221 citations
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cond-mat.stat-mech2024★ 2 cited
Half Landau-Zener ramp to a quantum phase transition in a dissipative single spin sodel
Sei Suzuki
We study the dynamics of a single spin coupled to a bosonic bath at zero temperature driven by a ramp of the bias field. A single spin coupled to a bosonic sub-Ohmic bath exhibits…
cond-mat.str-el2024★ 1 cited
Spin pumping into quantum spin chains
Shunsuke C. Furuya, Mamoru Matsuo, Takeo Kato
We theoretically investigate spin pumping into a quantum easy-plane ferromagnetic spin chain system. This quantum spin chain is effectively described by the Tomonaga-Luttinger (TL)…