41 citations · 83 across the 4 of their papers we have counts for
4 papers
Spin transport in the Quantum Spin Liquid State in the Kitaev model: role of the fractionalized quasiparticles
Akihisa Koga, Tetsuya Minakawa, Yuta Murakami +1
We investigate the real-time spin response of the Kitaev model upon stimuli of a pulsed magnetic field in one of the edges using the exact diagonalization method. It is found…
Majorana-mediated spin transport without spin polarization in Kitaev quantum spin liquids
Tetsuya Minakawa, Yuta Murakami, Akihisa Koga +1
We study the spin transport through the quantum spin liquid (QSL) by investigating the real-time and real-space dynamics of the Kitaev spin system with a zigzag structure in terms…
Magnetic properties of the S = 1 Kitaev model with anisotropic interactions
Tetsuya Minakawa, Joji Nasu, Akihisa Koga
We investigate magnetic properties in the Kitaev model in the anisotropic limit. Performing the fourth-order perturbation expansion with respect to the -bonds, -bonds,…
Quantum and classical behavior of spin- Kitaev models in an anisotropic limit
Tetsuya Minakawa, Joji Nasu, Akihisa Koga
We study low-energy properties of spin- Kitaev models in an anisotropic limit. The effective form of a local conserved quantity is derived in the low-energy subspace. We find th…