Electronic properties and polaronic dynamics of semi-Dirac system within ladder approximation

Abstract

We investigate the electronic properties of the semi-Dirac system and its polaronic dynamics when coupled with a fermi bath with quadratic dispersion. The electronic anisotropic transport properties and the semiclassical dynamics of the semi-Dirac system are studied, including the density-of-states, conductivity, transport relaxation rate, specific heat, electrical current denity, and free energy. The attractive polaron formed as the semi-Dirac impurity dressed with the particle-hole excitations in a two-dimensional system are studied both analytically and numerically. The pair propagator, self-energy, spectral function are being detailly calculated and discussed.

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Cited by in corpus (6)

• Electronic properties of the Dirac and Weyl systems with first- and higher-order dispersion in non-Fermi-liquid picture
• Attractive polaron formed in doped nonchiral/chiral parabolic system within ladder approximation
• Attractive polaron in a Dirac system within the ladder approximation
• Composite polaron formed on surface of two-dimensional lattice system in weak coupling regime
• Bipolaron formed through electron-hole excitation
• Fermi-liquid behaviors in three-dimensional polaron system with tunable dispersion