Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Anisotropy of spin coherence in high mobility quantum wells with
  arbitrary magnetic fields   We present a theoretical study of the anisotropy of the spin relaxation and
decoherence in typical quantum wells with an arbitrary magnetic field. In such
systems, the orientation of the magnetic field relative to the main
crystallographic directions is crucial, owing to the lack of spin-rotation
symmetry. For typical high mobility samples, relaxation anisotropies in the
motional narrowing limit owing to the interplay of Rashba and Dresselhaus spin
orbit coupling are calculated. We also include the effect of the
cubic-in-momentum terms. Although commonly ignored in literature, the latter
were experimentally evidenced by the observation of strong anisotropy in spin
decoherence measurements by different experimental groups and has long remained
unexplained.

3
The categories of this paper are: physics
18
The categories of this paper are: econ
16
The categories of this paper are: stat
33
The categories of this paper are: plasm-ph
19
The categories of this paper are: eess
21
The categories of this paper are: adap-org
26
The categories of this paper are: bayes-an
10
The categories of this paper are: q-bio
27
The categories of this paper are: comp-gas
20
The categories of this paper are: acc-phys
2
The categories of this paper are: math
13
The categories of this paper are: quant-ph
15
The categories of this paper are: nucl-ex
34
The categories of this paper are: chem-ph
37
The categories of this paper are: supr-con
17
The categories of this paper are: q-fin