216: A Simultaneous Measurement of the Mass-loss Rate and CO Abundance

Marcelo Castellanos2023-02-21T13:37:11+01:00Tags: Astronomy & Astrophysics. |

Authors: Fonfria, J. P.; DeWitt, C. N.; Montiel, E. J.; Cernicharo, J.; Richter, M. J. Journal: ASTROPHYSICAL JOURNAL LETTERS Publication date: 2022/03/01 DOI: 10.3847/2041-8213/ac5a58 Abstract: We report the first detection of the S(1) pure rotational line of ortho-H-2 at 17.04 mu m in an asymptotic giant branch star, using observations of IRC+10216 with the Echelon-cross-echelle [...]

Capturing quantum effects with quasi-classical trajectories in the D + H-3(+) -> H2D+ + H reaction

Marcelo Castellanos2023-02-21T13:37:10+01:00Tags: Atomic, Chemistry, Molecular & Chemical. , Physical; Physics|

Authors: Braunstein, Matthew; Bonnet, Laurent; Roncero, Octavio Journal: PHYSICAL CHEMISTRY CHEMICAL PHYSICS Publication date: 2022/03/02 DOI: 10.1039/d1cp04244k Abstract: We present quasi-classical trajectory (QCT) cross sections, rate constants, and product state distributions for the D + H-3(+) -> H2D+ + H reaction. Using the same H-4(+) potential surface, the rate constants obtained from several QCT-based methods [...]

Organic Molecules in Interstellar Space: Latest Advances

Marcelo Castellanos2023-02-21T13:37:10+01:00Tags: Astronomy & Astrophysics. |

Authors: Guelin, Michel; Cernicharo, Jose Journal: FRONTIERS IN ASTRONOMY AND SPACE SCIENCES Publication date: 2022/03/02 DOI: 10.3389/fspas.2022.787567 Abstract: Although first considered as too diluted for the formation of molecules in-situ and too harsh an environment for their survival, the interstellar medium has turned out to host a rich palette of molecular species: to date, 256 [...]

Spin Many-Body Phases in Standard- and Topological-Waveguide QED Simulators

Marcelo Castellanos2023-02-21T13:37:09+01:00Tags: Applied; Physics, Multidisciplinary. , Quantum Science & Technology; Physics|

Authors: Bello, M.; Platero, G.; Gonzalez-Tudela, A. Journal: PRX QUANTUM Publication date: 2022/03/07 DOI: 10.1103/PRXQuantum.3.010336 Abstract: Waveguide QED has emerged as a powerful analog quantum simulator due to the possibility of mediating versatile spin-spin interactions with tunable sign, range, and even dimerization. Yet, despite their potential, the many-body phases emerging from these systems have only [...]