Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Temperature Effects on Exciton and Trion States in CdTe Quantum Well
  Structures   We study the temperature-dependent modifications of trion and exciton
photoluminescence (PL) spectra in modulation-doped CdTe/CdMgTe quantum wells in
high magnetic field. We find that, in magnetic field, the temperature-dependent
redistribution of exciton and trion PL intensities is opposite to that expected
from a simple Boltzmann distribution model. Solving a system of rate equations
that describe the exciton-trion energy levels, we calculate the temperature
dependence of the exciton and trion PL intensities. The calculations show good
agreement with the experimental data.

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The categories of this paper are: q-fin
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The categories of this paper are: nlin
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The categories of this paper are: hep-th
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The categories of this paper are: physics
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The categories of this paper are: hep-ex
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The categories of this paper are: math-ph
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The categories of this paper are: bayes-an
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The categories of this paper are: hep-lat
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The categories of this paper are: chao-dyn
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The categories of this paper are: comp-gas
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The categories of this paper are: patt-sol
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The categories of this paper are: ao-sci
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The categories of this paper are: hep-ph
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The categories of this paper are: eess
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The categories of this paper are: mtrl-th
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The categories of this paper are: funct-an