@article{201912.0013, doi = {10.20944/preprints201912.0013.v1}, url = {https://doi.org/10.20944/preprints201912.0013.v1}, year = 2019, month = {December}, publisher = {Preprints}, author = {Gerd Leuchs and Margaret Hawton and Luis Sanchez-Soto}, title = {QED Response of the Vacuum}, journal = {Preprints} }