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ConQuER: Modular Architectures for Control and Bias Mitigation in IQP Quantum Generative Models

Created by
  • Haebom

Author

Xiaocheng Zou, Shijin Duan, Charles Fleming, Gaowen Liu, Ramana Rao Kompella, Shaolei Ren, Xiaolin Xu

Outline

Quantum generative models based on IQP circuits hold promise for learning complex distributions, but they suffer from two major limitations: lack of output control and generation bias. To address these issues, this paper presents ConQuER, a controllable quantum generative framework with a modular circuit architecture. ConQuER uses lightweight controller circuits, combined with pre-trained IQP circuits, to precisely control the output distribution without requiring full retraining. Furthermore, data-driven optimization is used to incorporate an intrinsic control path into the IQP architecture, thereby reducing generation bias. ConQuER maintains efficient classical training properties and high scalability, and has been experimentally validated on multiple quantum state datasets.

Takeaways, Limitations

Takeaways:
Improving the controllability of generative models by utilizing IQP circuits.
Precise control of output distribution through lightweight controller circuit.
Effectively reducing generation bias through data-driven optimization.
Maintaining efficient classical training properties and high scalability.
Experiments demonstrate excellent control accuracy and balanced generation performance.
Limitations:
Limited to quantum generation models based on IQP circuits.
Further research is needed to improve specific performance.
Further exploration of practical applications is needed.
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