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Probing the curvature of the cosmos from quantum entanglement due to gravity
Suddhasattwa Brahma, Abhinove Nagarajan Seenivasan
If gravity is fundamentally quantum, any two quantum particles must get entangled with each other due to their mutual interaction through gravity. This phenomenon, dubbed gravity-m…
Gravity-induced entanglement as a probe of spacetime curvature
Suddhasattwa Brahma, Abhinove Nagarajan Seenivasan
It is now widely believed that if the gravitational field is (perturbatively) quantum, it would entangle two massive objects (in spatial superpositions) which were otherwise unenta…
IKKT thermodynamics and early universe cosmology
Samuel Laliberte, Suddhasattwa Brahma
Matrix theory is a proposed non-perturbative definition of superstring theory in which space is emergent. Recently, it was shown that space-time can emerge with a scale-invariant s…
Momentum-space entanglement entropy in de Sitter
Suddhasattwa Brahma, Jaime Calderón-Figueroa, Moatasem Hassan +1
We study the momentum-space entanglement between the sub- and super-Hubble modes of a spectator scalar field, with a cubic interaction, in de Sitter space. Momentum-space en…