925 citations · 10.7k across the 98 of their papers we have counts for
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Variational quantum simulation of U(1) lattice gauge theories with qudit systems
Pavel P. Popov, Michael Meth, Maciej Lewenstein +4
Lattice gauge theories are fundamental to various fields, including particle physics, condensed matter, and quantum information theory. Recent progress in the control of quantum sy…
A cavity quantum electrodynamics implementation of the Sachdev--Ye--Kitaev model
Philipp Uhrich, Soumik Bandyopadhyay, Nick Sauerwein +3
The search for a quantum theory of gravity has led to the discovery of quantum many-body systems that are dual to gravitational models with quantum properties. The perhaps most fam…
Suppression of noise in quantum simulators of gauge theories
Bhavik Kumar, Philipp Hauke, Jad C. Halimeh
In the current drive to quantum-simulate evermore complex gauge-theory phenomena, it is necessary to devise schemes allowing for the control and suppression of unavoidable gauge-br…
Absence of operator growth for average equal-time observables in charge-conserved sectors of the Sachdev-Ye-Kitaev model
Alessio Paviglianiti, Soumik Bandyopadhyay, Philipp Uhrich +1
Quantum scrambling plays an important role in understanding thermalization in closed quantum systems. By this effect, quantum information spreads throughout the system and becomes…
Squeezing and quantum approximate optimization
Gopal Chandra Santra, Fred Jendrzejewski, Philipp Hauke +1
Variational quantum algorithms offer fascinating prospects for the solution of combinatorial optimization problems using digital quantum computers. However, the achievable performa…
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…
Probing confinement in a lattice gauge theory on a quantum computer
Julius Mildenberger, Wojciech Mruczkiewicz, Jad C. Halimeh +2
Gauge theories describe the fundamental forces in the standard model of particle physics and play an important role in condensed matter physics. The constituents of gauge theories,…
Sampling Rare Conformational Transitions with a Quantum Computer
Danial Ghamari, Philipp Hauke, Roberto Covino +1
Spontaneous structural rearrangements play a central role in the organization and function of complex biomolecular systems. In principle, physics-based computer simulations like Mo…
Suppressing nonperturbative gauge errors in the thermodynamic limit using local pseudogenerators
Maarten Van Damme, Julius Mildenberger, Fabian Grusdt +2
With recent progress in quantum simulations of lattice-gauge theories, it is becoming a pressing question how to reliably protect the gauge symmetry that defines such models. In a…
Quantum Chaos and Universal Trotterisation Behaviours in Digital Quantum Simulations
Cahit Kargi, Angsar Manatuly, Lukas M. Sieberer +7
Digital quantum simulation (DQS) is one of the most promising paths for achieving first useful real-world applications for quantum processors. Yet even assuming rapid progress in d…
Non-invasive measurement of currents in analog quantum simulators
Kevin T. Geier, Janika Reichstetter, Philipp Hauke
Despite the pristine abilities of analog quantum simulators to study quantum dynamics, possibilities to detect currents are sparse. Here, we propose a flexible non-invasive techniq…
Gauge-Symmetry Protection Using Single-Body Terms
Jad C. Halimeh, Haifeng Lang, Julius Mildenberger +2
Quantum-simulator hardware promises new insights into problems from particle and nuclear physics. A major challenge is to reproduce gauge invariance, as violations of this quintess…
Dominant Reaction Pathways by Quantum Computing
Philipp Hauke, Giovanni Mattiotti, Pietro Faccioli
Characterizing thermally activated transitions in high-dimensional rugged energy surfaces is a very challenging task for classical computers. Here, we develop a quantum annealing s…
From entanglement certification with quench dynamics to multipartite entanglement of interacting fermions
Ricardo Costa de Almeida, Philipp Hauke
Multipartite entanglement, such as witnessed through the quantum Fisher information (QFI), is a crucial resource for quantum technologies, but its experimental certification is hig…
Perspectives of quantum annealing: Methods and implementations
Philipp Hauke, Helmut G. Katzgraber, Wolfgang Lechner +2
Quantum annealing is a computing paradigm that has the ambitious goal of efficiently solving large-scale combinatorial optimization problems of practical importance. However, many…
Digital Quantum Simulation, Trotter Errors, and Quantum Chaos of the Kicked Top
Lukas M. Sieberer, Tobias Olsacher, Andreas Elben +4
This work aims at giving Trotter errors in digital quantum simulation (DQS) of collective spin systems an interpretation in terms of quantum chaos of the kicked top. In particular,…
Environment-assisted quantum transport in a 10-qubit network
Christine Maier, Tiff Brydges, Petar Jurcevic +6
The way in which energy is transported through an interacting system governs fundamental properties in many areas of physics, chemistry, and biology. Remarkably, environmental nois…
Dynamical topological transitions in the massive Schwinger model with a θ-term
T. V. Zache, N. Mueller, J. T. Schneider +3
Aiming at a better understanding of anomalous and topological effects in gauge theories out-of-equilibrium, we study the real-time dynamics of a prototype model for CP-violation, t…
Quantum localization bounds Trotter errors in digital quantum simulation
Markus Heyl, Philipp Hauke, Peter Zoller
A fundamental challenge in digital quantum simulation (DQS) is the control of inherent errors. These appear when discretizing the time evolution generated by the Hamiltonian of a q…
Trapped-ion quantum simulation of excitation transport: disordered, noisy, and long-range connected quantum networks
Nils Trautmann, Philipp Hauke
The transport of excitations governs fundamental properties of matter. Particularly rich physics emerges in the interplay between disorder and environmental noise, even in small sy…
Revealing quantum statistics with a pair of distant atoms
C. F. Roos, A. Alberti, D. Meschede +2
Quantum statistics have a profound impact on the properties of systems composed of identical particles. In this Letter, we demonstrate that the quantum statistics of a pair of iden…
Relating out-of-time-order correlations to entanglement via multiple-quantum coherences
Martin Gärttner, Philipp Hauke, Ana Maria Rey
Out-of-time-order correlations (OTOCs) characterize the scrambling, or delocalization, of quantum information over all the degrees of freedom of a system and thus have been propose…
U(1) Wilson lattice gauge theories in digital quantum simulators
Christine Muschik, Markus Heyl, Esteban Martinez +7
Lattice gauge theories describe fundamental phenomena in nature, but calculating their real-time dynamics on classical computers is notoriously difficult. In a recent publication […
Direct observation of dynamical quantum phase transitions in an interacting many-body system
P. Jurcevic, H. Shen, P. Hauke +7
Dynamical quantum phase transitions (DQPTs) extend the concept of phase transitions and thus universality to the non-equilibrium regime. In this letter, we investigate DQPTs in a s…