COSMOLOGY. “In the physical universe, the vector mode dies out fast due to the expanding spacetime. In the analogue gravity/cosmology situation addressed here, even though we are dealing with a contracting spacetime, we are at liberty to ignore the vector mode in the first place without altering the curl-free and non zero trace condition of χij.”
https://lnkd.in/dusKMKM
linkedin post 2022-06-29 05:12:48
Nigel Fleming
September 21, 2022