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Floquet vacuum engineering: Laser-driven chiral soliton lattice in the QCD vacuum

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arxiv 2107.07074 v2 pith:DDN5YKMV submitted 2021-07-15 hep-ph cond-mat.str-elhep-th

Floquet vacuum engineering: Laser-driven chiral soliton lattice in the QCD vacuum

classification hep-ph cond-mat.str-elhep-th
keywords vacuumfloquetchiralengineeringfrequencyintensitylargelattice
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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What happens to the QCD vacuum when a time-periodic circularly polarized laser field with a sufficiently large intensity and frequency is applied? Based on the Floquet formalism for periodically driven systems and the systematic low-energy effective theory of QCD, we show that for a sufficiently large frequency and above a critical intensity, the QCD vacuum is unstable against the chiral soliton lattice of pions; a crystalline structure of topological solitons that spontaneously breaks parity and continuous translational symmetries. Our work would pave the way for novel "Floquet vacuum engineering."

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Cited by 1 Pith paper

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    hep-ph 2025-12 unverdicted novelty 7.0

    Minimal domain-wall Skyrmions in magnetized QCD are fermions with baryon number one that split from bosonic pairs without energy cost.