B. Gerlach

EXCITON BINDING ENERGY IN A QUANTUM WELL

We consider a model describing the one-dimensional confinement of an exciton in a symmetrical, rectangular quantum-well structure and derive upper and lower bounds for the binding energy

Strong-coupling limit of polaron energy, revisited

E_b

Explicit evaluation of certain Gaussian functional integrals arising in problems of statistical physics

of the exciton. Based on these bounds, we study the dependence of

Mean parameter model for the Pekar-Fröhlich polaron in a multilayered heterostructure

E_b

Feynman’s Approach to the Polaron Problem Generalized to Arbitrary Quadratic Actions

on the width of the confining potential with a higher accuracy than previous reports. For an infinitely deep potential the binding energy varies as expected from

Polaronic versus bare excitons: A functional-integration approach to the exciton-phonon problem

1 Ry

General Aspects of the Functional-Integral Approach to the Polaron and Related Systems

at large widths to

Asymptotics of Polaron Energy Via Brownian Motion Theory

4 Ry

Analytical properties of polaron systems or: Do polaronic phase transitions exist or not?

at small widths. For a finite potential, but without consideration of a mass mismatch or a dielectric mismatch, we substantiate earlier results that the binding energy approaches the value

Proof of the nonexistence of (formal) phase transitions in polaron systems. I.

1 Ry