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48 258 (0,176s)

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Brillouin-Wigner Perturbation Theory as a Possible More Effective Alternative to Many-Body Rayleigh-Schrödinger Perturbation Theory and Coupled Cluster Theory.

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CF - Fyzikální chemie a teoretická chemie

  • 1995
  • Jx
Result

Brillouin-Wigner Methods for Many-Body Systems

An overview of the many-body problem in atomic and molecular physics and in quantum chemistry is given. Some historical background on the Brillouin-Wigner methodology is presented together with basics derivations of the Rayleigh-Schrödin...

BE - Teoretická fyzika

  • 2010
  • B
Result

Brillouin-Wigner Methods for Many-Body Systems

An overview of the many-body problem in atomic and molecular physics and in quantum chemistry is given. Some historical background on the Brillouin-Wigner methodology is presented together with basis derivations of the Rayleigh-Schröding...

BG - Jaderná, atomová a molekulová fyzika, urychlovače

  • 2010
  • B
Result

Rovibrational Energies of Triatomic Molecules by Means of the Rayleigh-Schrödinger Perturbation Theory.

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CF - Fyzikální chemie a teoretická chemie

  • 2000
  • Jx
Result

Nonadiabatic Corrections for Coupled Oscillators Using Rayleigh-Schrödinger Perturbation Theory of Very High Orders.

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CF - Fyzikální chemie a teoretická chemie

  • 1996
  • Jx
Result

Continuous Transition between Brillouin-Wigner and Rayleigh-Schrödinger Perturbation Theory, Generalized Bloch Equation, and Hilbert Space Multireference Coupled Cluster.

A continuous transition between the Rayleigh-Schrödinger and Brilouin-Wigner perturbation theories is constructed and the Bloch equation for the corresponding wave operator is derived. Subsequently it is applied to...

CF - Fyzikální chemie a teoretická chemie

  • 2003
  • Jx
Result

New version of the Rayleigh-Schrodinger perturbation theory

New version of the Rayleigh-Schrodinger perturbation theory...

BE - Teoretická fyzika

  • 2003
  • Jx
Result

New Version of the Rayleigh-Schrodinger Perturbation Theory : Examples

New Version of the Rayleigh-Schrodinger Perturbation Theory : Examples...

BM - Fyzika pevných látek a magnetismus

  • 2004
  • Jx
Result

Formulations of the closed-shell interactions in endohedral systems

An attempt is made to express the interaction energy in an endohedral A@B system starting from a one-center (r<)l/(r>)l+1 expansion. Electrostatic, induction, and dispersion contributions are obtained from Rayleigh?Schrödinger p...

CF - Fyzikální chemie a teoretická chemie

  • 2010
  • Jx
Result

Many-body Brillouin-Wigner second-order perturbation theory: an application to the autoaromatisation of hex-3-ene-1,5-diyne (the Bergman reaction)

multireference Rayleigh?Schrödinger-like perturbation theory. Calculations are performed formula of second-order many-body perturbation theory, i.e. M?ller?Plesset (MP2The multireference, state s...

BG - Jaderná, atomová a molekulová fyzika, urychlovače

  • 2008
  • Jx
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