Computational advantage of quantum random sampling
Quantum random sampling is the leading proposal for demonstrating a computational
advantage of quantum computers over classical computers. Recently the first large-scale …
advantage of quantum computers over classical computers. Recently the first large-scale …
Quantum-enhanced measurements without entanglement
Quantum-enhanced measurements exploit quantum mechanical effects for increasing the
sensitivity of measurements of certain physical parameters and have great potential for both …
sensitivity of measurements of certain physical parameters and have great potential for both …
[HTML][HTML] Photonic quantum metrology
Quantum metrology is one of the most promising applications of quantum technologies. The
aim of this research field is the estimation of unknown parameters exploiting quantum …
aim of this research field is the estimation of unknown parameters exploiting quantum …
Geometric perspective on quantum parameter estimation
Quantum metrology holds the promise of an early practical application of quantum
technologies, in which measurements of physical quantities can be made with much greater …
technologies, in which measurements of physical quantities can be made with much greater …
Deterministic entanglement generation from driving through quantum phase transitions
Many-body entanglement is often created through the system evolution, aided by nonlinear
interactions between the constituting particles. These very dynamics, however, can also lead …
interactions between the constituting particles. These very dynamics, however, can also lead …
Exact emergent quantum state designs from quantum chaotic dynamics
We present exact results on a novel kind of emergent random matrix universality that
quantum many-body systems at infinite temperature can exhibit. Specifically, we consider an …
quantum many-body systems at infinite temperature can exhibit. Specifically, we consider an …
Dynamical purification and the emergence of quantum state designs from the projected ensemble
Quantum thermalization in a many-body system is defined by the approach of local
subsystems toward a universal form, describable as an ensemble of quantum states wherein …
subsystems toward a universal form, describable as an ensemble of quantum states wherein …
Quantum Fisher information from randomized measurements
The quantum Fisher information (QFI) is a fundamental quantity of interest in many areas
from quantum metrology to quantum information theory. It can in particular be used as a …
from quantum metrology to quantum information theory. It can in particular be used as a …
Variational-state quantum metrology
Quantum technologies exploit entanglement to enhance various tasks beyond their classical
limits including computation, communication and measurements. Quantum metrology aims …
limits including computation, communication and measurements. Quantum metrology aims …
Classical simulation of photonic linear optics with lost particles
We explore the possibility of efficient classical simulation of linear optics experiments under
the effect of particle losses. Specifically, we investigate the canonical boson sampling …
the effect of particle losses. Specifically, we investigate the canonical boson sampling …