@article{deepphysicalneuralnetworksenabledbya,
  title = {Deep physical neural networks enabled by a backpropagation algorithm for arbitrary physical systems},
  author = {Logan G. Wright and Tatsuhiro Onodera and Martin M. Stein and Tianyu Wang and Darren T. Schachter and Zoey Hu and Peter L. McMahon},
  year = {2021},
  eprint = {2104.13386},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2104.13386v1},
}