Science Advances

Supplementary Materials

This PDF file includes:

  • Section S1. Energy-level representation of the cooling protocol
  • Section S2. Cooling in the paramagnetic and the critical regime of the Ising model
  • Section S3. Dependence of the cooling performance on the initial state
  • Section S4. Efficiency of the cooling protocol for the Heisenberg model
  • Section S5. Entanglement measure for the ground-state cooling of the Heisenberg model
  • Fig. S1. Possible paths via which an excitation can be cooled down to the ground state.
  • Fig. S2. Cooling dynamics in different regimes.
  • Fig. S3. Cooling performance of the transverse field Ising model in the ferromagnetic phase for various initial states.
  • Fig. S4. Scalability of the protocol for the antiferromagnetic Heisenberg model.
  • Fig. S5. Negativity as a measure of entanglement of the prepared states in time for a system of N = 6 spins.
  • References (4952)

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