NMR Hamiltonian as an effective Hamiltonian to generate Schrödinger’s cat states. (English) Zbl 1508.81433
Summary: This report experimentally demonstrates that the theoretical background of the atom-field scenario points out that the NMR quadrupolar Hamiltonian works as an effective Hamiltonian to generate Schrödinger’s cat states in a \(2I+1\) low-dimensional Hilbert space. The versatility of this nuclear spin setup is verified by monitoring the \(^{23}\mathrm{Na}\) nucleus of a lyotropic liquid crystal sample at the nematic phase. The quantum state tomography and the Wigner quasiprobability distribution function are performed to characterize the accuracy of the experimental implementation.
Keywords:
Schrödinger’s cat states; quasiprobability distribution function; lyotropic liquid crystal; quadrupolar spin system; quantum simulation; nuclear magnetic resonanceReferences:
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