Determinant of the curved space scalar wave operator
Posted by quarkinator, at physics.stackexchange.com,
I am reading a paper titled 'Analogue Gravity' (http://www.livingreviews.org/lrr-2011-3 or http://arxiv.org/abs/gr-qc/0505065…
I am reading a paper titled 'Analogue Gravity' (http://www.livingreviews.org/lrr-2011-3 or http://arxiv.org/abs/gr-qc/0505065…
A naive question: Are these subjects, i.e. classical GR and QFT in curved spacetime, being worked upon much anymore? Who is…
Electromagnetic waves can be shielded by a perfect conductor. What about gravitational fields or waves?