Article
Multidisciplinary Sciences
Shiqi Chen, Curtis W. Peterson, John A. Parker, Stuart A. Rice, Andrew L. Ferguson, Norbert F. Scherer
Summary: The study introduces a data-driven approach using principal components analysis and harmonic linear discriminant analysis to determine reaction coordinates of non-conservative overdamped systems like optical matter structures. This method can aid in understanding and controlling systems such as optical and active matter systems.
NATURE COMMUNICATIONS
(2021)
Article
Physics, Multidisciplinary
Jiachen Li, Tomaz Prosen, Amos Chan
Summary: The DSFF successfully diagnoses dissipative quantum chaos and reveals correlations between complex eigenvalues; for dissipative quantum chaotic systems, the DSFF exhibits exact rotational symmetry and unique evolution features; for dissipative quantum integrable systems, the DSFF takes a constant value except for specific behaviors in certain regions of complex time.
PHYSICAL REVIEW LETTERS
(2021)
Article
Engineering, Multidisciplinary
Y. D. Selyutskiy
Summary: This work explores the influence of potential forces on the stability of trivial equilibrium in 2DoF nonconservative systems, finding conditions where an increase in stiffness corresponding to one of the generalized coordinates results in multiple changes in stability character. This effect is illustrated using the example of an aeroelastic system with two translational degrees of freedom.
APPLIED MATHEMATICAL MODELLING
(2021)
Article
Optics
Xiao Li, Hongxia Zheng, Chi Hong Yuen, Junjie Du, Jun Chen, Zhifang Lin, Jack Ng
Summary: The study rigorously calculated the conservative gradient force (GF) and non-conservative scattering force (SF) associated with optical tweezers under various parameters. The results show the performance of optical traps under different conditions and provide guidance for future research.
Article
Mathematics, Applied
D. A. N. I. E. L. Adams, Manh Hong Duong, GONcALO DOS Reis
Summary: In this paper, a natural operator-splitting variational scheme is developed for a general class of non-local, degenerate conservative-dissipative evolutionary equations. The scheme solves the conservative phase exactly and the dissipative phase approximately using a JKO-type variational scheme. Convergence of both schemes to a weak solution of the evolutionary equation is proven. The generality of the work is demonstrated with several examples including the kinetic Fokker-Planck equation and the (regularized) Vlasov-Poisson-Fokker-Planck equation.
DISCRETE AND CONTINUOUS DYNAMICAL SYSTEMS
(2022)
Article
Mathematics, Applied
G. Gonzalez Acosta, A. Plastino, A. M. Kowalski
Summary: We investigate the nonlinear dynamics of a quartic semiclassical system, which provides a description of the interaction between matter and a field. Our analysis covers both dissipative and conservative scenarios, and focuses on the classical limit of these frameworks. Utilizing a system's invariant associated with the Uncertainty Principle, we determine the dynamics towards the classical regime. We demonstrate the convergence to the classical limit and confirm the fulfillment of the Uncertainty Principle throughout the entire process, including cases with dissipation.
Article
Physics, Multidisciplinary
Masaya Nakagawa, Norio Kawakami, Masahito Ueda
Summary: In this study, a one-dimensional dissipative Hubbard model with two-body loss is shown to be exactly solvable. By using a non-Hermitian extension of the Bethe-ansatz method, an exact eigenspectrum of a Liouvillian supemperator is obtained, revealing phenomena such as spin-charge separation and dissipative effects induced by the quantum Zeno effect. This research introduces a new class of exactly solvable Liouvillians of open quantum many-body systems, which can be experimentally tested using ultracold atoms subject to inelastic collisions.
PHYSICAL REVIEW LETTERS
(2021)
Article
Computer Science, Interdisciplinary Applications
Krzysztof Pomorski
Summary: The mathematical equivalence between finite state stochastic machine and quantum tight-binding and Schrodinger model is derived. The stochastic finite state machine can also be expressed by classical epidemic model and reproduce the quantum entanglement. These results show that classical statistical models, such as finite state stochastic machine, can simulate quantum phenomena. This has implications for the incorporation of quantum technologies, such as quantum computation and communication, using classical systems.
MATHEMATICS AND COMPUTERS IN SIMULATION
(2023)
Review
Multidisciplinary Sciences
Antonio Rodriguez, Alessandro Pluchino, Ugur Tirnakli, Andrea Rapisarda, Constantino Tsallis
Summary: Despite the successes of Boltzmann-Gibbs statistical mechanics in describing physical systems at thermal equilibrium, it has been shown that it has several flaws in addressing out-of-equilibrium dynamics of many nonlinear complex systems. In such circumstances, a generalization known as nonextensive statistical mechanics, based on nonadditive entropies, is able to handle wide classes of anomalous features and violations of standard equilibrium prescriptions. This study reviews important results of nonextensive statistical mechanics for dissipative and conservative dynamical systems, including discrete-time and continuous-time systems, as well as networks and systems with diverse dimensionalities and ranges of interactions.
Article
Multidisciplinary Sciences
Davide Dreon, Alexander Baumgaertner, Xiangliang Li, Simon Hertlein, Tilman Esslinger, Tobias Donner
Summary: This study reports an emergent mechanism for pumping in a quantum gas coupled to an optical resonator, where a particle current is observed without applying a periodic drive. The pumping potential experienced by the atoms is formed by the interference between the self-consistent cavity field and the static laser field driving the atoms.
Article
Quantum Science & Technology
Marco Cattaneo, Matteo A. C. Rossi, Guillermo Garcia-Perez, Roberta Zambrini, Sabrina Maniscalco
Summary: This study presents the first fully quantum simulation of dissipative collective phenomena on a real quantum computer, and investigates the accuracy of the algorithm on noisy quantum computers. Experimental results show the emergence of collective effects in the quantum simulation.
Article
Optics
Yi Zheng, Shuo Yang
Summary: This study demonstrates the presence of symmetric dynamics in dissipative quantum many-body systems, showing how the symmetry can be observed in different physical models and during evolution. The research presents two theorems to determine the existence of this symmetry, highlighting its manifestation in steady state and real-time evolutions.
Article
Chemistry, Multidisciplinary
Haeri Lee, Jacopo Tessarolo, Daniel Langbehn, Ananya Baksi, Rainer Herges, Guido H. Clever
Summary: Stimuli-responsive coordination cages can reversibly control guest binding and release, which is important for adaptive receptors, carriers, catalysts, and complex systems. A Pd-mediated coordination cage based on a light-switchable ligand is reported, which can achieve reversible conversion through irradiation or thermal relaxation.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2022)
Article
Physics, Multidisciplinary
Guangyao Li, Olivier Bleu, Meera M. Parish, Jesper Levinsen
Summary: The study examines the interaction between strong light and matter, as well as charge doping. By using a simplified model of a two-dimensional semiconductor embedded in a microcavity, a diagrammatic formalism is developed for the system with an emphasis on the scatterings between different particles. Results indicate that the scattering between spin-polarized polaritons and electrons is significantly enhanced due to the shifted collision energy from strong light-matter coupling.
PHYSICAL REVIEW LETTERS
(2021)
Article
Nanoscience & Nanotechnology
Zhujing Xu, Xingyu Gao, Jaehoon Bang, Zubin Jacob, Tongcang Li
Summary: The study explores the non-reciprocal energy transfer phenomenon caused by quantum vacuum fluctuations, demonstrating strong coupling between two micromechanical oscillators through modulation of Casimir interaction parameters, leading to non-reciprocal energy transfer.
NATURE NANOTECHNOLOGY
(2022)
Article
Physics, Multidisciplinary
Federico Carollo, Edward Gillman, Hendrik Weimer, Igor Lesanovsky
PHYSICAL REVIEW LETTERS
(2019)
Article
Physics, Multidisciplinary
S. Whitlock, H. Wildhagen, H. Weimer, M. Weidemueller
PHYSICAL REVIEW LETTERS
(2019)
Article
Multidisciplinary Sciences
Meghana Raghunandan, Fabian Wolf, Christian Ospelkaus, Piet O. Schmidt, Hendrik Weimer
Article
Physics, Multidisciplinary
Tim Pistorius, Javad Kazemi, Hendrik Weimer
PHYSICAL REVIEW LETTERS
(2020)
Review
Physics, Multidisciplinary
Hendrik Weimer, Augustine Kshetrimayum, Roman Orus
Summary: Coupling a quantum many-body system to an external environment can significantly alter its dynamics, leading to new possibilities not available in closed systems. Understanding the properties of the steady state and relaxation dynamics of open quantum many-body systems is of particular interest. New computational tools are needed to simulate these systems, as existing methods for closed systems are not directly applicable. This review discusses various approaches to simulating open many-body systems and highlights recent advances in simulating large system sizes.
REVIEWS OF MODERN PHYSICS
(2021)
Article
Physics, Multidisciplinary
Vijay Pal Singh, Hendrik Weimer
Summary: We propose a numerical simulation approach for open quantum many-body systems based on the semiclassical framework of the discrete truncated Wigner approximation. We establish a quantum jump formalism to accurately describe the dynamics of the system, which is exact in both the noninteracting limit and the classical rate equation limit. Applying our method to the dissipative Ising model, we are able to capture critical fluctuations beyond mean-field theory.
PHYSICAL REVIEW LETTERS
(2022)
Article
Physics, Multidisciplinary
Javad Kazemi, Hendrik Weimer
Summary: This study theoretically analyzes the steady state of a van der Waals interacting Rydberg gas in an optical lattice, with a focus on the physics of the Rydberg blockade. The research finds that, under sufficiently strong dephasing, the steady state undergoes a first order phase transition from a blockaded Rydberg gas to a facilitation phase where the blockade is lifted. This transition terminates in a critical point, offering a promising route to investigate dissipative criticality in these systems.
PHYSICAL REVIEW LETTERS
(2023)
Article
Materials Science, Multidisciplinary
Amit Jamadagni, Javad Kazemi, Hendrik Weimer
Summary: We propose a binary classifier based on neural networks to detect gapped quantum phases. By considering the errors on a suitable reference state, we demonstrate that a neural network trained on these errors can capture the correlation between the errors and detect the phase boundaries. We apply this method to matrix product state calculations for various quantum phases.
Article
Materials Science, Multidisciplinary
Amit Jamadagni, Hendrik Weimer
Summary: This study analyzes the phase diagram of a topological insulator model with antiferromagnetic interactions using a topological error correction method. It shows that efficient error correction statistics can be obtained through Monte Carlo sampling of ground state wave function represented by matrix product states, identifying two distinct topological phases as well as a topologically trivial antiferromagnetic phase.
Proceedings Paper
Computer Science, Software Engineering
Tobias Schmale, Bence Temesi, Alakesh Baishya, Nicolas Pulido-Mateo, Ludwig Krinner, Timko Dubielzig, Christian Ospelkaus, Hendrik Weimer, Daniel Borcherding
Summary: This study introduces a promising architecture for scaling up quantum computers based on trapped ions, known as Quantum Charged-Coupled Devices (QCCD), and presents the backend compiler phases needed for running quantum circuits on this architecture, along with strategies to solve optimization problems.
2022 IEEE INTERNATIONAL CONFERENCE ON QUANTUM SOFTWARE (IEEE QSW 2022)
(2022)
Article
Materials Science, Multidisciplinary
Amit Jamadagni, Hendrik Weimer
Summary: The lack of comprehensive understanding of topological order can be interpreted as the ability of a system to perform topological error correction. This operational approach lays the conceptual foundations for previous classifications of topological order and has also led to successful classification in the case of topological order in open quantum systems. The viability of topological order in nonequilibrium quantum systems substantially broadens the scope of possible technological applications.
Article
Optics
Tim Pistorius, Hendrik Weimer
Summary: The study introduces a method to analyze the quantum master equation for driven-disspative bosonic fields with arbitrary large occupation numbers. By combining the P representation of the density matrix and the variational principle, accurate results can be obtained. Additionally, introducing extra variational parameters proves useful in describing correlations between different modes in the simulation.
Article
Physics, Multidisciplinary
Amit Jamadagni, Silke Ospelkaus, Luis Santos, Hendrik Weimer
Summary: This study presents a toolbox for controlled manipulation of ultracold polar molecules, utilizing fast chemical reactions between molecules and atoms for atom-molecule entanglement and dissipative dynamics engineering. Experimental parameters for achieving high fidelities can be determined through numerical optimization. The study exemplifies the approach with NaK molecules and Na atoms, addressing residual imperfections like finite strength of the quantum Zeno blockade.
PHYSICAL REVIEW RESEARCH
(2021)
Article
Physics, Multidisciplinary
L. Timm, H. Weimer, L. Santos, T. E. Mehlstaeubler
PHYSICAL REVIEW RESEARCH
(2020)
Article
Materials Science, Multidisciplinary
Amit Jamadagni, Hendrik Weimer, Arpan Bhattacharyya