Search Results - "Mazziotti, David A"
-
1
Enhanced Constraints for Accurate Lower Bounds on Many-Electron Quantum Energies from Variational Two-Electron Reduced Density Matrix Theory
Published in Physical review letters (07-10-2016)“…A central challenge of physics is the computation of strongly correlated quantum systems. The past ten years have witnessed the development and application of…”
Get full text
Journal Article -
2
Two-Electron Reduced Density Matrix as the Basic Variable in Many-Electron Quantum Chemistry and Physics
Published in Chemical reviews (11-01-2012)Get full text
Journal Article -
3
Anti-hermitian contracted schrödinger equation: direct determination of the two-electron reduced density matrices of many-electron molecules
Published in Physical review letters (06-10-2006)“…Two-electron reduced density matrices (2-RDMs) of many-electron molecules are directly determined without calculation of their wave functions by solving the…”
Get full text
Journal Article -
4
Quantum simulation of molecules without fermionic encoding of the wave function
Published in New journal of physics (01-11-2021)“…Abstract Molecular simulations generally require fermionic encoding in which fermion statistics are encoded into the qubit representation of the wave function…”
Get full text
Journal Article -
5
Quantum simulation of bosons with the contracted quantum eigensolver
Published in New journal of physics (01-10-2023)“…Abstract Quantum computers are promising tools for simulating many-body quantum systems due to their potential scaling advantage over classical computers…”
Get full text
Journal Article -
6
Quantum simulation of excited states from parallel contracted quantum eigensolvers
Published in New journal of physics (01-03-2024)“…Abstract Computing excited-state properties of molecules and solids is considered one of the most important near-term applications of quantum computers. While…”
Get full text
Journal Article -
7
Entangled Electrons Foil Synthesis of Elusive Low-Valent Vanadium Oxo Complex
Published in The journal of physical chemistry letters (18-02-2016)“…We examine the recently reported first synthesis of the elusive low-valent vanadium(III) in a vanadium oxo complex with a computation representing 1021…”
Get full text
Journal Article -
8
Realization of quantum chemistry without wave functions through first-order semidefinite programming
Published in Physical review letters (19-11-2004)“…Determining the energy and properties of an N-electron molecule through a two-electron variational optimization has been a dream for more than half a century…”
Get full text
Journal Article -
9
Strong Correlation in Acene Sheets from the Active-Space Variational Two-Electron Reduced Density Matrix Method: Effects of Symmetry and Size
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (09-06-2011)“…Polyaromatic hydrocarbons (PAHs) are a class of organic molecules with importance in several branches of science, including medicine, combustion chemistry, and…”
Get full text
Journal Article -
10
Energy barriers in the conversion of bicyclobutane to gauche-1,3-butadiene from the anti-hermitian contracted Schrödinger equation
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (25-12-2008)“…In 1959 Charles Coulson popularized the idea of computing a molecule's ground-state energy as a functional of the two-electron reduced density matrix (2-RDM)…”
Get full text
Journal Article -
11
Structure of fermionic density matrices: complete N-representability conditions
Published in Physical review letters (29-06-2012)“…We present a constructive solution to the N-representability problem: a full characterization of the conditions for constraining the two-electron reduced…”
Get full text
Journal Article -
12
Quantum Many-Body Theory from a Solution of the N-Representability Problem
Published in Physical review letters (14-04-2023)“…Here we present a many-body theory based on a solution of the N-representability problem in which the ground-state two-particle reduced density matrix (2-RDM)…”
Get full text
Journal Article -
13
Quantum Chemistry without Wave Functions: Two-Electron Reduced Density Matrices
Published in Accounts of chemical research (01-03-2006)“…For 50 years, progress toward the direct calculation of the ground-state two-electron reduced density matrix (2-RDM) was stymied from an inability to constrain…”
Get full text
Journal Article -
14
Relaxation of stationary states on a quantum computer yields a unique spectroscopic fingerprint of the computer’s noise
Published in Communications physics (25-01-2022)“…Quantum computing has the potential to revolutionize computing, but its significant sensitivity to noise requires sophisticated error correction and…”
Get full text
Journal Article -
15
Quantum Solver of Contracted Eigenvalue Equations for Scalable Molecular Simulations on Quantum Computing Devices
Published in Physical review letters (19-02-2021)“…The accurate computation of ground and excited states of many-fermion quantum systems is one of the most consequential, contemporary challenges in the physical…”
Get full text
Journal Article -
16
Open quantum system violates generalized Pauli constraints on quantum device
Published in Communications physics (17-07-2023)“…The Pauli exclusion principle governs the fundamental structure and function of fermionic systems from molecules to materials. Nonetheless, when such a…”
Get full text
Journal Article -
17
Approximate solution for electron correlation through the use of Schwinger probes
Published in Chemical physics letters (19-06-1998)“…Quantum energies and two-particle reduced density matrices (2-rdms) may be determined without using the N-particle wavefunction by combining the reconstruction…”
Get full text
Journal Article -
18
Large-scale semidefinite programming for many-electron quantum mechanics
Published in Physical review letters (25-02-2011)“…The energy of a many-electron quantum system can be approximated by a constrained optimization of the two-electron reduced density matrix (2-RDM) that is…”
Get full text
Journal Article -
19
Fewer Measurements from Shadow Tomography with N-Representability Conditions
Published in Physical review letters (31-05-2024)“…Classical shadow tomography provides a randomized scheme for approximating the quantum state and its properties at reduced computational cost with applications…”
Get full text
Journal Article -
20
Author Correction: Relaxation of stationary states on a quantum computer yields a unique spectroscopic fingerprint of the computer’s noise
Published in Communications physics (15-02-2022)Get full text
Journal Article