Superluminal moving defects in the Ising spin chain

Superluminal moving defects in the Ising spin chain

Quantum excitations in lattice systems always propagate at a finite maximum velocity. We probe this mechanism by considering a defect travelling at a constant velocity in the quantum Ising spin chain in transverse field. Independently of the microscopic details of the defect, we characterize the exp...

Bibliografski detalji
Glavni autori:	Bastianello, A, De Luca, A
Format:	Journal article
Jezik:	English
Izdano:	American Physical Society 2018

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