QUANTUM BATTLES 2020
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Day 1: Tunnelling & decoherence

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Tunneling ionization, multielectron polarization and nondipole effects​
 
Lars Bojer Madsen
 
Department of Physics and Astronomy. Aarhus University. Denmark

bojer@phys.au.dk
 
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In strong-field and attosecond physics we face a number of fundamental challenges. I will address two. (i) How to deal with the nonperturbative strong-field driving of a multielectron system? (ii) Now to deal with situations, where standard approximations, like, e.g., the electric dipole approximation breaks down?  Regarding (i), alternative approaches to the ab initio one are needed.  I will discuss (a) tunneling theory based on a new integral formulation and (b) single-active-electron time-dependent Schrödinger-equation models including surprisingly simplifying and accurate multielectron polarization effects. Regarding (ii), I will discuss a strong-field-approximation Hamiltonian that is accurate for intense fields across high and low frequency regimes and which is on a form that can readily be dealt with numerically and analytically. 
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  • Home
  • Virtual Conference 2020
    • Attendees
      • Invited Speakers
      • Combatants
      • List of attendees
    • Programme
      • Structure
      • Scientific Programme
      • Online Social Programme
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    • Contributions
      • Poster Session
      • Contributed Clips
    • Topical Issue & Proceedings
  • Atto Fridays Seminar Series 2021
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