Tailored jump operators for purely dissipative quantum magnetism

Abstract

I propose an archtitecture for the realization of dissipative quantum many-body spin models. The dissipative processes are mediated by interactions with auxiliary particles and lead to a widely tunable class of correlated quantum jump operators. These findings enable the investigation of purely dissipative spin models, where coherent dynamics is entirely absent. I provide a detailed review of a recently introduced variational method to analyze such dissipative quantum many-body systems, and I discuss a specific example in terms of a purely dissipative Heisenberg model, for which I find an additional disordered phase that is not present in the corresponding ground state phase diagram.

arXiv comment9 pages, 4 figures, submitted to J. Phys. B. Special Issue "Emerging Leaders"

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• Simulation methods for open quantum many-body systems
• Probing quench dynamics across a quantum phase transition into a 2D Ising antiferromagnet
• High-density quantum sensing with dissipative first order transitions
• Driven-dissipative criticality within the discrete truncated Wigner approximation
• Non-conservative Forces via Quantum Reservoir Engineering
• Solvable Markovian dynamics of lattice quantum spin models