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67 papers · 1 filter
Relativistic wave equations for interacting massive particles with arbitrary half-intreger spins
J. Niederle, A. G. Nikitin
New formulation of relativistic wave equations (RWE) for massive particles with arbitrary half-integer spins s interacting with external electromagnetic fields are proposed. They a…
Proton transversity and intrinsic motion of the quarks
Petr Zavada
The spin structure of the system of quasifree fermions having total angular momentum is studied in a consistently covariant approach. Within this model the relations betwee…
Implications of analyticity to solution of Schwinger-Dyson equations in Minkowski space
Vladimir Sauli
We review some recent developments in nonperturbative studies of quantum field theory (QFT) using the Schwinger-Dyson equations formulated directly in Minkowski space. We begin wit…
Correlation Effects and Structural Dynamics in the -Pyrochlore Superconductor KOsO
J. Kunes, T. Jeong, W. E. Pickett
Electronic, magnetic, and dynamical properties of the new superconducting -pyrochlore KOsO and related RbOsO and CsOsO compounds are calculated and compa…
Central mode and soft mode behavior in PbMg1/Nb2/3O3 relaxor ferroelectric
S. Kamba, M. Kempa, V. Bovtun +3
The relaxor ferroelectric PbMg1/Nb2/3O3 was investigated by means of broad-band dielectric and Fourier Transform Infrared (FTIR) transmission spectroscopy in the frequency range fr…
Photoemission spectra of many-polaron systems
M. Hohenadler, D. Neuber, W. von der Linden +3
The cross over from low to high carrier densities in a many-polaron system is studied in the framework of the one-dimensional spinless Holstein model, using unbiased numerical meth…