7 citations · 8 across the 2 of their papers we have counts for
3 papers
gr-qc2012★ 7 cited
Modular Theory for Operator Algebra in Bounded Region of Space-Time and Quantum Entanglement
Daisuke Ida, Takahiro Okamoto, Miyuki Saito
We consider the quantum state seen by an observer in the diamond-shaped region, which is a globally hyperbolic open submanifold of the Minkowski space-time. It is known from the op…
gr-qc2012★ 1 cited
Apparent Horizons with Nontrivial Topology and the Hyperhoop Conjecture in Six-Dimensional Space-Times
Tomohiro Kurata, Hirotaka Nakayama, Takahiro Okamoto
We investigate the validity of the hyperhoop conjecture, which claims to determine a necessary and sufficient condition for the formation of black hole horizons in higher-dimension…
gr-qc2011
You Cannot Press Out the Black Hole
Daisuke Ida, Takahiro Okamoto
It is shown that a ball-shaped black hole region homeomorphic with D**n cannot be pressed out, along whichever axis penetrating the black hole region, into a black ring with a doug…