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Analytical calculation of cold-atom scattering

- V. Flambaum, G. Gribakin, C. Harabati
- Physics
- 1 March 1999

The character of the interaction between atoms in verylow-energy collisions is determined by the sign and magnitude of the atom-atom scattering length a. Negative a mean attraction, and positive a… Expand

Limits on violations of Lorentz symmetry and the Einstein equivalence principle using radio-frequency spectroscopy of atomic dysprosium.

- M. Hohensee, N. Leefer, D. Budker, C. Harabati, V. Dzuba, V. Flambaum
- PhysicsPhysical review letters
- 11 March 2013

TLDR

Relations between matrix elements of different weak interactions and interpretation of the parity-nonconserving and electron electric-dipole-moment measurements in atoms and molecules

- V. Dzuba, V. Flambaum, C. Harabati
- Physics
- 14 November 2011

The relations between matrix elements of different ($P$,$T$)-odd weak interactions are derived. We demonstrate that similar relations hold for parity-nonconserving transition amplitudes and electron… Expand

Long-time and unitary properties of semiclassical initial value representations.

- C. Harabati, J. Rost, F. Grossmann
- PhysicsThe Journal of chemical physics
- 10 September 2003

TLDR

Electron recombination, photoionization, and scattering via many-electron compound resonances

- V. Dzuba, V. Flambaum, G. Gribakin, C. Harabati, M. Kozlov
- Physics
- 4 November 2013

Highly excited eigenstates of atoms and ions with open f shell are chaotic superpositions of thousands, or even millions, of Hartree-Fock determinant states. The interaction between dielectronic and… Expand

Electron recombination with multicharged ions via chaotic many-electron states

- J. Berengut, V. Flambaum, V. Dzuba, G. Gribakin, C. Harabati, M. Kozlov
- Physics
- 12 June 2001

Electron recombination with multicharged ions that have open f shells (e.g. Au25+ and W20+) is dominated by chaotic many-electron resonances. They cause the fluorescence yield to dominate entirely at… Expand

Calculation of positron binding to silver and gold atoms

- V. Dzuba, V. Flambaum, C. Harabati
- Physics
- 25 January 2000

Positron binding to silver and gold atoms was studied using a fully ab initio relativistic method, which combines the configuration-interaction method with many-body perturbation theory. It was found… Expand

Calculation of the positron bound state with the copper atom

- V. Dzuba, V. Flambaum, G. Gribakin, C. Harabati
- Physics
- 24 June 1999

A relativistic method for the calculation of positron binding to atoms is presented. The method combines a configuration-interaction treatment of the valence electron and the positron, with a… Expand

Combining configuration interaction with perturbation theory for atoms with a large number of valence electrons

- V. Dzuba, J. Berengut, C. Harabati, V. Flambaum
- Chemistry, Physics
- 1 November 2016

A version of the configuration interaction (CI) method is developed which treats highly excited many-electron basis states perturbatively, so that their inclusion does not affect the size of the CI… Expand

Semiclassical initial value calculations of the collinear helium atom.

- C. Harabati, K. Kay
- PhysicsThe Journal of chemical physics
- 26 April 2007

Semiclassical calculations using the Herman-Kluk initial value treatment are performed to determine energy eigenvalues of bound and resonance states of the collinear helium atom. Both the eZe… Expand

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