Quantum scars in quantum field theory
نویسندگان
چکیده
We develop the theory of quantum scars for fields. By generalizing formalisms Heller and Bogomolny from few-body mechanics to fields, we find that unstable periodic classical solutions field equations imprint themselves in a precise manner on bands energy eigenfunctions. This indicates breakdown thermalization at certain scales, can be characterized via semiclassics. As an explicit example, consider time-periodic non-topological solitons complex scalar theories. variant Q-balls, called Q-clouds, induce scars. Some technical contributions our work include methods characterizing moduli spaces orbits theories, which are essential formulating scar formula. further discuss potential connections with many-body Rydberg atom arrays.
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ژورنال
عنوان ژورنال: Physical review
سال: 2023
ISSN: ['0556-2813', '1538-4497', '1089-490X']
DOI: https://doi.org/10.1103/physrevd.107.125005