Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Field-tuned chiral transport in charge-ordered CsV$_3$Sb$_5$   When conductors differ from their mirror image, their chirality is reflected
in the electron states and their dynamics. Conventionally, mirror symmetries
are broken by the atomic structure of crystals and imprint their low symmetry
onto the itinerant electron states. Unusual transport properties are a hallmark
of chiral crystals, such as a non-linear electric response known as electronic
magneto-chiral ansiotropy (eMChA). Here we report such a transport signature in
the centro-symmetric layered Kagome metal CsV$_3$Sb$_5$, observed via second
harmonic generation under magnetic field. We observe the signal in a
charge-ordered phase of the material, which has been proposed to be a
loop-current phase with spontaneously broken mirror symmetries. While charge
ordering sets in at $T_{\mathrm{CDW}}\sim$ 94 K, the eMChA transport becomes
significant only at temperatures below $T'\sim$ 34 K, indicative of further
evolutions of this ordered phase upon lowering the temperature. Crucially, we
demonstrate that the nonlinear magnetotransport can be switched by small
out-of-plane fields, in accordance with recent tunneling microscopy
experiments. Unlike structurally chiral materials, our results demonstrate how
the electronic chirality of a metal can be tuned and even abruptly switched by
small changes in magnetic fields alone -- a prerequisite for their applications
in chiral electronics.

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The categories of this paper are: alg-geom
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The categories of this paper are: comp-gas
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The categories of this paper are: nucl-th
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The categories of this paper are: ao-sci
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The categories of this paper are: quant-ph
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The categories of this paper are: adap-org
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The categories of this paper are: hep-lat
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The categories of this paper are: q-bio
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The categories of this paper are: hep-ph
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The categories of this paper are: math
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The categories of this paper are: q-alg
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The categories of this paper are: chao-dyn
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The categories of this paper are: q-fin
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The categories of this paper are: cs
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The categories of this paper are: hep-th
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The categories of this paper are: cmp-lg