activity
20222026
collaborators

8 papers

hep-th2026

Obstruction to local entropy laws on arbitrary black-hole cuts in five-dimensional Einstein--Gauss--Bonnet gravity

Cendikiawan Suryaatmadja, Robert B. Mann

We study local entropy laws on arbitrary cuts of event horizons in five-dimensional Einstein--Gauss--Bonnet gravity, treated as an exact theory. No covariant local entropy can both…

gr-qc2026

Charged soliton--black hole phase transitions in three-dimensional Einstein--Gauss--Bonnet gravity

Cendikiawan Suryaatmadja, Robert Mann

We construct a magnetic soliton by double Wick rotating the static electrically charged black hole in three-dimensional Einstein--Gauss--Bonnet gravity. We match the boundary metri…

gr-qc2026

Propagation and horizon formation in Einstein--Gauss--Bonnet scalar collapse. I. Characteristic conditions, bounds and formation

Cendikiawan Suryaatmadja

We study scalar collapse in five- and six-dimensional Einstein--Gauss--Bonnet gravity with positive coupling, treated as an exact classical theory. On spherical scalar backgrounds,…

gr-qc2026

Black Holes and Scalar Propagation in Three-Dimensional Einstein--Gauss--Bonnet Gravity

Cendikiawan Suryaatmadja

We derive an analytic black-hole family in three-dimensional scalar--tensor Einstein--Gauss--Bonnet gravity with positive coupling. A single implicit equation determines the static…

gr-qc2026

Acceleration in 3D Einstein-Gauss-Bonnet Gravity

Cendikiawan Suryaatmadja, Dong-han Yeom, Robert Mann

We present a new class of exact solutions in Einstein-Gauss-Bonnet gravity in 2+1 dimensions that generalize the C-metric. This set of metrics equals the C-metric multiplied by a f…

gr-qc2023

Signatures of Rotating Black Holes in Quantum Superposition

Cendikiawan Suryaatmadja, Cemile Senem Arabaci, Matthew P. G. Robbins +3

A new approach for operationally studying the effects of spacetime in quantum superpositions of semiclassical states has recently been proposed by some of the authors. This approac…

gr-qc2023

Relativity and decoherence of spacetime superpositions

Joshua Foo, Robert B. Mann, Magdalena Zych

It is univocally anticipated that in a theory of quantum gravity, there exist quantum superpositions of semiclassical states of spacetime geometry. Such states could arise for exam…

quant-ph2022

Entanglement Harvesting of Inertially Moving Unruh-DeWitt Detectors in Minkowski Spacetime

Cendikiawan Suryaatmadja, Wan Cong, Robert . B. Mann

We investigate the effects of relative motion on entanglement harvesting by considering a pair of Unruh-Dewitt detectors moving at arbitrary, but independent and constant velocitie…