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quant-ph2024
Open extended quantum systems
Dragi Karevski
We present an introduction to the theory of open extended quantum systems. We begin with a microscopic derivation of the so-called Lindblad equation followed by a more abstract app…
quant-ph2015★ 32 cited
The open Heisenberg chain under boundary fields: a magnonic logic gate
Gabriel T. Landi, Dragi Karevski
We study the spin transport in the quantum Heisenberg spin chain subject to boundary magnetic fields and driven out of equilibrium by Lindblad dissipators. An exact solution is giv…
quant-ph2014★ 6 cited
Decoherence of Bell states by local interactions with a suddenly quenched spin environment
Pierre Wendenbaum, Bruno G. Taketani, Dragi Karevski
We study the dynamics of disentanglement of two qubits initially prepared in a Bell state and coupled at different sites to an Ising transverse field spin chain (ITF) playing the r…