Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Pseudo-drag of a polariton superfluid   The drag of half-light half-mater quasiparticles, exciton-polaritons, by an
electric current is a peculiar mechanism of light-matter interaction in solids.
While an ideal superfluid is protected from being dragged by its zero
viscosity, here we argue that the state of the superfluid polariton condensate
formed by a non-resonant optical pumping can be controlled by the electric
current. The proposed mechanism is based on the stimulated relaxation of moving
uncondensed excitons dragged by the electric current. The stimulated relaxation
process favors the formation of a moving condensate in a quantum state that is
characterised by the lowest condensation threshold. We also show that the
electron-mediated inelastic scattering of the reservoir excitons to the
condensate leads to the transfer of a non-zero mean momentum to the electron
gas thus contributing to the electric current. We predict the generation of
circular electric currents in a micropillar cavity in the presence of a
nonresonant laser pumping at normal incidence.

15
The categories of this paper are: nucl-ex
17
The categories of this paper are: q-fin
1
The categories of this paper are: cs
8
The categories of this paper are: hep-ex
19
The categories of this paper are: eess
29
The categories of this paper are: funct-an
18
The categories of this paper are: econ
35
The categories of this paper are: mtrl-th
13
The categories of this paper are: quant-ph
22
The categories of this paper are: chao-dyn
20
The categories of this paper are: acc-phys
2
The categories of this paper are: math
12
The categories of this paper are: nucl-th
0
The categories of this paper are: hep-ph
14
The categories of this paper are: math-ph
5
The categories of this paper are: gr-qc