Learning many-body Hamiltonians with Heisenberg-limited scaling
Learning a many-body Hamiltonian from its dynamics is a fundamental problem in physics.
In this Letter, we propose the first algorithm to achieve the Heisenberg limit for learning an …
In this Letter, we propose the first algorithm to achieve the Heisenberg limit for learning an …
Inverse Mpemba effect demonstrated on a single trapped ion qubit
The Mpemba effect is a counterintuitive phenomena in which a hot system reaches a cold
temperature faster than a colder system, under otherwise identical conditions. Here, we …
temperature faster than a colder system, under otherwise identical conditions. Here, we …
Practical Hamiltonian learning with unitary dynamics and Gibbs states
We study the problem of learning the parameters for the Hamiltonian of a quantum many-
body system, given limited access to the system. In this work, we build upon recent …
body system, given limited access to the system. In this work, we build upon recent …
Heisenberg-limited Hamiltonian learning for interacting bosons
We develop a protocol for learning a class of interacting bosonic Hamiltonians from
dynamics with Heisenberg-limited scaling. For Hamiltonians with an underlying bounded …
dynamics with Heisenberg-limited scaling. For Hamiltonians with an underlying bounded …
Lindblad tomography of a superconducting quantum processor
As progress is made towards the first generation of error-corrected quantum computers,
robust characterization and validation protocols are required to assess the noise …
robust characterization and validation protocols are required to assess the noise …
Scalable Hamiltonian learning for large-scale out-of-equilibrium quantum dynamics
Large-scale quantum devices provide insights beyond the reach of classical simulations.
However, for a reliable and verifiable quantum simulation, the building blocks of the …
However, for a reliable and verifiable quantum simulation, the building blocks of the …
Optimal short-time measurements for Hamiltonian learning
A Zubida, E Yitzhaki, NH Lindner, E Bairey - arXiv preprint arXiv …, 2021 - arxiv.org
Characterizing noisy quantum devices requires methods for learning the underlying
quantum Hamiltonian which governs their dynamics. Often, such methods compare …
quantum Hamiltonian which governs their dynamics. Often, such methods compare …
Optimized steering: Quantum state engineering and exceptional points
The state of a quantum system may be steered towards a predesignated target state,
employing a sequence of weak blind measurements (where the detector's readouts are …
employing a sequence of weak blind measurements (where the detector's readouts are …
Engineering two-qubit mixed states with weak measurements
It is known that protocols based on weak measurements can be used to steer quantum
systems into predesignated pure states. Here we show that weak-measurement-based …
systems into predesignated pure states. Here we show that weak-measurement-based …
[HTML][HTML] Recovery of a generic local Hamiltonian from a degenerate steady state
Hamiltonian Learning (HL) is essential for validating quantum systems in quantum
computing. Not all Hamiltonians can be uniquely recovered from a steady state. HL success …
computing. Not all Hamiltonians can be uniquely recovered from a steady state. HL success …