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We report the first spectroscopic detection of ethyl cyanide (C$_2$H$_5$CN) in Titan's atmosphere, obtained using spectrally and spatially resolved observations of multiple emission lines with the Atacama Large Millimeter/submillimeter…

Due to the similar physical and chemical properties, isotopes are usually hard to separate. On the other hand, the isotope shifts are very well separated in a high-resolution spectrum, making them possible to be addressed individually by…

Atomic Physics · Physics 2022-01-25 Zixuan Zeng , Shangjin Li , Bo Yan

I review the theoretical motivation for the axion and present an update of the experimental status of axion searches. I finally comment on some aspects of the physics of axion-like particles.

High Energy Physics - Phenomenology · Physics 2009-11-07 Eduard Masso

This is an elementary review of the history and physics of neutrinos. The story of the discovery of neutrino mass through neutrino oscillations is described in some detail. Experiments on solar neutrinos and atmospheric neutrinos played an…

Popular Physics · Physics 2016-10-17 G Rajasekaran

How did star formation begin in the universe? Some of the questions addressed at this first meeting on "The First Stars" are summarized here from a theoretical perspective, and some brief comments are made on what we may have learned so…

Astrophysics · Physics 2009-10-31 Richard B. Larson

Strontium titanate (STO) possesses promising properties for applications in thermoelectricity, catalysis, fuel cells, and more, but its performance is highly dependent on stoichiometry and impurity levels. While atom probe tomography (APT)…

Materials Science · Physics 2025-01-22 J. E. Rybak , J. Arlt , B. Gault , C. A. Volkert

We report the observation of a Bose Einstein condensate in a bosonic isotope of ytterbium (170Yb). More than 10^6 atoms are trapped in a crossed optical dipole trap and cooled by evaporation. Condensates of approximately 10^4 atoms have…

Other Condensed Matter · Physics 2007-11-16 Takeshi Fukuhara , Seiji Sugawa , Yoshiro Takahashi

The first examples of exceptional terminal singularities are constructed.

Algebraic Geometry · Mathematics 2007-05-23 S. A. Kudryavtsev

The isotopic composition, for example, 14C/12C, 13C/12C, 2H/1H, 15N/14N and 18O/16O, of the elements of matter is heterogeneous. It is ruled by physical, chemical and biological mechanisms. Isotopes can be employed to follow the fate of…

Biomolecules · Quantitative Biology 2007-09-27 Eric Lichtfouse

We live in an exoplanet revolution, with more than 5,000 exoplanets detected to date. Our ability to characterise individual exoplanets is constantly improving, with exquisite mass and radius measurements for an ever-growing sample of…

Earth and Planetary Astrophysics · Physics 2024-09-23 Amy Bonsor

We update the hints of the existence of sterile neutrinos.

High Energy Physics - Phenomenology · Physics 2015-06-18 Boris Kayser

The results of the quantitative investigations of the renormalization of the absorption edge of different compounds by the isotope effect are described.

Materials Science · Physics 2009-11-13 V. G. Plekhanov , N. V. Plekhanov

We report on the optimized production of a Bose-Einstein condensate of cesium atoms using an optical trapping approach. Based on an improved trap loading and evaporation scheme we obtain more than $10^5$ atoms in the condensed phase. To…

Other Condensed Matter · Physics 2007-05-23 Tobias Kraemer , Jens Herbig , Michael Mark , Tino Weber , Cheng Chin , Hanns-Christoph Naegerl , Rudolf Grimm

This is an overview article on finite type invariants, written for the Encyclopedia of Mathematical Physics

Geometric Topology · Mathematics 2007-05-23 Dror Bar-Natan

In this review, the authors present a summary of experimental reports on newly discovered iron-based superconductors as they were known at the end of 2008. At the same time, this paper is intended to be useful for experimenters to know the…

Superconductivity · Physics 2009-06-12 Kenji Ishida , Yusuke Nakai , Hideo Hosono

Ultraviolet spectra of stars recorded by orbiting observatories since the 1970's have revealed absorption features produced by atoms in their favored ionization stages in the neutral ISM of our Galaxy. Most elements show abundances relative…

Astrophysics of Galaxies · Physics 2014-02-20 Edward B. Jenkins

We present an accurate ab initio method of calculating transition energies and isotope shifts in the 3d-transition metals. It extends previous work that combines the configuration-interaction calculation with many-body perturbation theory…

Atomic Physics · Physics 2009-11-13 J. C. Berengut , V. V. Flambaum , M. G. Kozlov

We propose and analyze experiments to test distinguishability and determinism in atoms. As a first step, we consider experiments to test if atoms are distinguishable from each other due to small differences in the nuclear magnetic moment.…

Quantum Physics · Physics 2025-11-11 Mark G. Raizen

Abundances of lithium, heavy elements and carbon isotope ratios have been derived in 12 J-type galactic carbon stars. The abundance analysis shows that in these stars the abundances of s-process elements with respect to the metallicity are…

Astrophysics · Physics 2007-05-23 Carlos Abia , Jordi Isern