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Importance of bath dynamics for decoherence in spin systems
Shengjun Yuan, Mikhail I. Katsnelson, Hans De Raedt
We study the decoherence of two coupled spins that interact with a chaotic spin-bath environment. It is shown that connectivity of spins in the bath is of crucial importance for th…
Evolution of a quantum spin system to its ground state: Role of entanglement and interaction symmetry
S. Yuan, M. I. Katsnelson, H. De Raedt
We study the decoherence of two ferro- and antiferromagnetically coupled spins that interact with a frustrated spin-bath environment in its ground state. The conditions under which…
Polar magneto-optical Kerr effect for low-symmetric ferromagnets
Helmut Rathgen, Mikhail I. Katsnelson, Olle Eriksson +1
The polar magneto-optical Kerr effect (MOKE) for low-symmetric ferromagnetic crystals is investigated theoretically based on first-principle calculations of optical conductivities…