Renormalized energy of ground and first excited state of Fröhlich polaron in the range of weak coupling von Tkach, M.V., Seti, Ju.O., Voitsekhivska, O.M., Pytiuk, O.Yu.

Volltext

Properties and temperature evolution of the spectrum of localized quasi-particles interacting with polarization phonons in two models von Tkach, M.V., Seti, Ju.O., Voitsekhivska, O.M., Pytiuk, O.Yu.

Volltext

Energy spectrum of localized quasiparticles renormalized by multi-phonon processes at finite temperature von Tkach, M.V., Pytiuk, O.Yu., Voitsekhivska, O.M., Seti, Ju.O.

Volltext

Generalized method of Feynman-Pines diagram technique in the theory of energy spectrum of two-level quasiparticle renormalized due to multi-phonon processes at cryogenic temperatur... von Tkach, M.V., Pytiuk, O.Yu., Voitsekhivska, O.M., Seti, Ju.O.

Volltext