Spin-boson systems with two-photon interactions show distinct mixed eigenstate behavior compared to one-photon cases, identified via a new phase-space overlap index that supports the principle of uniform semiclassical condensation of quasiprobability functions.
However, some numerical solutions derived from these matrices can be spurious due to truncation, necessitating the use of a convergence method
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Mixed eigenstates in spin-boson systems with one-photon and two-photon interactions
Spin-boson systems with two-photon interactions show distinct mixed eigenstate behavior compared to one-photon cases, identified via a new phase-space overlap index that supports the principle of uniform semiclassical condensation of quasiprobability functions.