Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Effect of Sb substitution on the Topological Surface States in
  Bi_{2}Se_{3} single crystals: a magneto-transport study   Magneto-transport measurements have been carried out on Bi2-xSbxSe3 (x = 0,
0.05, 0.1, 0.3, 0.5) single crystals at 4.2 K temperature in the magnetic field
range of -15 T to 15 T. Shubnikov-de Haas (SdH) oscillations of 2D nature were
observed in samples with Sb concentration upto x = 0.3. The analyses of SdH
oscillations observed in magneto-resistance data using Lifshitz-Kosevich
equation reveal a systematic decrease in the Fermi surface area with Sb
substitution. The Berry phase obtained from the Landau Level fan diagram
suggests the occurrence of 2D oscillations arising from a Topological Surface
State (TSS) for Sb concentrations of x = 0, 0.05 and 0.1; while 2D oscillation
seen at higher Sb concentration is attributed to surface 2D electron gas
consequent to downward band bending.

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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: math-ph
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The categories of this paper are: gr-qc
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The categories of this paper are: stat
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The categories of this paper are: mtrl-th
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The categories of this paper are: q-fin
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The categories of this paper are: patt-sol
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The categories of this paper are: nucl-ex
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The categories of this paper are: hep-ex
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The categories of this paper are: bayes-an
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The categories of this paper are: hep-ph
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The categories of this paper are: acc-phys
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The categories of this paper are: econ
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The categories of this paper are: plasm-ph
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The categories of this paper are: q-alg