Analytical method for determining quantum well exciton properties in a magnetic field

We develop an analytical approximate method for determining the Bohr radii of Wannier-Mott excitons in thin quantum wells under the influence of magnetic field perpendicular to the quantum well plane. Our hybrid variational-perturbative method allows us to obtain simple closed formulas for exciton binding energies and optical transition rates. We confirm the reliability of our method through exciton-polariton experiments realized in a GaAs/AlAs microcavity with an 8 nm In-x Ga1-xAs quantum well and magnetic field strengths as high as 14 T.


Published in:
Physical Review B, 91, 19, 155307
Year:
2015
Publisher:
College Pk, American Physical Society
ISSN:
1098-0121
Laboratories:




 Record created 2015-05-29, last modified 2018-09-13

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