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Article: Chiral magnetic effect in three-dimensional optical lattices

TitleChiral magnetic effect in three-dimensional optical lattices
Authors
KeywordsAtomic and Molecular Physics
Optics
Issue Date2019
PublisherAmerican Physical Society. The Journal's web site is located at https://journals.aps.org/prresearch/
Citation
Physical Review Research, 2019, v. 1 n. 3, p. 033102:1-033102:7 How to Cite?
AbstractAlthough Weyl semimetals have been extensively studied for exploring rich topological physics, the direct observation of the celebrated chiral magnetic effect (CME) associated with the so-called dipolar chiral anomaly has long intrigued and challenged physicists, still remaining elusive in nature. Here we propose a feasible scheme for experimental implementation of ultracold atoms that may enable us to probe the CME with a pure topological current in an artificial Weyl semimetal. The paired Weyl points with the dipolar chiral anomaly emerge in the presence of the well-designed spin-orbital coupling and laser-assisted tunneling. Both of the two artificial fields are readily realizable and highly tunable via current optical techniques using ultracold atoms trapped in three-dimensional optical lattices, providing a reliable way for manipulating Weyl points in the momentum-energy space. By applying a weak artificial magnetic field, the system processes an auxiliary current originated from the topology of a paired Weyl points, namely, the pure CME current. This topological current can be extracted from measuring the center-of-mass motion of ultracold atoms, which may pave the way to directly and unambiguously observe the CME in experiments.
Persistent Identifierhttp://hdl.handle.net/10722/287378
ISSN
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorZheng, Z-
dc.contributor.authorLin, Z-
dc.contributor.authorZhang, DW-
dc.contributor.authorZhu, SL-
dc.contributor.authorWang, ZD-
dc.date.accessioned2020-09-22T03:00:09Z-
dc.date.available2020-09-22T03:00:09Z-
dc.date.issued2019-
dc.identifier.citationPhysical Review Research, 2019, v. 1 n. 3, p. 033102:1-033102:7-
dc.identifier.issn2643-1564-
dc.identifier.urihttp://hdl.handle.net/10722/287378-
dc.description.abstractAlthough Weyl semimetals have been extensively studied for exploring rich topological physics, the direct observation of the celebrated chiral magnetic effect (CME) associated with the so-called dipolar chiral anomaly has long intrigued and challenged physicists, still remaining elusive in nature. Here we propose a feasible scheme for experimental implementation of ultracold atoms that may enable us to probe the CME with a pure topological current in an artificial Weyl semimetal. The paired Weyl points with the dipolar chiral anomaly emerge in the presence of the well-designed spin-orbital coupling and laser-assisted tunneling. Both of the two artificial fields are readily realizable and highly tunable via current optical techniques using ultracold atoms trapped in three-dimensional optical lattices, providing a reliable way for manipulating Weyl points in the momentum-energy space. By applying a weak artificial magnetic field, the system processes an auxiliary current originated from the topology of a paired Weyl points, namely, the pure CME current. This topological current can be extracted from measuring the center-of-mass motion of ultracold atoms, which may pave the way to directly and unambiguously observe the CME in experiments.-
dc.languageeng-
dc.publisherAmerican Physical Society. The Journal's web site is located at https://journals.aps.org/prresearch/-
dc.relation.ispartofPhysical Review Research-
dc.rightsCopyright [2020] by The American Physical Society. This article is available online at [http://dx.doi.org/10.1103/PhysRevResearch.1.033102].-
dc.rightsThis work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.-
dc.subjectAtomic and Molecular Physics-
dc.subjectOptics-
dc.titleChiral magnetic effect in three-dimensional optical lattices-
dc.typeArticle-
dc.identifier.emailZheng, Z: zhenzhen.dr@hku.hk-
dc.identifier.emailWang, ZD: physhead@hku.hk-
dc.identifier.authorityWang, ZD=rp00818-
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1103/PhysRevResearch.1.033102-
dc.identifier.hkuros314412-
dc.identifier.volume1-
dc.identifier.issue3-
dc.identifier.spage033102:1-
dc.identifier.epage033102:7-
dc.identifier.isiWOS:000600635600003-
dc.publisher.placeUnited States-
dc.identifier.issnl2643-1564-

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