86 citations · 1.3k across the 50 of their papers we have counts for
50 papers
Symmetry operators for the conformal wave equation in rotating black hole spacetimes
Finnian Gray, Tsuyoshi Houri, David Kubiznak +1
We present covariant symmetry operators for the conformal wave equation in the (off-shell) Kerr-NUT-AdS spacetimes. These operators, that are constructed from the principal Killing…
Hidden symmetry and the separability of the Maxwell equation on the Wahlquist spacetime
Tsuyoshi Houri, Norihiro Tanahashi, Yukinori Yasui
We examine hidden symmetry and its relation to the separability of the Maxwell equation on the Wahlquist spacetime. After seeing that the Wahlquist spacetime is a type-D spacetime…
On symmetry operators for the Maxwell equation on the Kerr-NUT-(A)dS spacetime
Tsuyoshi Houri, Norihiro Tanahashi, Yukinori Yasui
We focus on the method recently proposed by Lunin and Frolov-Krtouš-Kubizňák to solve the Maxwell equation on the Kerr-NUT-(A)dS spacetime by separation of variables. In their meth…
Separability of Maxwell equation in rotating black hole spacetime and its geometric aspects
Tsuyoshi Houri, Norihiro Tanahashi, Yukinori Yasui
Recently a new formalism for perturbations of Maxwell's equations on the background of the Kerr-NUT-(A)dS spacetime was proposed, with which the equations are reduced to a equation…
On integrability of the Killing equation
Tsuyoshi Houri, Kentaro Tomoda, Yukinori Yasui
Killing tensor fields have been thought of as describing hidden symmetry of space(-time) since they are in one-to-one correspondence with polynomial first integrals of geodesic equ…
Heterotic Solutions with G2 and Spin(7) Structures
Kazuki Hinoue, Yukinori Yasui
We study supersymmetric solutions in 7- and 8-dimensional Abelian heterotic supergravity theories. In dimension 7, the solutions are described by with torsion equations. Wh…