Skip to main content
U.S. Department of Energy
Office of Scientific and Technical Information

Improved Accuracy for Trotter Simulations Using Chebyshev Interpolation

Journal Article · · Quantum
 [1];  [2];  [3]
  1. Zapata Computing Inc., Boston, MA (United States)
  2. Michigan State Univ., East Lansing, MI (United States)
  3. Univ. of Toronto, ON (Canada); Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)
Quantum metrology allows for measuring properties of a quantum system at the optimal Heisenberg limit. However, when the relevant quantum states are prepared using digital Hamiltonian simulation, the accrued algorithmic errors will cause deviations from this fundamental limit. In this work, we show how algorithmic errors due to Trotterized time evolution can be mitigated through the use of standard polynomial interpolation techniques. Our approach is to extrapolate to zero Trotter step size, akin to zero-noise extrapolation techniques for mitigating hardware errors. We perform a rigorous error analysis of the interpolation approach for estimating eigenvalues and time-evolved expectation values, and show that the Heisenberg limit is achieved up to polylogarithmic factors in the error. Our work suggests that accuracies approaching those of state-of-the-art simulation algorithms may be achieved using Trotter and classical resources alone for a number of relevant algorithmic tasks.
Research Organization:
Brookhaven National Laboratory (BNL), Upton, NY (United States); Michigan State Univ., East Lansing, MI (United States)
Sponsoring Organization:
USDOE; USDOE Laboratory Directed Research and Development (LDRD) Program; USDOE Office of Science (SC), Nuclear Physics (NP)
Grant/Contract Number:
SC0012704; SC0023658
OSTI ID:
2311917
Alternate ID(s):
OSTI ID: 3006233
Journal Information:
Quantum, Journal Name: Quantum Vol. 8; ISSN 2521-327X
Publisher:
Quantum Science Open CommunityCopyright Statement
Country of Publication:
United States
Language:
English

References (46)

Norms and exclusion theorems journal December 1960
Numerical Mathematics book January 2007
Efficient Quantum Algorithms for Simulating Sparse Hamiltonians journal December 2006
On the numerical stability of Newton’s formula for Lagrange interpolation journal February 2020
The Magnus expansion and some of its applications journal January 2009
Sharp and simple bounds for the raw moments of the binomial and Poisson distributions journal March 2022
Matrix analysis book January 1985
Entanglement-free Heisenberg-limited phase estimation journal November 2007
Iterative quantum amplitude estimation journal March 2021
Spectral analysis of product formulas for quantum simulation journal April 2022
General theory of fractal path integrals with applications to many‐body theories and statistical physics journal February 1991
Simulation of electronic structure Hamiltonians using quantum computers journal March 2011
Higher order decompositions of ordered operator exponentials journal January 2010
Simulating quantum dynamics on a quantum computer journal October 2011
The numerical stability of barycentric Lagrange interpolation journal October 2004
Even More Efficient Quantum Computations of Chemistry Through Tensor Hypercontraction journal July 2021
Complexity of Implementing Trotter Steps journal May 2023
Mitigating algorithmic errors in a Hamiltonian simulation journal January 2019
Simulating the dynamics of time-dependent Hamiltonians with a truncated Dyson series journal April 2019
SU(2) non-Abelian gauge field theory in one dimension on digital quantum computers journal April 2020
Effects of cosine tapering window on quantum phase estimation journal August 2022
Simulating Hamiltonian Dynamics with a Truncated Taylor Series journal March 2015
π -Corrected Heisenberg Limit journal January 2020
Semiclassical Fourier Transform for Quantum Computation journal April 1996
Quantum Algorithm Providing Exponential Speed Increase for Finding Eigenvalues and Eigenvectors journal December 1999
Quantum computing enhanced computational catalysis journal July 2021
Theory of Trotter Error with Commutator Scaling journal February 2021
Encoding Electronic Spectra in Quantum Circuits with Linear T Complexity journal October 2018
Minimally entangled state preparation of localized wave functions on quantum computers journal July 2020
Optimal Hamiltonian Simulation by Quantum Signal Processing journal January 2017
New exponential bounds and approximations for the computation of error probability in fading channels journal May 2003
Quantum Algorithms for Quantum Field Theories journal May 2012
Universal Quantum Simulators journal August 1996
Approximation Theory and Approximation Practice, Extended Edition book January 2019
Quantum singular value transformation and beyond: exponential improvements for quantum matrix arithmetics conference January 2019
Enhancing the Quantum Linear Systems Algorithm Using Richardson Extrapolation journal March 2022
Hamiltonian Simulation by Qubitization journal July 2019
Quantum Algorithms for Simulating the Lattice Schwinger Model journal August 2020
Quantum-inspired algorithms for multivariate analysis: from interpolation to partial differential equations journal April 2021
Well-conditioned multi-product formulas for hardware-friendly Hamiltonian simulation journal July 2023
Composite Quantum Simulations journal November 2023
Hamiltonian simulation using linear combinations of unitary operations journal November 2012
Hamiltonian Simulation in the Interaction Picture preprint January 2018
Well-conditioned multiproduct Hamiltonian simulation preprint January 2019
Time-dependent Hamiltonian Simulation Using Discrete Clock Constructions preprint January 2022
Quantum measurements and the Abelian Stabilizer Problem preprint January 1995

Similar Records

Exponentially Reduced Circuit Depths Using Trotter Error Mitigation
Journal Article · Mon Aug 11 20:00:00 EDT 2025 · PRX Quantum · OSTI ID:3006232

Theory of Trotter Error with Commutator Scaling
Journal Article · Sun Jan 31 23:00:00 EST 2021 · Physical Review X · OSTI ID:1769799

Related Subjects