2.1k citations · 35.5k across the 437 of their papers we have counts for
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Quantum optical analysis of high-order harmonic generation in H molecular ions
J. Rivera-Dean, P. Stammer, A. S. Maxwell +5
We present a comprehensive theoretical investigation of high-order harmonic generation in H molecular ions within a quantum optical framework. Our study focuses on characteri…
Quantum Optics as Applied Quantum Electrodynamics is back in town
Philipp Stammer, Maciej Lewenstein
We start this short note by remembering the beginnings of the Warsaw School of Quantum Optics, evidently stimulated by Iwo Bialynicki-Birula at the Warsaw University, and then Cent…
Certifying the quantum Fisher information from a given set of mean values: a semidefinite programming approach
Guillem Müller-Rigat, Anubhav Kumar Srivastava, Stanisław Kurdziałek +3
We introduce a semidefinite programming algorithm to find the minimal quantum Fisher information compatible with an arbitrary dataset of mean values. This certification task allows…
Generation of scalable many-body Bell correlations in spin chains with short-range two-body interactions
Marcin Płodzień, Tomasz Wasak, Emilia Witkowska +2
Dynamical generation of strong and scalable quantum resources, like many-body entanglement and Bell correlations, in spin- chains, is possible with all-to-all interactions, ei…
Steady-state Quantum Thermodynamics with Synthetic Negative Temperatures
Mohit Lal Bera, Tanmoy Pandit, Kaustav Chatterjee +4
A bath with a negative temperature is a subject of intense debate in recent times. It raises fundamental questions not only on our understanding of negative temperature of a bath i…
Strong laser physics, non-classical light states and quantum information science
Utso Bhattacharya, Theocharis Lamprou, Andrew S. Maxwell +7
Strong laser physics is a research direction that relies on the use of high-power lasers and has led to fascinating achievements ranging from relativistic particle acceleration to…
Probing quantum correlations in many-body systems: a review of scalable methods
Irénée Frérot, Matteo Fadel, Maciej Lewenstein
We review methods that allow one to detect and characterise quantum correlations in many-body systems, with a special focus on approaches which are scalable. Namely, those applicab…
Linear maps as sufficient criteria for entanglement depth and compatibility in many-body systems
Maciej Lewenstein, Guillem Müller-Rigat, Jordi Tura +1
Physical transformations are described by linear maps that are completely positive and trace preserving (CPTP). However, maps that are positive (P) but not completely positive (CP)…
Entanglement and non-classical states of light in a strong-laser driven solid-state system
Javier Rivera-Dean, Philipp Stammer, Andrew S. Maxwell +6
The development of sources delivering non-classical states of light is one of the main needs for applications of optical quantum information science. Here, we demonstrate the gener…
Qubit-environment entanglement outside of pure decoherence: hyperfine interaction
Tymoteusz Salamon, Marcin Płodzień, Maciej Lewenstein +1
In spin-based architectures of quantum devices, the hyperfine interaction between the electron spin qubit and the nuclear spin environment remains one of the main sources of decohe…
Attosecond Physics and Quantum Information Science
M. Lewenstein, N. Baldelli, U. Bhattacharya +14
In this article, we will discuss a possibility of a symbiosis for attophysics (AP) and quantum information (QI) and quantum technologies (QT). We will argue that within few years A…
One-axis twisting as a method of generating many-body Bell correlations
Marcin Płodzień, Maciej Lewenstein, Emilia Witkowska +1
We demonstrate that the one-axis twisting (OAT), a versatile method of creating non-classical states of bosonic qubits, is a powerful source of many-body Bell correlations. We deve…
Quantum Random Number Generators : Benchmarking and Challenges
David Cirauqui, Miguel Ángel García-March, Guillem Guigó Corominas +5
We discuss the current state of the art of Quantum Random Number Generators (QRNG) and their possible applications in the search for quantum advantages. To this aim, we first discu…
Quantum electrodynamics of intense laser-matter interactions: A tool for quantum state engineering
Philipp Stammer, Javier Rivera-Dean, Andrew Maxwell +5
Intense laser-matter interactions are at the center of interest in research and technology since the development of high power lasers. They have been widely used for fundamental st…
The Coming Decades of Quantum Simulation
Joana Fraxanet, Tymoteusz Salamon, Maciej Lewenstein
Contemporary quantum technologies face major difficulties in fault tolerant quantum computing with error correction, and focus instead on various shades of quantum simulation (Nois…
Boundary-induced singularity in strongly-correlated quantum systems at finite temperature
Ding-Zu Wang, Guo-Feng Zhang, Maciej Lewenstein +1
Exploring the bulk-boundary correspondences and the boundary-induced phenomena in the strongly-correlated quantum systems belongs to the most fundamental topics of condensed matter…
Modern applications of machine learning in quantum sciences
Anna Dawid, Julian Arnold, Borja Requena +26
In this book, we provide a comprehensive introduction to the most recent advances in the application of machine learning methods in quantum sciences. We cover the use of deep learn…
Quantum approximate optimization algorithm for qudit systems
Yannick Deller, Sebastian Schmitt, Maciej Lewenstein +5
A frequent starting point of quantum computation platforms are two-state quantum systems, i.e., qubits. However, in the context of integer optimization problems, relevant to schedu…
Efficient Simulation of Quantum Many-body Thermodynamics by Tailoring Zero-temperature Tensor Network
Ding-Zu Wang, Guo-Feng Zhang, Maciej Lewenstein +1
Numerical annealing and renormalization group have conceived various successful approaches to study the thermodynamics of strongly-correlated systems where perturbation or expansio…
Scar States in Deconfined Lattice Gauge Theories
Adith Sai Aramthottil, Utso Bhattacharya, Daniel González-Cuadra +3
The weak ergodicity breaking induced by quantum many-body scars (QMBS) represents an intriguing concept that has received great attention in recent years due to its relation to unu…
Unsupervised detection of decoupled subspaces: many-body scars and beyond
Tomasz Szołdra, Piotr Sierant, Maciej Lewenstein +1
Highly excited eigenstates of quantum many-body systems are typically featureless thermal states. Some systems, however, possess a small number of special, low-entanglement eigenst…
Strong laser fields and their power to generate controllable high-photon-number coherent-state superpositions
Javier Rivera-Dean, Theocharis Lamprou, Emilio Pisanty +5
Recently, intensely driven laser-matter interactions have been used to connect the fields of strong laser field physics with quantum optics by generating non-classical states of li…
Superresolving collective quantum measurements
J. O. de Almeida, M. Lewenstein, M. Skotiniotis
We demonstrate a method for super-resolving signals encoded as finite mixtures of bosonic modes using collective measurements that exploit permutation symmetry. Specifically, we us…
Applications of Quantum Randomness: From Rabi Oscillations to Fourier Axis Controlling the Musical Timbre
Reiko Yamada, Samuele Grandi, Gorka Muñoz-Gil +3
Randomness has attracted great interest in the field of music composition for quite some time. As early as 1962, Iannis Xenakis started exploring a stochastic approach to randomnes…