Excitonic polaritons in transverse magnetic fields
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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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.
|Creators||Loginov, D. K., Kochereshko, V. P., Cox, R. T., Besombes, L., Mariette, H., Davies, J. J., Wolverson, D. and Smith, L. C.|
|Uncontrolled Keywords||quantum wells,exciton-polariton reflectivity,ii-vi semiconductors|
|Departments||Faculty of Science > Physics|
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