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\documentclass[11pt]{article}

\usepackage{hrms}  %% Page settings, style ... for the HRMS abstract book.

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\title{ATTOSECOND PULSES FOR STUDYING ULTRAFAST ELECTRON DYNAMICS}


\author{\underline{\FirstName A. \LastName L'HUILLIER}}
\address{Physics Department, Lund University}

\usepackage{fancyhdr}
\pagestyle{fancy}
\fancyhead[C]{{\footnotesize \textit{HRMS, 28th Colloquium, Dijon, France,
  Aug. 28 - Sept. 1, 2023}}}
\fancyfoot[C]{}
\renewcommand{\headrulewidth}{0.6pt}
\renewcommand{\footrulewidth}{0.6pt}
\usepackage[colorlinks=true,urlcolor=blue,linkcolor=blue,citecolor=blue]{hyperref}
\voffset -.65 cm

\category {12,15}
\begin{document}

\maketitle  %% This will also build the list of author(s) and addresse(s).
Extreme Ultraviolet light sources based on high-order harmonic generation in gases are now used in many areas of science. The radiation consists of a train of extremely short light bursts, in the 100-attosecond range, allowing for outstanding temporal resolution. 

Attosecond pulses have enabled the study of photoionization of atoms and molecules in a completely new way. Through the availability of a synchronized probe field and interferometric measurements, it has become possible to measure the incredibly small-time delay in photoionization, a concept introduced by E. Wigner in 1955, and the phase change of an electron wavepacket across a Fano resonance. Recently, the use of a bicolor probe field has allowed us to perform the quantum state tomography of a photoelectron. 


\end{document}
