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4 papers · 1 filter
Conceptual Aspects of Gauge/Gravity Duality
Sebastian De Haro, Daniel R. Mayerson, Jeremy N. Butterfield
We give an introductory review of gauge/gravity duality, and associated ideas of holography, emphasising the conceptual aspects. The opening Sections gather the ingredients, viz. a…
Discovery of a strongly phase-variable spectral feature in the isolated neutron star RX J0720.4-3125
Alice Borghese, Nanda Rea, Francesco Coti Zelati +2
We present the discovery of a strongly phase-variable absorption feature in the X-ray spectrum of the nearby, thermally-emitting, isolated neutron star RX J0720.4-3125. The absorpt…
Dualities and Emergent Gravity: Gauge/Gravity Duality
Sebastian de Haro
In this paper I develop a framework for relating dualities and emergence: two notions that are close to each other but also exclude one another. I adopt the conception of duality a…
Emergence in Holographic Scenarios for Gravity
Dennis Dieks, Jeroen van Dongen, Sebastian de Haro
'Holographic' relations between theories have become an important theme in quantum gravity research. These relations entail that a theory without gravity is equivalent to a gravita…