Papers

Andreev billiards

• W. Ihra, M. Leadbeater, J. L. Vega and K. Richter
  Semiclassics of rough and integrable Andreev billiards
  MPI-PKS preprint (available soon)

• W. Ihra, M. Leadbeater and K. Richter
  Signatures of anomalous diffusion in rough Andreev wires
  in preparation

Ionisation of atoms in external fields

• W. Ihra, F. Mota-Furtado and P. F. O'Mahony
  Phys. Rev. A 58, 3884 (1998)
  Ionization of atoms in parallel electric and magnetic fields: The role of classical phase space

Electron- and positron impact ionisation of atoms

• H. Friedrich, W. Ihra and P. Meerwald
  Threshold behaviour of (e,2e) reactions in classical and quantum mechanics
  accepted for publication in Austr. Journal of Physics

• P. Chocian, W. Ihra and P. F. O'Mahony
  Ionization of exotic 3-body Coulomb systems as a tool for probing classical-quantum correspondance
  in preparation

• P. Chocian, W. Ihra and P. F. O'Mahony
  Threshold laws and reaction zone dynamics of the 3-body Coulomb problem
  submitted to Phys. Rev. A

• P. Chocian, W. Ihra and P. F. O'Mahony
  Phys. Rev. A 57, 3583 (1998)
  Semi-classical threshold law when the Wannier exponent diverges

• W. Ihra, F. Mota-Furtado and P. F. O'Mahony
  Phys. Rev. A 55, 4263 (1997)
  Three-particle breakup near threshold when the Wannier exponent diverges

• W. Ihra, J. H. Macek, F. Mota-Furtado and P. F. O'Mahony
  Phys. Rev. Lett. 78, 4027 (1997)
  Threshold law for positron impact ionization of atoms

• W. Ihra, F. Mota-Furtado, P. F. O'Mahony and J. H. Macek
  Phys. Rev. A 55, 3250 (1997)
  Threshold law for the triplet state for electron-impact ionization in the Temkin-Poet model

• J. H. Macek and W. Ihra
  Phys.Rev. A 55, 2024 (1997)
  Threshold law for ionization cross sections in the Temkin-Poet model

• W. Ihra, M. Draeger, G. Handke and H. Friedrich
  Phys. Rev. A 52, 3752 (1995)
  Time-dependent approach to electron-scattering and ionization in the s-wave model

• M. Draeger, G. Handke, W. Ihra and H. Friedrich
  Phys. Rev. A 50, 3793 (1994)
  One-electron and 2-electron excitations of helium in the s-wave model

• G. Handke, M. Draeger, W. Ihra and H. Friedrich
  Phys. Rev. A 48, 3699 (1993)
  Scattering and (e,2e) reactions in classical s-wave helium

• W. Ihra and H. Friedrich
  Phys. Rev. A 45, 5278 (1992)
  Simple local potentials for elastic scattering of electrons by noble-gas atoms

Talks and posters

• Ionization of atoms in external fields: signatures of the classical phase space structure
  Talk given at the Technical University of Munich, 11 November 1998.

• Chaotic ionization of atoms in external fields
  Talk given at the Max-Planck Institut fuer Physik komplexer Systeme in Dresden, 24 April 1998.

• Time-dependent numerical calculations and analytical threshold theory for the Temkin-Poet model
  Talk given at the workshop ``New Developments in Electron-Atom Scattering'' at the Harvard-Smithonian Center for Astrophysics, 24-26 October 1996.

• Threshold laws for ionization cross sections by electron and positron impact
  Talk given at the Euroconference on Coincidence Studies of Electron and Photon Impact Ionization, 5-7 September 1996 in Belfast.

• A time-dependent approach to the (e,2e) threshold problem
  Talk given at the Euroconference ``Coincidence Studies of Electron and Photon Impact Ionization'', from 30 November to 2 December 1995 in Triest.

• Semiclassics in rough Andreev billiards
  Poster presentation at the international workshop ``From Mesoscopic to Microscopic Quantum Transport: New Trends in Theory and Experiment'' at the Max-Planck-Institut fuer Physik komplexer Systeme, 26-27 November 1998 in Dresden.

• Chaotic ionization of atoms in parallel electric and magnetic fields
  Poster presentation at the conference ``Classical Chaos and its Quantum Manifestations'', 16-18 July 1998 in Toulouse.

• Multidimensional dynamical tunneling in external fields
  Poster presentation at the EC Summer School Disordered Systems and Quantum Chaos, 28 July - 1 August 1997 at the Isaac Newton Institute for Mathematical Sciences in Cambridge, UK.

• Positron impact ionization of atoms near threshold
  Poster presentation at the XX International Conference on the Physics of Electronic and Atomic Collisions, 23-29 July 1997 in Vienna.

• Ionization via dynamical tunneling in external fields
  Poster presentation at the 172nd WE-Heraeus seminar ``Atoms and Molecules in Strong External Fields'', 7-11 April 1997 in Bad Honnef.

• Quantum-classical correspondence of top-of-barrier motion
  Progress talk at the spring meeting of the German Physical Society, 3-6 March 1997 in Mainz.

• Three-particle break-up near threshold: What happens when Wannier theory fails?
  Progress talk at the spring meeting of the German Physical Society, 3-6 March 1997 in Mainz.

• Electron impact ionization of hydrogen in the $s$-wave model
  Poster presentation at the 151st WE-Heraeus-Seminar ``From Classical to Quantum Dynamics in Atomic Spectra'' vom 10-13 September 1995 in Freiburg.

• Time-dependent approach to the H (e,2e) reaction
  Poster presentation at the 5th European Conference on Atomic and Molecular Physics, 3-7 April 1995 in Edinburgh.