Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Anomalous phase shift of Shubnikov - de Haas oscillations in HgTe
  quantum well with inverted energy spectrum   The results of the longitudinal and Hall magnetoresistivity measurements in
the Shubnikov - de Haas oscillation regime for the HgCdTe/HgTe/HgCdTe
heterostructures with a wide (20.3 nm) HgTe quantum well are presented. An
anomalous phase shift of magneto-oscillations is detected: in the region of
spin-unsplit peaks the longitudinal resistivity maxima are located at even
filling factor numbers in contradiction with a conventional situation in 2D
systems. It is shown that the observed features are associated with the
inverted nature of the spectrum in the investigated quantum well with the
electron-type conduction along the size-quantized subband H1 of HgTe band
{\Gamma}8, for which the spin splitting is comparable to (and even greater
than) the orbital one. The results obtained are compared with the phase shift
effects of both magneto-oscillations and the plateau of the quantum Hall effect
in monolayer graphene.

12
The categories of this paper are: nucl-th
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The categories of this paper are: hep-lat
13
The categories of this paper are: quant-ph
18
The categories of this paper are: econ
37
The categories of this paper are: supr-con
15
The categories of this paper are: nucl-ex
5
The categories of this paper are: gr-qc
16
The categories of this paper are: stat
31
The categories of this paper are: ao-sci
0
The categories of this paper are: hep-ph
3
The categories of this paper are: physics
33
The categories of this paper are: plasm-ph
1
The categories of this paper are: cs
26
The categories of this paper are: bayes-an
34
The categories of this paper are: chem-ph
6
The categories of this paper are: astro-ph