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Quantum uncertainty in the area of a black hole
Maulik Parikh, Jude Pereira
Quantum fluctuations of the spacetime metric induce an uncertainty in the horizon area of a black hole. Working in linearized quantum gravity, we derive the variance in the area of…
The Stringy Origins of Galileons and their Novel Limit
Damien Easson, Tucker Manton, Maulik Parikh +1
We show generalized Galileons -- a particular subclass of Horndeski gravity -- arise from a consistent Kaluza-Klein reduction of the low-energy effective action of heterotic string…
Signatures of the Quantization of Gravity at Gravitational Wave Detectors
Maulik Parikh, Frank Wilczek, George Zahariade
We develop a formalism to calculate the response of a model gravitational wave detector to a quantized gravitational field. Coupling a detector to a quantum field induces stochasti…
Quantum Mechanics of Gravitational Waves
Maulik Parikh, Frank Wilczek, George Zahariade
For the purpose of analyzing observed phenomena, it has been convenient, and thus far sufficient, to regard gravity as subject to the deterministic principles of classical physics,…
The Noise of Gravitons
Maulik Parikh, Frank Wilczek, George Zahariade
We show that when the gravitational field is treated quantum-mechanically, it induces fluctuations -- noise -- in the lengths of the arms of gravitational wave detectors. The chara…
Back(reaction) to the Future in the Unruh-de Sitter State
Lars Aalsma, Maulik Parikh, Jan Pieter van der Schaar
Motivated by black hole physics, we define the Unruh state for a scalar field in de Sitter space. Like the Bunch-Davies state, the Unruh-de Sitter state appears thermal to a static…