214 citations · 1.6k across the 81 of their papers we have counts for
6 papers · 1 filter
Entanglement Renyi entropy of two disjoint intervals for large Liouville field theory
Jun Tsujimura, Yasusada Nambu
Entanglement entropy (EE) is a quantitative measure of the effective degrees of freedom and the correlation between the sub-systems of a physical system. Using the replica trick, w…
Deep Learning Metric Detectors in General Relativity
Ryota Katsube, Wai-Hong Tam, Masahiro Hotta +1
We consider conceptual issues of deep learning (DL) for metric detectors using test particle geodesics in curved spacetimes. Advantages of DL metric detectors are emphasized from a…
Quantumness of gravity in harmonically trapped particles
Youka Kaku, Shin'ya Maeda, Yasusada Nambu +1
This study investigates the quantumness of gravity under the setup of the atomic interferometry from the viewpoint of mass-energy equivalence. We evaluated interference visibility…
Particle Creation and Entanglement in Dispersive Model with Step Velocity Profile
Yuki Osawa, Yasusada Nambu
We investigate particle creation and entanglement structure in a dispersive model with subliminal dispersion relation. Assuming the step function spatial velocity profile of the ba…
Qubit clock in quantum cosmology
Yasusada Nambu
We investigate the emergent time scenario in quantum cosmology based on the Page-Wotters approach. Using a quantum cosmological model with a qubit clock, it is demonstrated how the…
Expanding Edges of Quantum Hall Systems in a Cosmology Language -- Hawking Radiation from de Sitter Horizon in Edge Modes
Masahiro Hotta, Yasusada Nambu, Yuuki Sugiyama +2
Expanding edge experiments are promising to open new physics windows of quantum Hall systems. In a static edge, the edge excitation, which is described by free fields decoupled wit…