A variational approach for the two-dimensional magnetopolaron

Erçelebi, Atila
Saqqa, Bassam H.
The problem of a two-dimensional magnetopolaron is investigated on the basis of a variational theory consisting of an adiabatic polaronic wavefunction combined with a perturbative correction by which it is possible to interrelate the strong and weak coupling counterparts of the coupled electron-phonon system. It is seen that the theory conveniently reproduces the desirable asymptotic limits in the different regimes of the problem. Furthermore, it is suggested that a satisfying improvement should be achieved if one adopts a suitably modified coherent phonon state operator which takes into account the fractional admixture of whether the lattice deformation tends to cover the entire Landau orbit or the mean electron position.
Journal of Physics: Condensed Matter


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Citation Formats
A. Erçelebi and B. H. Saqqa, “A variational approach for the two-dimensional magnetopolaron,” Journal of Physics: Condensed Matter, pp. 10081–10087, 1989, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/51706.