Nonadiabatic quantum optimization for crossing quantum phase transitions
A Grabarits, F Balducci, BC Sanders, A del Campo - Physical Review A, 2025 - APS
We consider the optimal driving of the ground state of a many-body quantum system across
a quantum phase transition in finite time. In this context, excitations caused by the …
a quantum phase transition in finite time. In this context, excitations caused by the …
Eliminating Surface Oxides of Superconducting Circuits with Noble Metal Encapsulation
The lifetime of superconducting qubits is limited by dielectric loss, and a major source of
dielectric loss is the native oxide present at the surface of the superconducting metal …
dielectric loss is the native oxide present at the surface of the superconducting metal …
Measuring central charge on a universal quantum processor
Central charge is a fundamental quantity in conformal field theories (CFT), and plays a
crucial role in determining universality classes of critical points in two-dimensional systems …
crucial role in determining universality classes of critical points in two-dimensional systems …
Quantum simulating continuum field theories with large-spin lattice models
Simulating the real-time dynamics of quantum field theories (QFTs) is one of the most
promising applications of quantum simulators. Regularizing a bosonic QFT for quantum …
promising applications of quantum simulators. Regularizing a bosonic QFT for quantum …
Statistics of topological defects across a phase transition in a superconducting quantum processor
When a quantum phase transition is crossed within a finite time, critical slowing down
disrupts adiabatic dynamics, resulting in the formation of topological defects. The average …
disrupts adiabatic dynamics, resulting in the formation of topological defects. The average …