Fig. 2 | npj Quantum Information

Fig. 2

From: Quantum simulation of the non-fermi-liquid state of Sachdev-Ye-Kitaev model

Fig. 2

Scheme for experimentally simulating generalized SYK model and measuring the boson correlation function. a The generalized SYK model with eight Majorana fermions is mapped onto a four spin model. The curved lines denote the Majorana fermion-fermion or spin–spin interactions. b Molecular structure of 13C-labeled trans-crotonic acid, where nuclear spins of C1, C2, C3, and C4 are used as a four-qubit quantum simulator. All protons are decoupled throughout the experiments. c Quantum circuit for measuring the boson correlation function. V is the basis transformation from the computational basis to the eigenvectors of initial states ρi. M represents five readout pulses for observing b operator

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