83 citations · 323 across the 9 of their papers we have counts for
Showing 1999Show all
2 papers · 1 filter
hep-th1999★ 32 cited
A small but nonzero cosmological constant
Y. Jack Ng, H. van Dam
Recent astrophysical observations seem to indicate that the cosmological constant is small but nonzero and positive. The old cosmological constant problem asks why it is so small;…
gr-qc1999★ 43 cited
On Wigner's clock and the detectability of spacetime foam with gravitational-wave interferometers
Y. J. Ng, H. van Dam
A recent paper (gr-qc/9909017) criticizes our work on the structure of spacetime foam. Its authors argue that the quantum uncertainty limit for the position of the quantum clock in…