TY - GENERIC DO - 10.20944/preprints202312.1564.v1 UR - http://dx.doi.org/10.20944/preprints202312.1564.v1 TI - Background gravitational waves as signature of the accelerated cosmic expansion T2 - Preprints AU - Cruz, Cláudio Nassif AU - Amaro de Faria Jr., Antônio Carlos PY - 2023 DA - 2023/12/20 PB - Preprints