8 citations · 13 across the 12 of their papers we have counts for
13 papers
Hysteresis in Atomic Josephson Junctions
Vijay Pal Singh, Ludwig Mathey, Luigi Amico
Hysteresis and retrapping are hallmarks of underdamped Josephson dynamics, yet they have remained elusive in atomic Josephson junctions. Here, we introduce a velocity-sweep protoco…
Phase-resolved multichannel quantum escape between limit cycles
Caroline Nowoczyn, Ludwig Mathey, Kilian Seibold
Driven-dissipative quantum systems can recover stable dynamical attractors in the semiclassical limit, including coexisting limit cycles. At finite fluctuation strength, this class…
Deterministic Quantum Jump (DQJ) Method for Weakly Dissipative Systems
Marcus Meschede, Ludwig Mathey
Physical quantum systems are generically coupled to an environment, resulting in open system dynamics. A typical approach to simulating this dynamics is to propagate the density ma…
First-order transition into a topological superfluid state in an atom-cavity system
Hannah Kleine-Pollmann, Ludwig Mathey
We propose to combine Bose-Einstein condensation in higher Bloch bands and a driven-dissipative cavity-BEC system into a hybrid light-matter platform. Specifically, the condensate…
Quantum Deep Learning: A Comprehensive Review
Yanjun Ji, Zhao-Yun Chen, Marco Roth +10
Quantum deep learning (QDL) explores the use of both quantum and quantum-inspired resources to determine when deep learning's core capabilities, such as expressivity, generalizatio…
Controlled generation of 3D vortices in driven atomic Josephson junctions
Vijay Pal Singh, Ludwig Mathey, Herwig Ott +1
We propose an ac-driven atomic Josephson junction as a clean and tunable source of three dimensional (3D) solitary waves in quantum fluids. Depending on the height of the junction…
Weak-link to tunneling crossover in an atomic Josephson junction
Vijay Pal Singh, Erik Bernhart, Marvin Röhrle +3
We present a unified, quantitative description of transport across the crossover between hydrodynamic weak-link flow and tunneling-dominated Josephson dynamics in a three-dimension…
Realizing an Atomtronic AQUID in a Rotating-Box Potential
Kaspar Görg, Ludwig Mathey, Vijay Pal Singh
Atomtronic devices are matter-wave circuits designed to emulate the functional behavior of their electronic counterparts. Motivated by superconducting quantum interference devices…
Universal quantum melting of quasiperiodic attractors in driven-dissipative cavities
Caroline Nowoczyn, Ludwig Mathey, Kilian Seibold
Nonlinear classical mechanics has established rich phenomena. These include limit tori defined by toroidal attractors supporting quasiperiodic motion with incommensurate frequencie…
Atomic Josephson Parametric Amplifier
Vijay Pal Singh, Luigi Amico, Ludwig Mathey
We study the dynamics of a driven atomic Josephson junction that we propose as a parametric amplifier. By periodically modulating the position of the barrier, we induce a small cur…
Eigen-SNAP gate for photonic qubits in a cavity-transmon system
Marcus Meschede, Ludwig Mathey
In the pursuit of robust quantum computing, we put forth a platform based on photonic qubits in a circuit-QED environment. Specifically, we propose a versatile two-qubit gate based…
Designing Atomtronic Circuits via Superfluid Dynamics
Sarah Jährling, Vijay Pal Singh, Ludwig Mathey
We propose to design atomtronic circuits with Bose-Einstein condensates (BECs) in circuit-like traps that are controlled via mobile barriers. Using classical-field simulations, we…
Observation of Shapiro steps in an ultracold atomic Josephson junction
Erik Bernhart, Marvin Röhrle, Vijay Pal Singh +3
The current-voltage characteristic of a driven superconducting Josephson junction displays discrete steps. This phenomenon, called the Shapiro steps, forms today's voltage standard…