Florian Hampe
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View article: Equation-of-Motion Coupled-Cluster Variants in Combination with Perturbative Triples Corrections in Strong Magnetic Fields
Equation-of-Motion Coupled-Cluster Variants in Combination with Perturbative Triples Corrections in Strong Magnetic Fields Open
In this paper, we report on the implementation of the EOM spin-flip (SF), ionization-potential (IP), and electron-affinity (EA) coupled cluster singles doubles (CCSD) methods for atoms and molecules in strong magnetic fields for energies a…
View article: A DZ white dwarf with a 30 MG magnetic field
A DZ white dwarf with a 30 MG magnetic field Open
Magnetic white dwarfs with field strengths below 10 MG are easy to recognize since the Zeeman splitting of spectral lines appears proportional to the magnetic field strength. For fields ≳100 MG, however, transition wavelengths become chaot…
View article: A DZ white dwarf with a 30 MG magnetic field
A DZ white dwarf with a 30 MG magnetic field Open
Magnetic white dwarfs with field strengths below 10 MG are easy to recognise since the Zeeman splitting of spectral lines appears proportional to the magnetic field strength. For fields $\geq 100$ MG, however, transition wavelengths become…
View article: Complex ground-state and excitation energies in coupled-cluster theory
Complex ground-state and excitation energies in coupled-cluster theory Open
Since in coupled-cluster (CC) theory ground-state and excitation energies are eigenvalues of a non-Hermitian matrix, these energies can in principle take on complex values. In this paper we discuss the appearance of complex energy values i…
View article: Erratum: “<i>GW</i> quasiparticle energies of atoms in strong magnetic fields” [J. Chem. Phys. 150, 214112 (2019)]
Erratum: “<i>GW</i> quasiparticle energies of atoms in strong magnetic fields” [J. Chem. Phys. 150, 214112 (2019)] Open
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View article: <i>GW</i> quasiparticle energies of atoms in strong magnetic fields
<i>GW</i> quasiparticle energies of atoms in strong magnetic fields Open
Quasiparticle energies of the atoms H–Ne have been computed in the GW approximation in the presence of strong magnetic fields with field strengths varying from 0 to 0.25 atomic units (0.25 B0=0.25 ℏe−1a0−2≈58 763 T). The GW quasiparticle e…