Reduced mass is a concept in physics that simplifies the analysis of two-body systems by allowing them to be treated as a single particle with an effective mass. This effective mass is given by the formula $$\mu = \frac{m_1 m_2}{m_1 + m_2}$$, where $m_1$ and $m_2$ are the masses of the two particles. By using reduced mass, complex problems in quantum mechanics, particularly those involving time-dependent and time-independent Schrödinger equations, become more manageable.
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