Abstract
Higgs modes are amplitude oscillations of a quantum field and appear as collective excitations in quantum many-body systems as a consequence of spontaneous breaking of a continuous symmetry.
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Notes
- 1.
Depening on the author, also Eq. 8.54 is sometimes called fluctuation-dissipation theorem
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Endres, M. (2014). Introduction to Amplitude and Phase Modes . In: Probing Correlated Quantum Many-Body Systems at the Single-Particle Level. Springer Theses. Springer, Cham. https://doi.org/10.1007/978-3-319-05753-8_8
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