Bahtiyar Özgür Sarıoğlu

Department of Physics
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Tensionless strings and Killing(-Yano) tensors
Lindström, Ulf; Sarıoğlu, Bahtiyar Özgür (2022-06-10)
© 2022 The Author(s)We construct invariants for bosonic and spinning tensionless (null) strings in backgrounds that carry Killing tensors or Killing-Yano tensors of mixed type. This is facilitated by the close relation of ...
Killing-Yano Cotton currents
Lindstrom, Ulf; Sarıoğlu, Bahtiyar Özgür (2022-03-01)
We discuss conserved currents constructed from the Cotton tensor and (conformal) Killing-Yano tensors (KYTs). We consider the corresponding charges generally and then exemplify with the four-dimensional Plebanski-Demianski...
New currents with Killing-Yano tensors
Lindstrom, Ulf; Sarıoğlu, Bahtiyar Özgür (2021-10-01)
New relations involving the Riemann, Ricci and Einstein tensors that have to hold for a given geometry to admit Killing-Yano tensors (KYTs) are described. These relations are then used to introduce novel conserved 'current...
Consistent S3 reductions of six-dimensional supergravity
Samtleben, Henning; Sarıoğlu, Bahtiyar Özgür (American Physical Society (APS), 2019-10-7)
We work out the consistent AdS(3) x S-3 truncations of the bosonic sectors of both the six-dimensional = N = (1,1) and N = (2,0) supergravity theories. They result in inequivalent three-dimensional half-maximal SO(4) gauge...
Circularly symmetric solutions of minimal massive gravity at its merger point
Sarıoğlu, Bahtiyar Özgür (IOP Publishing, 2019-07-25)
I find all the static circularly symmetric solutions of minimal massive 3D gravity at its merger point, construct stationary versions of these and discuss some of their geometric and physical properties. It turns out that ...
Stationary Lifshitz black hole of New Massive Gravity
Sarıoğlu, Bahtiyar Özgür (IOP Publishing, 2019-01-10)
I present the stationary Lifshitz black hole solution of three-dimensional New Massive Gravity theory and study its elementary geometric and thermodynamical properties.
Supersymmetric solutions of N=(1,1) general massive supergravity
Deger, N. S.; Nazari, Z.; Sarıoğlu, Bahtiyar Özgür (American Physical Society (APS), 2018-5-29)
We construct supersymmetric solutions of three-dimensional N = (1, 1) general massive supergravity (GMG). Solutions with a null Killing vector are, in general, pp-waves. We identify those that appear at critical points of ...
Kundt solutions of minimal massive 3D gravity
Deger, Nihat Sadik; Sarıoğlu, Bahtiyar Özgür (AMER PHYSICAL SOC, ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA, 2015-11-04)
We construct Kundt solutions of minimal massive gravity theory and show that, similar to topologically massive gravity (TMG), most of them are constant scalar invariant (CSI) spacetimes that correspond to deformations of r...
All timelike supersymmetric solutions of three-dimensional half-maximal supergravity
DEĞER, NİHAT SADIK; Moutsopoulos, George; Samtleben, Henning; Sarıoğlu, Bahtiyar Özgür (2015-06-22)
We first classify all supersymmetric solutions of the 3-dimensional half-maximal ungauged supergravity that possess a timelike Killing vector by considering their identification under the complexification of the local symm...
A supersymmetric reduction on the three-sphere
DEĞER, NİHAT SADIK; Samtleben, Henning; Sarıoğlu, Bahtiyar Özgür; Van den Bleeken, Dieter (2015-01-01)
We present the embedding of three-dimensional SO(4) proportional to R-6 gauged N = 4 supergravity with quaternionic target space SO(4, 4)/(SO(4) x SO(4)) into D = 6, N = (1, 0) supergravity coupled to a single chiral tenso...
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