We study the coherence, relaxation and purity of quantum Ising chains with added dissipative interactions through fully quantum mwchanical modular path integral (MPI) calculations. Depending upon the relation among temperature, tunneling paramter, spin-spin coupling, spin-bath coupling and the position of a particular spin within the chain, the reduced density matrix of the probed spin exhibits a variety of behaviors. Our results offer valuable insights regarding the behavior of one-dimensional magnetic materials and the decohering effects of vibrational degrees of freedom on the dynamics of coupled qubi

Quantum dynamics of spin chains coupled to dissipative environments

ACS Fall 2021

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