Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Mutual synchronization of spin torque nano-oscillators through a
  non-local and tunable electrical coupling   The concept of spin torque driven high frequency magnetization dynamics has
opened up the field of spintronics to non-linear physics, potentially in
complex networks of dynamical systems. In the scarce demonstrations of
synchronized spin-torque oscillators, the local nature of the magnetic coupling
that is used have largely hampered a good understanding and thus the control of
the synchronization process. Here we take advantage of the non-local nature of
an electrical coupling to mutually synchronize spin-torque oscillators through
their self-emitted microwave currents. The control of the synchronized state is
achieved at the nanoscale through two active components of spin transfer
torques, but also externally through an electrical delay line. These additional
levels of control of the synchronization capability provide new approaches to
underlie a large variety of nanoscale collective dynamics in complex networks.

9
The categories of this paper are: nlin
34
The categories of this paper are: chem-ph
5
The categories of this paper are: gr-qc
2
The categories of this paper are: math
29
The categories of this paper are: funct-an
31
The categories of this paper are: ao-sci
7
The categories of this paper are: hep-th
33
The categories of this paper are: plasm-ph
35
The categories of this paper are: mtrl-th
37
The categories of this paper are: supr-con
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The categories of this paper are: bayes-an
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The categories of this paper are: chao-dyn
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The categories of this paper are: hep-lat
0
The categories of this paper are: hep-ph
36
The categories of this paper are: cmp-lg
28
The categories of this paper are: alg-geom