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researcher

A. Usui

5 papers hereh-index 7160 citations22 works total

Matching runs newest-first, so older work may not be attached to this profile yet.

author position
  • first author1
  • middle author3

Across the 4 of 5 papers where every author was matched, so the position is known.

fields
  • cond-mat.quant-gas3
  • quant-ph2
same name
  • A. Usui — 1 paper, h 28

Either other researchers who publish under this name, or the same person where the external sources have not merged their records.

identity via Semantic Scholar / OpenAlex

activity
20172021
most citedDynamical phase transitions, temporal orthogonality and the dynamics of observables in one dimensional ultra-cold quantum gases: from the continuum to the lattice

70 citations · 76 across the 2 of their papers we have counts for

collaborators
Showing quant-phShow all

2 papers · 1 filter

quant-ph2021

Entanglement quantification in atomic ensembles

Matteo Fadel, Ayaka Usui, Marcus Huber +2

Entanglement measures quantify nonclassical correlations present in a quantum system, but can be extremely difficult to calculate, even more so, when information on its state is li…

quant-ph2020

Bayesian parameter estimation using Gaussian states and measurements

Simon Morelli, Ayaka Usui, Elizabeth Agudelo +1

Bayesian analysis is a framework for parameter estimation that applies even in uncertainty regimes where the commonly used local (frequentist) analysis based on the Cramér-Rao boun…

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