University of Innsbruck is hiring:
University Assistant (Postdoc) in Theoretical Physics
@tenuretracker.bsky.social
@tenuretracker.bsky.socialUniversity of Innsbruck is hiring:
University Assistant (Postdoc) in Theoretical Physics
@informaq.bsky.socialNovel sweep algorithm reduces dynamical expectation value estimation errors 2-3 orders of magnitude by jointly optimizing state and observable approximations, advancing quantum simulation efficiency.
@informaq.bsky.socialResearchers demonstrate quantum mechanics is essential—not supplemental—to modeling ferroelectric and antiferroelectric phase transitions, offering more accurate and efficient simulations than classical methods.
@informaq.bsky.socialA variational approach bridges weak and strong interaction limits for BEC dynamics in time-dependent traps, using exact ground-state profiles with zero adjustable parameters. Validated experimentally across full interaction crossover.
@informaq.bsky.socialDemonstrates high-fidelity BEC transport on atom chips using inverse-optimized wire currents. Achieves >99.97% endpoint fidelity via 3D simulations, with surrogate models enabling rapid exploration of transport schedules at multiple atom numbers.
@markeatherly.bsky.socialFast Pulses for High-Fidelity Circularization of Interacting Rydberg atoms
Circular states in Rydberg atoms offer a promising platform for quantum computation, quantum simulation and quantum sensing.
@informaq.bsky.socialNovel classical simulation framework reduces expectation value estimation complexity from quadratic to linear in practical scenarios via adaptive variance monitoring, achieving 47+ million-fold speedup over conservative bounds on QAOA benchmarks.
@informaq.bsky.socialFixed-node iteration converges to quantum ground states when initialized with correct sign structures; novel proofs reveal amplitude dependence vanishes through self-consistent iteration, clarifying foundations of classical quantum simulation.
@informaq.bsky.socialqdmag enables efficient simulation of magnetic molecule dynamics under time-varying fields with spin-phonon coupling. This Python tool bridges theory and experiment for pulsed-field magnetometry of quantum spin systems.
@informaq.bsky.socialNovel unitary quantum collision operator solves the unitarity problem in quantum lattice Boltzmann simulation, enabling gate-level circuit implementation for fluid dynamics with O(Δt²) accuracy matching classical BGK methods.
@informaq.bsky.socialEBES provides a computational framework modeling quantum experiments at event-granularity without quantum theory, using discrete simulations of interference, entanglement, and delayed-choice experiments with classical local rules.
@informaq.bsky.socialOVQRTE reduces measurement costs 1-2 orders of magnitude for quantum dynamics simulation vs existing methods. Demonstrated on 24-qubit IQM Emerald superconducting processor, enabling efficient condensed-matter applications.
@markeatherly.bsky.socialSector-memory obstruction to probe-level bath emergence in finite programmable qubit environments
Finite quantum environments can relax local probes without acting as canonical baths.
@informaq.bsky.socialNovel Monte Carlo method for quantum simulation replaces truncation errors with evaluable statistical errors, outperforming standard TEBD approaches in entanglement-rich systems while maintaining unbiased expectation values.
@informaq.bsky.socialNew method compresses high-body operator correlations into state-relevant components for efficient quantum many-body simulation, achieving stable hierarchies on 3D lattices with substantially improved error control over standard truncation schemes.
@informaq.bsky.socialWe developed transpilation-aware GNNs to predict noisy quantum simulator runtimes, finding that post-transpilation circuit graphs substantially improve prediction accuracy—enabling better resource allocation for quantum computing.
@informaq.bsky.socialPhasecraft and NVIDIA demonstrated 15x acceleration in quantum simulations using hardware-adaptive algorithms with NVIDIA AI infrastructure, advancing progress toward fault-tolerant quantum computing under the Wellcome Leap Q4Bio programme.
@markeatherly.bsky.socialMeasurement Geometry as a Resource for Certifying Network Nonlocality
Quantum networks can exhibit nonclassical correlations that cannot be explained by classical models with independent sources.
@markeatherly.bsky.socialOak Ridge, Cleveland Clinic, and IBM Demonstrate Quantum Simulations for Fusion Materials
@markeatherly.bsky.socialTransmon Phase Gates Controlled by Superconducting Soliton DAC
We introduce a superconducting digital-to-analog converter (DAC) that filters control noise, provides native multiplexing, performs quantum gates in nanoseconds, and can be controlled by CMOS.