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Related papers: A Computed Room Temperature Line List for Phosphin…

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A new phosphorous mononitride (${}^{31}$P${}^{14}$N, ${}^{31}$P${}^{15}$N) line list PaiN covering infrared, visible and ultraviolet regions is presented. The PaiN line list extending to the $A\,{}^{1}\Pi$ -- $X\,{}^{1}\Sigma^{+}$ vibronic…

Earth and Planetary Astrophysics · Physics 2024-10-25 Mikhail Semenov , Nayla El-Kork , Sergei N. Yurchenko , Jonathan Tennyson

Accurate line lists are calculated for aluminium monoxide covering the pure rotation, rotation-vibration and electronic (B -- X blue-green and A -- X infrared bands) spectrum. Line lists are presented for the main isotopologue,…

Astrophysics of Galaxies · Physics 2015-04-14 Andrei T. Patrascu , Sergei N. Yurchenko , Jonathan Tennyson

Resonant vibrational and rotation-vibration excitation cross sections for electron-CO scattering are calculated in the 0-10 eV energy range for all 81 vibrational states of CO, assuming that the excitation occur via the 2{\Pi} shape…

Chemical Physics · Physics 2012-08-14 V. Laporta , C. M. Cassidy , J. Tennyson , R. Celiberto

The thermal characteristics of silicon between 15 and 300 deg K are investigated by applying a computer program on the solution of the differential heat diffusion equation. The computer model is linked to high-purity silicon through a set…

Materials Science · Physics 2007-08-31 H. Diedrich , R. Liberati

We compute the shift of the transition temperature for a homogenous weakly interacting Bose gas in leading order in the scattering length a for given particle density n. Using variational perturbation theory through six loops in a classical…

Statistical Mechanics · Physics 2007-05-23 Boris Kastening

A discharge of nitrogen gas, as created in a microwave-induced plasma, exhibits a very dense molecular emission line spectrum. Emission spectra of this kind could serve as wavelength calibrators for high-resolution astrophysical…

Instrumentation and Methods for Astrophysics · Physics 2015-10-07 A. Boesch , A. Reiners

The potential-energy and quadrupole-moment functions of the H$_2$ ground electronic state are well known in literature (Komasa et al., 2019; Wolniewicz et al., 1998), and the line list of the vibrational-rotational transitions was…

Chemical Physics · Physics 2023-08-22 V. G. Ushakov , S. A. Balashev , E. S. Medvedev

Raman scattering in relaxor ferroelectric PbMg1/3Ta2/3O3 (PMT) was investigated in the single crystalline form in the temperature range of 20 - 295 K. Anomalous temperature dependence of the integrated intensity and the Raman line contours…

Materials Science · Physics 2007-05-23 S. G. Lushnikov , S. N. Gvasaliya , R. S. Katiyar

Previously-unexplored diagnostics of O IV in the extreme ultraviolet region 260-280 A are used to derive a temperature and density for a solar flare kernel observed on 2012 March 9 with the Extreme ultraviolet Imaging Spectrometer on the…

Solar and Stellar Astrophysics · Physics 2024-01-24 Peter R. Young

The non-linear dynamics of large ion clouds ($N \geq 256 $ ions) trapped in radio-frequency traps and coupled to laser-cooling give rise to a bistable behaviour of the temperature. Numerical simulations of the free evolution of a large…

Atomic Physics · Physics 2023-07-31 Adrien Poindron , Jofre Pedregosa-Gutierrez , Caroline Champenois

We studied the isotropic Compton profile of the prototypical oxide VO$_2$ across the temperature induced electronic and structural phase transition at T$_C$ $\approx$ 340 K. We show that the phase transition leaves an observable signal,…

Strongly Correlated Electrons · Physics 2018-10-17 Kari O. Ruotsalainen , Juho Inkinen , Tuomas Pylkkänen , Thomas Buslaps , Mikko Hakala , Keijo Hämäläinen , Simo Huotari

Under heating, $\alpha$-AlF$_3$ undergoes a structural phase transition from rhombohedral to cubic at temperature $T$ around 730 K. The density functional method is used to examine the $T$=0 energy surface in the structural parameter space,…

Materials Science · Physics 2009-11-10 Yiing-Rei Chen , Vasili Perebeinos , Philip B. Allen

We present detailed calculations at the basis of our recent proposal for simultaneous cooling the rotational, vibrational and external molecular degrees of freedom. In this method, the molecular rovibronic states are coupled by an intense…

Quantum Physics · Physics 2007-12-10 Markus Kowalewski , Giovanna Morigi , Pepijn W. H. Pinkse , Regina de Vivie-Riedle

A line list of vibration-rotation transitions for 13C substituted HCN is presented. The line list is constructed using known experimental levels where available, calculated levels and ab initio line intensities originally calculated for the…

Astrophysics · Physics 2009-11-13 G. J. Harris , F. C. Larner , J. Tennyson , B. M. Kaminsky , Ya. V. Pavlenko , H. R. A. Jones

A fast optical spectroscopic method for determination rotational ($T_{rot}$) and vibrational ($T_{vib}$) temperatures in two-temperature Boltzmann distribution of the excited state by using machine learning approach is presented. The method…

Thermoelectric devices that utilize the Seebeck effect convert heat flow into electrical energy and are highly desirable for the development of portable, solid state, passively-powered electronic systems. The conversion efficiencies of such…

Materials Science · Physics 2015-01-06 Ruixiang Fei , Alireza Faghaninia , Ryan Soklaski , Jia-An Yan , Cynthia Lo , Li Yang

We study the vicinal surface with adsorption below the roughening temperature, using the restricted solid-on-solid model coupled with the Ising model. We calculate the step tension $\gamma$ and the step-interaction coefficient $B$ by…

Statistical Mechanics · Physics 2007-05-23 Noriko Akutsu , Yasuhiro Akutsu , Takao Yamamoto

The first three-dimensional, nonlinear gyrokinetic simulation of plasma turbulence resolving scales from the ion to electron gyroradius with a realistic mass ratio is presented, where all damping is provided by resolved physical mechanisms.…

Optical emission spectroscopy applied to non-equilibrium plasmas in molecular gases can give important information on basic plasma parameters, including the rotational, vibrational temperatures and densities of the investigated radiative…

Plasma Physics · Physics 2017-08-02 Jan Voráč , Petr Synek , Vojtěch Procházka , Tomáš Hoder

The rotationally resolved spectrum of the A ^1Pi_u <- X ^1Sigma^+_g 000-000 transition of C3, centered at 4051.6A, has been observed along 10 translucent lines of sight. To interpret these spectra, a new method for the determination of…

Astrophysics · Physics 2009-11-07 Mate Adamkovics , Geoffrey A. Blake , Benjamin J. McCall
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