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quant-ph2020★ 9 cited
Lie-algebraic approach to one-dimensional translationally invariant free-fermionic dissipative systems
L. R. Bakker, V. I. Yashin, D. V. Kurlov +2
We study dissipative translationally invariant free-fermionic theories with quadratic Liouvillians. Using a Lie-algebraic approach, we solve the Lindblad equation and find the dens…
cond-mat.stat-mech2020★ 5 cited
Quasi-conserved quantities in the perturbed XXX spin chain
Savvas Malikis, Denis Kurlov, Vladimir Gritsev
We consider the isotropic spin-1/2 Heisenberg spin chain weakly perturbed by a local translationally- and SU(2)-invariant perturbation. Starting from the local integrals of motion…