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quant-ph2017★ 1 cited
Implementing the sine transform of fermionic modes as a tensor network
Hannes Epple, Pascal Fries, Haye Hinrichsen
Based on the algebraic theory of signal processing, we recursively decompose the discrete sine transform of first kind (DST-I) into small orthogonal block operations. Using a diagr…
quant-ph2016
Finite speed heat transport in a quantum spin chain after quenched local cooling
Pascal Fries, Haye Hinrichsen
We study the dynamics of an initially thermalized spin chain in the quantum XY-model, after sudden coupling to a heat bath of lower temperature at one end of the chain. In the semi…