Research

Excitonic polaritons in transverse magnetic fields


Reference:

Loginov, D. K., Kochereshko, V. P., Cox, R. T., Besombes, L., Mariette, H., Davies, J. J., Wolverson, D. and Smith, L. C., 2010. Excitonic polaritons in transverse magnetic fields. Physica Status Solidi B-Basic Solid State Physics, 247 (6), pp. 1528-1530.

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Official URL:

http://dx.doi.org/10.1002/pssb.200983188

Abstract

Exciton-polariton reflectivity of wide CdTe/CdZnTe quantum-wells (with well widths exceeding by far the exciton Bohr radius) was measured in the Voigt geometry in a magnetic field. In a magnetic field, forbidden exciton lines were observed to appear for each exciton quantization level. The exciton diamagnetic shift constant was observed to decrease noticeably with increasing quantum number of the confined level. A comparison of calculated with experimental spectra reveals a growth of the exciton translational mass with increasing magnetic field. It has been shown that both the growth of mass and the decrease of the diamagnetic shift can be traced to mixing between exciton internal and translational motion states.

Details

Item Type Articles
CreatorsLoginov, D. K., Kochereshko, V. P., Cox, R. T., Besombes, L., Mariette, H., Davies, J. J., Wolverson, D. and Smith, L. C.
DOI10.1002/pssb.200983188
Uncontrolled Keywordsquantum wells, exciton-polariton reflectivity, ii-vi semiconductors
DepartmentsFaculty of Science > Physics
RefereedYes
StatusPublished
ID Code19730

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