Figure 5. The figure illustrates the phenomenon of decoherence in the Schrödinger cat state, depicted statically from left to right. The visual representation showcases the evolution of the Wigner probability density function, providing insights into the intricate interplay between quantum superposition and environmental interactions

From

Analyzing the Decoherence on Biphoton and Schrödinger Cat States through Wigner Function

Simanshu Kumar, Nandan S Bisht

International Journal of Physics. 2025, 13(3), 73-79 doi:10.12691/ijp-13-3-5