MATTEO MARCUZZI MATTEO.MARCUZZI@NOTTINGHAM.AC.UK
Nottingham Research Fellow
Prethermalization from a low-density Holstein-Primakoff expansion
Marcuzzi, Matteo; Marino, Jamir; Gambassi, Andrea; Silva, Alessandro
Authors
Jamir Marino
Andrea Gambassi
Alessandro Silva
Abstract
We consider the non-equilibrium dynamics arising after a quench of the transverse magnetic field of a quantum Ising chain, together with the sudden switch-on of a long-range interaction term. The dynamics after the quantum quench is mapped onto a fully-connected model of hard-core bosons, after a suitable combination of a Holstein-Primakoff transformation and of a low-density expansion in the quasi-particles injected by the quench. This mapping holds for a broad class of initial states and for quenches which do not cross the critical point of the transverse field Ising model. We then study the algebraic relaxation in time of a number of observables towards a metastable, pre-thermal state, which becomes the asymptotic steady state in the thermodynamic limit.
Citation
Marcuzzi, M., Marino, J., Gambassi, A., & Silva, A. (2016). Prethermalization from a low-density Holstein-Primakoff expansion. Physical Review B, 94, Article 214304. https://doi.org/10.1103/PhysRevB.94.214304
Journal Article Type | Article |
---|---|
Acceptance Date | Dec 2, 2016 |
Publication Date | Dec 16, 2016 |
Deposit Date | Apr 21, 2017 |
Publicly Available Date | Mar 28, 2024 |
Journal | Physical Review B |
Print ISSN | 2469-9950 |
Electronic ISSN | 2469-9969 |
Publisher | American Physical Society |
Peer Reviewed | Peer Reviewed |
Volume | 94 |
Article Number | 214304 |
DOI | https://doi.org/10.1103/PhysRevB.94.214304 |
Public URL | https://nottingham-repository.worktribe.com/output/833066 |
Publisher URL | https://journals.aps.org/prb/abstract/10.1103/PhysRevB.94.214304 |
Files
1609.06361.pdf
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