Quantum pseudoentanglement

S Aaronson, A Bouland, B Fefferman, S Ghosh… - arXiv preprint arXiv …, 2022 - arxiv.org
Entanglement is a quantum resource, in some ways analogous to randomness in classical
computation. Inspired by recent work of Gheorghiu and Hoban, we define the notion of" …

[PDF][PDF] A little magic means a lot

A Gu, L Leone, S Ghosh, J Eisert, S Yelin… - arXiv preprint arXiv …, 2023 - drive.google.com
Notions of so-called magic quantify how non-classical quantum states are in a precise
sense: low values of magic preclude quantum advantage; they also play a key role in …

Pseudorandom isometries

P Ananth, A Gulati, F Kaleoglu, YT Lin - … on the Theory and Applications of …, 2024 - Springer
We introduce a new notion called Q-secure pseudorandom isometries (PRI). A
pseudorandom isometry is an efficient quantum circuit that maps an n-qubit state to an (n+ …

Black box work extraction and composite hypothesis testing

K Watanabe, R Takagi - arXiv preprint arXiv:2407.03400, 2024 - arxiv.org
Work extraction is one of the most central processes in quantum thermodynamics. However,
the prior analysis of optimal extractable work has been restricted to a limited operational …

Pseudochaotic Many-Body Dynamics as a Pseudorandom State Generator

W Lee, H Kwon, GY Cho - arXiv preprint arXiv:2410.21268, 2024 - arxiv.org
We introduce a new class of quantum many-body dynamics in quantum simulations,
namely'pseudochaotic dynamics,'which generates computationally indistinguishable states …

Fast pseudothermalization

W Lee, H Kwon, GY Cho - arXiv preprint arXiv:2411.03974, 2024 - arxiv.org
Quantum resources like entanglement and magic are essential for characterizing the
complexity of quantum states. However, when the number of copies of quantum states and …

Robustness-and weight-based resource measures without convexity restriction: Multicopy witness and operational advantage in static and dynamical quantum …

K Kuroiwa, R Takagi, G Adesso, H Yamasaki - Physical Review A, 2024 - APS
Quantum resource theories (QRTs) provide a unified framework to analyze quantum
properties as resources for achieving advantages in quantum information processing. The …