Quantum mechanical effects refer to phenomena that occur at the nanoscale, where the classical laws of physics no longer apply and quantum mechanics takes precedence. These effects include wave-particle duality, superposition, and entanglement, which lead to unique behaviors in materials that can be exploited for advanced applications in electronics and nanotechnology. Understanding these effects is crucial when studying systems at the mesoscopic scale, where coherence and interference phenomena play a significant role in device performance.
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