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Normal Modes of the Stretched Horizon: A Bulk Mechanism for Black Hole Microstate Level Spacing
Chethan Krishnan, Pradipta S. Pathak
In 1984, 't Hooft famously used a brickwall (aka stretched horizon) to compute black hole entropy up to a numerical pre-factor. This calculation is sometimes interpreted as due to…
A Smooth Horizon without a Smooth Horizon
Vaibhav Burman, Suchetan Das, Chethan Krishnan
Recent observations on type III algebras in AdS/CFT raise the possibility that smoothness of the black hole horizon is an emergent feature of the large- limit. In this paper, we…
A Holographic Entanglement Entropy at Spi
Abir Ghosh, Chethan Krishnan
Defining finite entanglement entropy for a subregion in quantum field theory requires the introduction of two logically independent scales: an IR scale that controls the size of th…
State-independent Black Hole Interiors from the Crossed Product
Chethan Krishnan, Vyshnav Mohan
Opinion is divided about the nature of state dependence in the black hole interior. Some argue that it is a necessary feature, while others argue it is a bug. In this paper, we con…