Early fault-tolerant quantum computers are being leveraged to advance the modeling of semiconductor nanostructures1. Double quantum dots, critical components in semiconductor spin-qubit architectures, quantum sensing, and quantum-dot solar cells, are a primary focus. While accurate simulation is crucial for their development, conventional computational techniques struggle significantly when modeling dynamics involving more than two interacting electrons. The escalating complexity of multi-electron interactions quickly renders classical algorithms inefficient, often necessitating approximations. This research utilizes quantum computation to overcome these limitations, enabling more precise predictions of nanostructure behavior. Such advances are vital for accelerating the design and optimization of next-generation quantum hardware and materials. For security professionals, this signifies the rapid maturation of quantum computing, a field poised to fundamentally reshape computational assumptions, including those underpinning current cryptographic paradigms.