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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

Akihiro Yamada , Naoki Yamamoto This is my paper
classification hep-phcond-mat.str-elhep-th
keywords vacuumfloquetchiralengineeringfrequencyintensitylargelattice
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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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  1. Dislocations and crystallization dynamics of chiral soliton lattices

    hep-th 2025-06 conditional novelty 6.0 of 10

    A modified axion model with a B-dependent topological coupling shows numerically that chiral soliton lattices form dynamically through transient edge and screw dislocations, including a stable DNA-like double helix.

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