@article{918261, author = {Swarnav Banik and Monica Gutierrez Galan and Hector Sosa Martinez and Madison 1 and Stephen Anderson and Ian Eckel and Gretchen K. Spielman}, title = {Accurate Determination of Hubble Attenuation and Amplification in Expanding and Contracting Cold-Atom Universes}, year = {2022}, number = {128}, month = {2022-02-28 05:02:00}, publisher = {Physical Review Letters}, url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=932651}, doi = {https://doi.org/10.1103/PhysRevLett.128.090401}, language = {en}, }