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61 papers · 1 filter
A Deformation for Curved Spacetimes from 3d Gravity
Edward A. Mazenc, Vasudev Shyam, Ronak M Soni
We propose a generalisation of the deformation to curved spaces by defining, and solving, a suitable flow equation for the partition function. We provide evidence it is…
On Coherent Delocalization in the Light-Matter Interaction
Nadine Stritzelberger, Achim Kempf
We investigate how the coherent spreading of the center of mass wave function of a particle, such as an atom, molecule or ion, affects the particle's interaction with fields such a…
Sphere correlation functions and Verma modules
Davide Gaiotto, Tadashi Okazaki
We propose a universal IR formula for the protected three-sphere correlation functions of Higgs and Coulomb branch operators of supersymmetric quantum field theories w…
Hot Cosmic Qubits: Late-Time de Sitter Evolution and Critical Slowing Down
Greg Kaplanek, C. P. Burgess
Temporal evolution of a comoving qubit coupled to a scalar field in de Sitter space is studied with an emphasis on reliable extraction of late-time behaviour. The phenomenon of cri…
Hot Accelerated Qubits: Decoherence, Thermalization, Secular Growth and Reliable Late-time Predictions
Greg Kaplanek, C. P. Burgess
We compute how an accelerating qubit coupled to a scalar field - i.e. an Unruh-DeWitt detector - evolves in flat space, with an emphasis on its late-time behaviour. When calculable…
Discovery of a Powerful >10^61 erg AGN Outburst in Distant Galaxy Cluster SPT-CLJ0528-5300
Michael S. Calzadilla, Michael McDonald, Matthew Bayliss +9
We present ~103 ks of Chandra observations of the galaxy cluster SPT-CLJ0528-5300 (SPT0528, z=0.768). This cluster harbors the most radio-loud (L_1.4GHz = 1.01 x 10^33 erg/s/Hz) ce…