Theory of Nonlinear Propagation of High Harmonics Generated in a Gaseous Medium establishes the theoretical tools to study High-Order Harmonic Generation (HHG) by intense ultrafast infrared lasers in atoms and molecules. The macroscopic propagation of both laser and high-harmonic fields is taken into account by solving Maxwell's wave equations, while the single-atom or single-molecule response is treated with a quantitative rescattering theory by solving the time-dependent Schrodinger equation. This book demonstrates for the first time that observed experimental HHG spectra of atoms and molecules can be accurately reproduced theoretically when precise experimental conditions are known. The macroscopic HHG can be expressed as a product of a macroscopic wave packet and a photorecombination cross section, where the former depends on laser and experimental conditions while the latter is the property of target atoms or molecules. The factorization makes it possible to retrieve microscopically atomic or molecular structure information from the measured macroscopic HHG spectra. This book also investigates other important issues about HHG, such as contributions from multiple molecular orbitals, the minimum in the HHG spectrum, the spatial mode of laser beams, and the generation of an isolated attosecond pulse. Additionally, this book presents the photoelectron angular distribution of aligned molecules ionized by the HHG light.
From prolific Irish artist, Mary Murphy, comes a stunning Irish language picture book that will evoke lots of giggles, gurgles and smiles - not to mention kisses - from little babies! Prestigious poet and translator, Gabriel Rosenstock, captures in Irish all the fun, fizz and warmth of Mary Murphy's picture book words in this young, interactive title all about...kissing! Did you know that a giraffe kiss is gentle and tall...like this! *Mwaaaah!* Then there are kisses that are quick and small...others are fizzy and bubbly...some are even long and tooty-tooty! There are SO many different types of kisses, just turn the page to see! This split-page book, with its cast of loveable, cuddly-looking parent-and-child animals is the perfect gift for a new baby or a young family who wish to encourage a love of the Irish language in their child. Pog Mar Seo will be the ninth title translated into Irish for the Walker Eireann list, an initiative which celebrates Walker Book's Irish writers and illustrators, creating perfect books for children. It is a standout, young novelty book with split-pages throughout and a stunning finale spread with glitter foil across the page. Walker Eireann - leabhair le laimhseail go gramhar, i dteanga do chroi.
You know it's inside you, that kid you once knew,
LAUGH! and let it all go...
You can't fool me, I see that giggle. The child inside you wants to wiggle.
Tu sabes que esta dentro de ti, ese nino que conociste algun dia
Riete! Y suelta todo...
No me puedes enganar, veo esa sonrisa. El nino dentro de ti
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