English
Related papers

Related papers: ExoMol molecular line lists -- XXXVII: spectra of …

200 papers

Ethylene glycol in its ground conformation has tunneling transition with the frequency about 7 GHz. This leads to a rather complicated tunneling-rotational spectrum. Because tunneling and rotational energies have different dependence on the…

Atomic Physics · Physics 2015-06-18 A. V. Viatkina , M. G. Kozlov

We present observations of the four 2 Pi 3/2 J = 3/2 ground-rotational state transitions of the hydroxyl molecule (OH) along 107 lines of sight both in and out of the Galactic plane: 92 sets of observations from the Arecibo telescope and 15…

The young (23 Myr) nearby (19.4 pc) star $\beta$ Pictoris hosts an edge-on debris disk with two gas giant exoplanets in orbit around it. Many transient absorption features have been detected in the rotationally broadened stellar lines,…

Earth and Planetary Astrophysics · Physics 2025-04-22 M. A. Kenworthy , E. de Mooij , A. Brandeker , C. Opitom , F. Kiefer , A. Fitzsimmons

We describe a theoretical and computational approach to calculate the vibrational, elastic, and thermal properties of materials from the low-temperature quantum regime to the high-temperature anharmonic regime. This approach is based on…

Materials Science · Physics 2024-09-20 Dylan A. Folkner , Zekun Chen , Giuseppe Barbalinardo , Florian Knoop , Davide Donadio

Monolayer transition metal dichalcogenides feature Coulomb-bound electron-hole pairs (excitons) with exceptionally large binding energy and coupled spin and valley degrees of freedom. These unique attributes have been leveraged for…

Accurate $EF{}^1\Sigma^+_g-X{}^1\Sigma^+_g$ transition energies in molecular hydrogen were determined for transitions originating from levels with highly-excited vibrational quantum number, $v=11$, in the ground electronic state.…

Atomic Physics · Physics 2016-09-23 T. Madhu Trivikram , M. L. Niu , P. Wcisło , W. Ubachs , E. J. Salumbides

The photoelectron spectrum of water has been recorded in the vicinity of the ${\mathrm {\tilde A^+}}$ $\leftarrow$ $\tilde{\mathrm{X}}$ transition between 112 000 and 116 000 cm$^{-1}$ (13.89-14.38 eV). The high-resolution allowed the…

Chemical Physics · Physics 2017-05-03 Clément Lauzin , Bérenger Gans , Frédéric Merkt

Excitonic superfluidity in double phosphorene monolayers is investigated using the BCS mean-field equations. Highly anisotropic superfluidity is predicted where we found that the maximum superfluid gap is in the BEC regime along the…

Mesoscale and Nanoscale Physics · Physics 2018-05-23 S. Saberi-Pouya , M. Zarenia , A. Perali , T. Vazifehshenas , F. M. Peeters

Results for energy levels, radiative rates and electron impact excitation (effective) collision strengths for transitions in Be-like Cl XIV, K XVI and Ge XXIX are reported. For the calculations of energy levels and radiative rates the…

Solar and Stellar Astrophysics · Physics 2015-06-22 K. M. Aggarwal , F. P. Keenan

We present comprehensive experimental line lists of methane (CH4) at high temperatures obtained by recording Fourier transform infrared emission spectra. Calibrated line lists are presented for the temperatures 300 - 1400 degC at twelve 100…

Instrumentation and Methods for Astrophysics · Physics 2013-08-23 R. J. Hargreaves , C. A. Beale , L. Michaux , M. Irfan , P. F. Bernath

We report accurate laboratory measurements of selected methanol transition frequencies between 0.834 and 230 GHz in order to facilitate astronomical velocity analyses. New data have been obtained between 10 and 27 GHz and between 60 and 119…

Astrophysics · Physics 2011-03-02 H. S. P. Mueller , K. M. Menten , H. Maeder

We update the ephemerides of 16 transiting exoplanets using our ground-based observations, new TESS data, and previously published observations including those of amateur astronomers. All these light curves were modeled by making use of a…

We present Submillimeter Array (SMA) molecular line observations in two 2 GHz-wide bands centered at 217.5 and 227.5 GHz, toward the massive star forming region W51 North. We identified 84 molecular line transitions from 17 species and…

Astrophysics of Galaxies · Physics 2015-11-18 Jialei Rong , Sheng-Li Qin , Luis A. Zapata , Yuefang Wu , Tie Liu , Chengpeng Zhang , Yaping Peng , Li Zhang , Ying Liu

A theory of anyon excitons consisting of a valence hole and three quasielectrons with electric charges $(-e/3)$ is presented. A full symmetry classification of the $k=0$ states is given, where $k$ is the exciton momentum. The energy levels…

Condensed Matter · Physics 2016-08-08 M. E. Portnoi , E. I. Rashba

Astronomical observations of (sub)millimeter wavelength pure rotational emission lines of the second most abundant molecule in the Universe, CO, hold the promise of probing regions of high temperature and density in the innermost parts of…

Astrophysics of Galaxies · Physics 2011-12-02 R. Gendriesch , F. Lewen , G. Klapper , K. M. Menten , G. Winnewisser , J. A. Coxon , H. S. P. Müller

Dynamos driven by rotating convection in the plane layer geometry are investigated numerically for a range of Ekman number ($E$), magnetic Prandtl number ($Pm$) and Rayleigh number ($Ra$). The primary purpose of the investigation is to…

Fluid Dynamics · Physics 2022-11-23 Ming Yan , Michael A. Calkins

One of the leading candidates for dark matter is axion or axion-like particle in a form of Bose-Einstein condensate (BEC). In this paper, we present an analysis of 17 high-resolution galactic rotation curves from "The H{\footnotesize I}…

Astrophysics of Galaxies · Physics 2014-08-04 Ming-Hua Li , Zhi-Bing Li

This work presents the bound-state spectra of Morse oscillator, which remains one of the oldest important model potentials for molecules. Accurate ro-vibrational energies are obtained by means of a generalized pseudospectral method that…

Quantum Physics · Physics 2013-07-19 Amlan K. Roy

An extensive set of fine structure levels and corresponding transition probabilities for allowed and forbidden transitions in Fe XVII is presented. A total of 490 bound energy levels of Fe XVII of total angular momenta 0 <= J <= 7 of even…

Astrophysics · Physics 2011-05-23 Sultana N. Nahar , Werner Eissner , Guo-Xin Chen , Anil K. Pradhan

The two-state molecular orbital model of the one-dimensional phenyl-based semiconductors is applied to poly(p-phenylene vinylene). The energies of the low-lying excited states are calculated using the density matrix renormalization group…

Condensed Matter · Physics 2009-10-31 Mikhail Yu. Lavrentiev , William Barford , Simon J. Martin , Helen Daly , Robert J. Bursill