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9 papers · 2 filters
Adaptive, symmetry-informed Bayesian metrology for precise quantum technology measurements
Matt Overton, Jesús Rubio, Nathan Cooper +4
High precision measurements are essential to solve major scientific and technological challenges, from gravitational wave detection to healthcare diagnostics. Quantum sensing deliv…
Deep Circuit Compression for Quantum Dynamics via Tensor Networks
Joe Gibbs, Lukasz Cincio
Dynamic quantum simulation is a leading application for achieving quantum advantage. However, high circuit depths remain a limiting factor on near-term quantum hardware. We present…
A Real-time Instanton Approach to Quantum Activation
Chang-Woo Lee, Paul Brookes, Kee-Su Park +2
Driven-dissipative nonlinear systems exhibit rich critical behavior, related to bifurcation, bistability and switching, which underlie key phenomena in areas ranging from physics,…
Phase-space measurements, decoherence and classicality
Dorje C. Brody, Eva-Maria Graefe, Rishindra Melanathuru
The emergence of classical behaviour in quantum theory is often ascribed to the interaction of a quantum system with its environment, which can be interpreted as environmental moni…
The Decoherent Arrow of Time and the Entanglement Past Hypothesis
Jim Al-Khalili, Eddy Keming Chen
If an asymmetry in time does not arise from the fundamental dynamical laws of physics, it may be found in special boundary conditions. The argument normally goes that since thermod…
Holographic Gaussian Boson Sampling with Matrix Product States on 3D cQED Processors
Ningyi Lyu, Paul Bergold, Micheline B. Soley +2
We introduce quantum circuits for simulations of multi-mode state-vectors on 3D cQED processors, using matrix product state representations. The circuits are demonstrated as applie…