Positron interactions with nitrogen and oxygen molecules: elastic, inelastic and total cross sections

2019-12-23T20:19:00+01:00Tags: , , |

Authors: Ellis-Gibbings, Lilian; Blanco, Francisco; Garcia, Gustavo Contribution: Article Journal: EUROPEAN PHYSICAL JOURNAL D Publication date: 2019/12/23 DOI: 10.1140/epjd/e2019-100459-x Abstract: Positron scattering cross sections, used for modelling particle transport in various media, are difficult to gather experimentally. As such, various cross section calculation methods have been developed to varying accuracy. The IAM-SCAR+I method has been improved [...]

Dynamics of H + HeH+(v=0, j=0) -> H-2(+) + He: Insight on the Possible Complex-Forming Behavior of the Reaction

2019-12-12T20:19:00+01:00Tags: , , , |

Authors: Gonzalez-Lezana, Tomas; Bossion, Duncan; Scribano, Yohann; Bhowmick, Somnath; Suleimanov, Yury, V Contribution: Article Journal: JOURNAL OF PHYSICAL CHEMISTRY A Publication date: 2019/12/12 DOI: 10.1021/acs.jpca.9b06122 Abstract: The H + HeH+ -> He + H-2(+) reaction has been studied by means of a combination of theoretical approaches: a statistical quantum method (SQM), ring polymer molecular dynamics (RPMD), [...]

Charge Carrier Injection Electroluminescence with CO-Functionalized Tips on Single Molecular Emitters

2019-12-01T20:19:00+01:00Tags: , , , , , |

Authors: Dolezal, Jiri; Merino, Pablo; Redondo, Jesus; Ondic, Lukas; Cahlik, Ales; Svec, Martin Contribution: Article Journal: NANO LETTERS Publication date: 2019/12/01 DOI: 10.1021/acs.nanolett.9b03180 Abstract: We investigate electroluminescence of single molecular emitters on NaCl on Ag(111) and Au(111) with submolecular resolution in a low-temperature scanning probe microscope with tunneling current, atomic force, and light detection capabilities. The [...]

Interaction of photoionisation and meteoric input in the atmosphere of Jupiter

2019-12-01T20:19:00+01:00Tags: , , |

Authors: Campbell, Laurence; Jones, Darryl B.; White, Ronald D.; Garcia, Gustavo; Ingolfsson, Oddur; Lopes, M. Cristina A.; Brunger, Michael J. Contribution: Article Journal: EUROPEAN PHYSICAL JOURNAL D Publication date: 2019/12/01 DOI: 10.1140/epjd/e2019-100466-y Abstract: Interplanetary dust grains and meteoroids are assumed to deliver oxygen to the atmosphere of Jupiter. A current photochemical model overestimates the resultant density [...]

Floquet-Engineered Vibrational Dynamics in a Two-Dimensional Array of Trapped Ions

2020-01-16T12:54:14+01:00Tags: , |

Authors: Kiefer, Philip; Hakelberg, Frederick; Wittemer, Matthias; Bermudez, Alejandro; Porras, Diego; Warring, Ulrich; Schaetz, Tobias Contribution: Article Journal: PHYSICAL REVIEW LETTERS Publication date: 2019/11/21 DOI: 10.1103/PhysRevLett.123.213605 Abstract: We demonstrate Floquet engineering in a basic yet scalable 2D architecture of individually trapped and controlled ions. Local parametric modulations of detuned trapping potentials steer the strength of long-range [...]

Revisiting the photoabsorption spectrum of NH3 in the 5.4-10.8 eV energy region

2020-01-16T12:54:14+01:00Tags: , , , |

Authors: Limao-Vieira, P.; Jones, N. C.; Hoffmann, S. V.; Duflot, D.; Mendes, M.; Lozano, A. I.; Ferreira da Silva, F.; Garcia, G.; Hoshino, M.; Tanaka, H. Contribution: Article Journal: JOURNAL OF CHEMICAL PHYSICS Publication date: 2019/11/14 DOI: 10.1063/1.5128051 Abstract: We present a comprehensive revisited experimental high-resolution vacuum ultraviolet (VUV) photoabsorption spectrum of ammonia, NH3, covering for [...]

The 3s versus 3p Rydberg state photodissociation dynamics of the ethyl radical

2020-01-24T10:35:50+01:00Tags: , , , |

Authors: Marggi Poullain, Sonia; Chicharro, David V.; Zanchet, Alexandre; Rubio-Lago, Luis; Garcia-Vela, Alberto; Bañares, Luis Contribution: Article Journal: PHYSICAL CHEMISTRY CHEMICAL PHYSICS Publication date: 2019/11/07 DOI: 10.1039/c9cp04273c Abstract: The photodissociation dynamics of the ethyl radical following excitation into the 3s and 3p Rydberg states are revisited in a joint experimental and theoretical study. Two different methods [...]

On the Stability of Cu-5 Catalysts in Air Using Multireference Perturbation Theory

2020-01-24T10:38:01+01:00Tags: , , |

Authors: Zanchet, Alexandre; Lopez-Caballero, Patricia; Mitrushchenkov, Alexander O.; Buceta, David; Arturo Lopez-Quintela, Manuel; Hauser, Andreas W.;  de Lara-Castells, Maria Pilar Contribution: Article Journal: JOURNAL OF PHYSICAL CHEMISTRY C Publication date: 2019/11/07 DOI: 10.1021/acs.jpcc.9b08378 Abstract: An ab initio study of the interaction of O-2, the most abundant radical and oxidant species in the atmosphere, with a Cu-5 [...]

Cold atoms in twisted-bilayer optical potentials

2020-01-16T12:54:15+01:00Tags: , , |

Authors: Gonzalez-Tudela, A.; Cirac, J., I Contribution: Article Journal: PHYSICAL REVIEW A Publication date: 2019/11/06 DOI: 10.1103/PhysRevA.100.053604 Abstract: The possibility of creating crystal bilayers twisted with respect to each other has led to the discovery of a wide range of novel electron correlated phenomena the full understanding of which is still under debate. Here we propose [...]

Shortcuts to adiabaticity: Concepts, methods, and applications

2020-01-16T12:54:15+01:00Tags: , |

Authors: Guery-Odelin, D.; Ruschhaupt, A.; Kiely, A.; Torrontegui, E.; Martinez-Garaot, S.; Muga, J. G. Contribution: Review Journal: REVIEWS OF MODERN PHYSICS Publication date: 2019/10/24 DOI: 10.1103/RevModPhys.91.045001 Abstract: Shortcuts to adiabaticity (STA) are fast routes to the final results of slow, adiabatic changes of the controlling parameters of a system. The shortcuts are designed by a set [...]