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Magnetic Bloch oscillations in a non-Hermitian quantum Ising chain by Zhang, K. L.; Song, Z. is a scholarly article available to read on EtoBox.

What is Magnetic Bloch oscillations in a non-Hermitian quantum Ising chain about?

We investigate the impacts of an imaginary transverse field on the dynamics of magnetic domain walls in a quantum Ising chain. We show that an imaginary field plays a similar role as a real transverse field in forming a low-lying Wannier-Stark ladder. However, analytical and numerical calculations of the time evolutions in both systems show that the corresponding Bloch oscillations exhibit totally different patterns for the same initial states. These findings reveal the nontrivial effect of non-Hermiticity on quantum spin dynamics.

Author

Zhang, K. L.; Song, Z.

Published

2024

Language

EN