High-fidelity, multiqubit generalized measurements with dynamic circuits
Generalized measurements, also called positive operator-valued measures (POVMs), can
offer advantages over projective measurements in various quantum information tasks. Here …
offer advantages over projective measurements in various quantum information tasks. Here …
Causality violation and the speed of sound of hot and dense quark matter in the Nambu–Jona-Lasinio model
The Nambu–Jona-Lasinio model is widely used to study strong-interaction phenomena in
vacuum and quark matter. Since the model is nonrenormalizable, one needs to work within …
vacuum and quark matter. Since the model is nonrenormalizable, one needs to work within …
General measurements with limited resources and their application to quantum unambiguous state discrimination
D Reitzner, J Bouda - Quantum Information Processing, 2024 - Springer
In this report, we present a framework for implementing an arbitrary n-outcome generalized
quantum measurement (POVM) on an m-qubit register as a sequence of two-outcome …
quantum measurement (POVM) on an m-qubit register as a sequence of two-outcome …
Quantum sensor network metrology with bright solitons
We consider a multiparameter quantum metrology problem with bright soliton networks in
the presence of weak losses. We introduce the general Heisenberg limit (GHL) σ χ= 1/N k …
the presence of weak losses. We introduce the general Heisenberg limit (GHL) σ χ= 1/N k …
Enhanced quantum state preparation via stochastic predictions of neural networks
CC Li, RH He, ZM Wang - Physical Review A, 2023 - APS
In pursuit of enhancing the prediction capabilities of neural networks, it has been a
longstanding objective to create datasets encompassing a diverse array of samples. The …
longstanding objective to create datasets encompassing a diverse array of samples. The …
A novel approach to threshold quantum images by using unsharp measurements
We propose a hybrid quantum approach to threshold and binarize a grayscale image
through unsharp measurements (UM) relying on image histogram. Generally, the histograms …
through unsharp measurements (UM) relying on image histogram. Generally, the histograms …
Quantum Image Thresholding without Images
A Barui, M Pal, PK Panigrahi - arXiv preprint arXiv:2310.10753, 2023 - arxiv.org
We propose a hybrid quantum approach to threshold and binarize a grayscale image
through unsharp measurements (UM), which depends only on the image's histogram …
through unsharp measurements (UM), which depends only on the image's histogram …
Properties of strange quark matter and a quark star with axion interactions within an SU (3) Nambu–Jona-Lasinio model
PC Chu, H Liu, HM Liu, XH Li, M Ju, XH Wu, Y Zhou - Physical Review D, 2024 - APS
We investigate the properties of quark matter and quark stars (QSs) within the SU (3) Nambu-
Jona-Lasinio model, considering the effects of axion fields and vector interactions. Under the …
Jona-Lasinio model, considering the effects of axion fields and vector interactions. Under the …
Efficient fidelity estimation: Alternative derivation and related applications
Abstract In [Phys. Rev. A 107, 012427 (2023)], AJ Baldwin and JA Jones proved that
Uhlmann-Jozsa's fidelity between two quantum states ρ and σ, ie, F (ρ, σ)~:=~(Tr (ρ1/2σ …
Uhlmann-Jozsa's fidelity between two quantum states ρ and σ, ie, F (ρ, σ)~:=~(Tr (ρ1/2σ …
Preparing general mixed quantum states on quantum computers
The preparation of quantum states serves as a pivotal subroutine across various domains,
including quantum communication protocols, quantum computing, and the exploration of …
including quantum communication protocols, quantum computing, and the exploration of …