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Related papers: Selective Bond-Breaking in Formic Acid by Dissocia…

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The mechanism of f-electron delocalization is investigated within the multi-orbital Anderson lattice model by means of diagrammatic perturbation theory from the atomic limit. The derived equations couple the intra-atomic transition…

Strongly Correlated Electrons · Physics 2009-11-07 U. Lundin , I. Sandalov , O. Eriksson , B. Johansson

This account presents author's opinion on the mechanism of the H-abstraction from methane by the [FeO](2+) group. In the course of reaction with hydrogen, the Fe-O bond in the ferryl configuration becomes elongated causing transfer of the…

Chemical Physics · Physics 2018-05-07 Igor L. Zilberberg

Due to the severe self-interaction errors associated with some density functional approximations, conventional density functionals often fail to dissociate the hemibonded structure of water dimer radical cation (H2O)2+ into the correct…

Chemical Physics · Physics 2017-08-23 Piin-Ruey Pan , You-Sheng Lin , Ming-Kang Tsai , Jer-Lai Kuo , Jeng-Da Chai

We report on the realization of a strongly interacting quantum degenerate gas of fermionic atoms in a three-dimensional optical lattice. We prepare a band-insulating state for a two-component Fermi gas with one atom per spin state per…

Other Condensed Matter · Physics 2007-05-23 Michael Köhl , Kenneth Günter , Thilo Stöferle , Henning Moritz , Tilman Esslinger

We have observed three Feshbach resonances in collisions between lithium-6 and sodium-23 atoms. The resonances were identified as narrow loss features when the magnetic field was varied. The molecular states causing these resonances have…

Soft Condensed Matter · Physics 2009-11-10 C. A. Stan , M. W. Zwierlein , C. H. Schunck , S. M. F. Raupach , W. Ketterle

We describe a mechanism by which fermions in topologically trivial bands can form correlated states exhibiting a fractional quantum Hall (FQH) effect upon introduction of strong repulsive interactions. These states are solid-liquid…

Strongly Correlated Electrons · Physics 2018-02-07 Stefanos Kourtis

Feshbach resonances play a vital role in the success of cold atoms investigating strongly-correlated physics. The recent observation of their solid-state analog in the scattering of holes and intralayer excitons in transition metal…

Mesoscale and Nanoscale Physics · Physics 2025-03-11 Marcel Wagner , Rafał Ołdziejewski , Félix Rose , Verena Köder , Clemens Kuhlenkamp , Ataç İmamoğlu , Richard Schmidt

The formation of $O^{-}$ and $O_{2}^{-}$ ions via dissociative electron attachment to a pulsed supersonic jet of $O_{2}$ molecules containing weakly bound small van der Waals clusters seeded in a beam of argon is reported. The energy…

Atomic and Molecular Clusters · Physics 2019-02-15 Irina Jana , Varun Ramaprasad , Dhananjay Nandi

Selective activation and controlled functionalization of C-H bonds in organic molecules is one of the most desirable processes in synthetic chemistry. Despite progress in heterogeneous catalysis using metal surfaces, this goal remains…

Antagonistic salts are composed of hydrophilic and hydrophobic ions. In a mixture solvent (water-oil) such ion pairs are preferentially attracted to water or oil, giving rise to a coupling between the charge density and the composition.…

Soft Condensed Matter · Physics 2016-04-05 Akira Onuki , Shunsuke Yabunaka , Takeaki Araki , Ryuichi Okamoto

We study the breakup of $\text{H}_2^+$ exposed to super-intense, femtosecond laser pulses with frequencies greater than that corresponding to the ionization potential. By solving the time-dependent Schr\"odinger equation in an extensive…

Atomic Physics · Physics 2016-04-12 Lun Yue , Lars Bojer Madsen

Formic acid (HCOOH) and carbon dioxide (CO2) are simple species that have been detected in the interstellar medium. The solid-state formation pathways of these species under experimental conditions relevant to prestellar cores are primarily…

Solar and Stellar Astrophysics · Physics 2019-06-26 D. Qasim , T. Lamberts , J. He , K. -J. Chuang , G. Fedoseev , S. Ioppolo , A. C. A. Boogert , H. Linnartz

The global potential energy surfaces of the first six singlet electronic states of CO$_2$, 1---3$^1/!A'$ and 1---3$^1/!A"$ are constructed using high level ab initio calculations. In linear molecule, they correspond to…

Chemical Physics · Physics 2015-06-15 Sergy Yu. Grebenshchikov

A quantitative theoretical study of the dissociative recombination of SH$^+$ with electrons has been carried out. Multireference, configuration interaction calculations were used to determine accurate potential energy curves for SH$^+$ and…

Instrumentation and Methods for Astrophysics · Physics 2024-05-31 D. O. Kashinski , D. Talbi , A. P. Hickman , O. E. Di Nallo , F. Colboc , K. Chakrabarti , I. F. Schneider , J. Zs Mezei

We consider the long-range states expected for complexes formed from an alkali-metal diatomic molecule in a singlet state and an alkali-metal atom. We explore the structure of the Hamiltonian for such systems, and the couplings between the…

Atomic Physics · Physics 2023-03-13 Matthew D. Frye , Jeremy M. Hutson

We reveal the existence of high-density Feshbach resonances in the collision between the ground and metastable states of $^{171}$Yb and coherently produce the associated Feshbach molecules by photoassociation. The extremely small transition…

Atomic Physics · Physics 2016-02-01 Shintaro Taie , Shunsuke Watanabe , Tomohiro Ichinose , Yoshiro Takahashi

The low-mass protostellar region L1527 is unusual because it contains observable abundances of unsaturated carbon-chain molecules including CnH radicals, H2Cn carbenes, cyanopolyynes, and the negative ions C4H- and C6H-, all of which are…

Astrophysics · Physics 2010-11-11 Nanase Harada , Eric Herbst

We study numerically the effect of on-site Hubbard interaction U between two electrons in the quasiperiodic Harper's equation. In the periodic chain limit by mapping the problem to that of one electron in two dimensions with a diagonal line…

Disordered Systems and Neural Networks · Physics 2009-10-30 S. N. Evangelou , D. E. Katsanos

In order to better understand their potential formation in combustion systems, a detailed kinetic mechanism for the formation of short-chain monocarboxylic acids, formic (HCOOH), acetic (CH3COOH), propionic (C2H5COOH) and propenic…

Chemical Physics · Physics 2009-03-31 Frédérique Battin-Leclerc , A. A. Konnov , J. L. Jaffrezo , M. Legrand

We investigate the dissociation of $H_2^+$ into a proton and a $H^0$ after single ionization with photons of an energy close to the threshold. We find that the $p^+$ and the $H^0$ do not emerge symmetrically in case of the $H_2^+$…