{"knowledge_schema": {"broad_category": "Quantum Mechanics \u2192 Quantum States \u2192 Non-Gaussianity", "refinement": "This problem involves calculating the non-Gaussianity of a specific quantum state known as a Schr\u00f6dinger cat state using the relative entropy measure.", "specific_scope": "The focus is on evaluating the non-Gaussianity for given parameters (phi = pi/6 and alpha = 0.3) in the context of quantum optics and quantum information theory.", "goal": "Calculate the non-Gaussianity (nG) using the relative entropy measure for the specified Schr\u00f6dinger cat state."}, "summary": "The problem requires calculating the non-Gaussianity of a Schr\u00f6dinger cat state using the relative entropy measure. Given the parameters phi = pi/6 and alpha = 0.3, we define the state and compute the necessary terms to evaluate the non-Gaussianity. The result of the calculation yields a non-Gaussianity value of 0.68, indicating the degree to which the state deviates from Gaussian characteristics."}