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Strong-Weak Duality via Jordan-Wigner Transformation: Using Fermionic Methods for Strongly Correlated su(2) Spin Systems

Journal Article · · Journal of Chemical Physics
DOI:https://doi.org/10.1063/5.0125124· OSTI ID:1895606
The Jordan-Wigner transformation establishes a duality between $su(2)$ and fermionic algebras. We present qualitative arguments and numerical evidence that when mapping spins to fermions, the transformation makes strong correlation weaker, as demonstrated by the Hartree-Fock approximation to the transformed Hamiltonian. This result can be rationalized in terms of rank reduction of spin shift terms when transformed to fermions. Conversely, the mapping of fermions to qubits makes strong correlation stronger, complicating its solution when one uses qubit-based correlators. The presence of string operators poses challenges to the implementation of quantum chemistry methods on classical computers, but these can be dealt with using established techniques of low computational cost. Here, our proof of principle results for XXZ and J1-J2 Heisenberg (in 1D and 2D) indicate that the JW transformed fermionic Hamiltonian has reduced complexity in key regions of their phase diagrams, and provides a better starting point for addressing challenging spin problems.
Research Organization:
Rice Univ., Houston, TX (United States)
Sponsoring Organization:
USDOE; USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
SC0001474
OSTI ID:
1895606
Alternate ID(s):
OSTI ID: 1898917
Journal Information:
Journal of Chemical Physics, Journal Name: Journal of Chemical Physics Journal Issue: 19 Vol. 157; ISSN 0021-9606
Publisher:
American Institute of Physics (AIP)Copyright Statement
Country of Publication:
United States
Language:
English

References (27)

Fermionic Quantum Computation journal May 2002
�ber das Paulische �quivalenzverbot journal September 1928
Nonunitary bogoliubov transformations and extension of Wick’s theorem journal November 1969
Stability conditions and nuclear rotations in the Hartree-Fock theory journal November 1960
The 1D Ising model and the topological phase of the Kitaev chain journal December 2014
Quantum Chemistry in the Age of Quantum Computing journal August 2019
Quantum Algorithms for Quantum Chemistry and Quantum Materials Science journal October 2020
Qubit Coupled Cluster Method: A Systematic Approach to Quantum Chemistry on a Quantum Computer journal November 2018
Iterative Qubit Coupled Cluster Approach with Efficient Screening of Generators journal January 2020
A New Mean-Field Method Suitable for Strongly Correlated Electrons: Computationally Facile Antisymmetric Products of Nonorthogonal Geminals journal February 2013
Assessing the Accuracy of New Geminal-Based Approaches journal April 2014
On Next‐Nearest‐Neighbor Interaction in Linear Chain. I journal August 1969
Projected Hartree–Fock theory journal April 2012
The Bravyi-Kitaev transformation for quantum computation of electronic structure journal December 2012
Seniority zero pair coupled cluster doubles theory journal June 2014
Seniority-based coupled cluster theory journal December 2014
Projected coupled cluster theory journal August 2017
Relation between fermionic and qubit mean fields in the electronic structure problem journal December 2018
A power series approximation in symmetry projected coupled cluster theory journal March 2022
Algebraic approach to interacting quantum systems journal January 2004
The influence of orbital rotation on the energy of closed-shell wavefunctions journal January 2014
Biorthogonal projected energies of a Gutzwiller similarity transformed Hamiltonian journal October 2016
Accurate localization of Kosterlitz-Thouless-type quantum phase transitions for one-dimensional spinless fermions journal November 2022
Efficient description of strongly correlated electrons with mean-field cost journal May 2014
Lie algebraic similarity transformed Hamiltonians for lattice model systems journal January 2015
Majorana-like Modes of Light in a One-Dimensional Array of Nonlinear Cavities journal December 2012
Possibility of Direct Observation of Edge Majorana Modes in Quantum Chains journal May 2013