Optical and magneto-optical absorption of negatively charged excitons in three- and two-dimensional semiconductors Export

@article{citeulike:5971241, abstract = {The line shape of the optical and magneto-optical absorption of negatively charged excitons in three- and two-dimensional (2D) semiconductors has been studied. The absorption coefficients have been determined using envelope wave functions obtained by variational means. At zero field; the charged exciton lines are disposed at the low-energy side of the threshold frequency with a rapidly decreasing long tail. In the two-dimensional case; the maximum corresponds to the threshold frequency; while in the 3D case; this maximum is shifted to lower transition energies. The magnetic field gives rise to a Landau quantization of the spectra; which reduces to a series of sharp lines in the two dimensional case.}, author = {St\'{e}b\'{e}, B. and Feddi, E. and Ainane, A. and Dujardin, F.}, citeulike-article-id = {5971241}, citeulike-linkout-0 = {http://dx.doi.org/10.1103/PhysRevB.58.9926}, citeulike-linkout-1 = {http://link.aps.org/abstract/PRB/v58/i15/p9926_1}, citeulike-linkout-2 = {http://link.aps.org/pdf/PRB/v58/i15/p9926_1}, doi = {10.1103/PhysRevB.58.9926}, journal = {Physical Review B}, keywords = {trions}, month = {Oct}, number = {15}, pages = {9926--9932}, posted-at = {2009-10-19 14:15:38}, priority = {2}, publisher = {American Physical Society}, title = {Optical and magneto-optical absorption of negatively charged excitons in three- and two-dimensional semiconductors}, url = {http://dx.doi.org/10.1103/PhysRevB.58.9926}, volume = {58}, year = {1998} }

TY - JOUR ID - citeulike:5971241 L3 - citeulike-article-id:5971241 N2 - The line shape of the optical and magneto-optical absorption of negatively charged excitons in three- and two-dimensional (2D) semiconductors has been studied. The absorption coefficients have been determined using envelope wave functions obtained by variational means. At zero field; the charged exciton lines are disposed at the low-energy side of the threshold frequency with a rapidly decreasing long tail. In the two-dimensional case; the maximum corresponds to the threshold frequency; while in the 3D case; this maximum is shifted to lower transition energies. The magnetic field gives rise to a Landau quantization of the spectra; which reduces to a series of sharp lines in the two dimensional case. IS - 15 JF - Physical Review B EP - 9932 TI - Optical and magneto-optical absorption of negatively charged excitons in three- and two-dimensional semiconductors PB - American Physical Society VL - 58 SP - 9926 KW - trions AU - Stébé, B AU - Feddi, E AU - Ainane, A AU - Dujardin, F PY - 1998/Oct// UR - http://dx.doi.org/10.1103/PhysRevB.58.9926 ER -