Characterization and verification of trotterized digital quantum simulation via hamiltonian and liouvillian learning
The goal of digital quantum simulation is to approximate the dynamics of a given target
Hamiltonian via a sequence of quantum gates, a procedure known as Trotterization. The …
Hamiltonian via a sequence of quantum gates, a procedure known as Trotterization. The …
Local-measurement-based quantum state tomography via neural networks
Quantum state tomography is a daunting challenge of experimental quantum computing,
even in moderate system size. One way to boost the efficiency of state tomography is via …
even in moderate system size. One way to boost the efficiency of state tomography is via …
Robust and efficient Hamiltonian learning
With the fast development of quantum technology, the sizes of both digital and analog
quantum systems increase drastically. In order to have better control and understanding of …
quantum systems increase drastically. In order to have better control and understanding of …
Unified quantum state tomography and Hamiltonian learning: A language-translation-like approach for quantum systems
As quantum technology rapidly advances, the need for efficient scalable methods to
characterize quantum systems intensifies. Quantum state tomography and Hamiltonian …
characterize quantum systems intensifies. Quantum state tomography and Hamiltonian …
Supervised learning in Hamiltonian reconstruction from local measurements on eigenstates
Reconstructing a system Hamiltonian through measurements on its eigenstates is an
important inverse problem in quantum physics. Recently, it was shown that generic many …
important inverse problem in quantum physics. Recently, it was shown that generic many …
High-accuracy Hamiltonian learning via delocalized quantum state evolutions
Learning the unknown Hamiltonian governing the dynamics of a quantum many-body
system is a challenging task. In this manuscript, we propose a possible strategy based on …
system is a challenging task. In this manuscript, we propose a possible strategy based on …
Recovery of a generic local Hamiltonian from a steady state
With the development of the quantum many-body simulator, Hamiltonian tomography has
become an increasingly important technique for verification of quantum devices. Here we …
become an increasingly important technique for verification of quantum devices. Here we …
[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 …
Efficiency of the hidden fermion determinant states Ansatz in the light of different complexity measures
Finding reliable approximations to the quantum many-body problem is one of the central
challenges of modern physics. Elemental to this endeavor is the development of advanced …
challenges of modern physics. Elemental to this endeavor is the development of advanced …
Determining the non-Hermitian parent Hamiltonian from a single eigenstate
XD Xie, ZY Xue, DB Zhang - Physical Review B, 2024 - APS
A quantum state for being an eigenstate of some local Hamiltonian should be constrained by
zero energy variance and consequently, the constraint is rather strong that a single …
zero energy variance and consequently, the constraint is rather strong that a single …