Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Indirect Chiral Magnetic Exchange through
  Dzyaloshinskii-Moriya--Enhanced RKKY Interactions in Manganese Oxide Chains
  on Ir(100)   Ruderman-Kittel-Kasuya-Yosida interaction even if their wave functions lack
direct overlap. Theory predicts that spin-orbit scattering leads to a
Dzyaloshinskii-Moriya type enhancement of this indirect exchange interaction,
giving rise to chiral exchange terms. Here we present a combined spin-polarized
scanning tunneling microscopy, angle-resolved photoemission, and density
functional theory study of MnO$_2$ chains on Ir(100). Whereas we find
antiferromagnetic Mn--Mn coupling along the chain, the inter-chain coupling
across the non-magnetic Ir substrate turns out to be chiral with a
$120^{\circ}$ rotation between adjacent MnO$_2$ chains. Calculations reveal
that the Dzyaloshinskii-Moriya interaction results in spin spirals with a
periodicity in agreement with experiment. Our findings confirm the existence of
indirect chiral magnetic exchange, potentially giving rise to exotic phenomena,
such as chiral spin-liquid states in spin ice systems or the emergence of new
quasiparticles.

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The categories of this paper are: q-fin
35
The categories of this paper are: mtrl-th
2
The categories of this paper are: math
15
The categories of this paper are: nucl-ex
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The categories of this paper are: nucl-th
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The categories of this paper are: hep-lat
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The categories of this paper are: hep-th
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The categories of this paper are: econ
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The categories of this paper are: acc-phys
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The categories of this paper are: funct-an
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The categories of this paper are: stat
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The categories of this paper are: astro-ph
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The categories of this paper are: dg-ga
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The categories of this paper are: chao-dyn
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The categories of this paper are: hep-ex
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The categories of this paper are: quant-ph