66 citations · 375 across the 23 of their papers we have counts for
13 papers · 1 filter
Quantum mean estimation for lattice field theory
Erik J. Gustafson, Henry Lamm, Judah Unmuth-Yockey
We demonstrate the quantum mean estimation algorithm on Euclidean lattice field theories. This shows a quadratic advantage over Monte Carlo methods which persists even in presence…
Robustness of Gauge Digitization to Quantum Noise
Erik J. Gustafson, Henry Lamm
Quantum noise limits the use of quantum memory in high energy physics simulations. In particular, it breaks the gauge symmetry of stored quantum states. We examine this effect for…
Stout Smearing on a Quantum Computer
Erik J. Gustafson
Smearing of gauge-field configurations in lattice field theory improves the results of lattice simulations by suppressing high energy modes from correlation functions. In quantum s…
Gauge Theory Couplings on Anisotropic Lattices
Marcela Carena, Erik J. Gustafson, Henry Lamm +2
The advantage of simulating lattice field theory with quantum computers is hamstrung by the limited resources that induce large errors from finite volume and sizable lattice spacin…
From tensors to qubits
Yannick Meurice, Alexei Bazavov, Patrick Dreher +6
We discuss recent progress in Tensor Lattice Field Theory and economical, symmetry preserving, truncations suitable for quantum computations or simulations. We focus on spin and ga…
Real-time quantum calculations of phase shifts using wave packet time delays
Erik Gustafson, Yingyue Zhu, Patrick Dreher +2
We present a method to extract the phase shift of a scattering process using the real-time evolution in the early and intermediate stages of the collision in order to estimate the…
Toward Quantum Simulations of Gauge Theory Without State Preparation
Erik J. Gustafson, Henry Lamm
Preparing strongly-coupled particle states on quantum computers requires large resources. In this work, we show how classical sampling coupled with projection operators can be used…
Projective Cooling for the transverse Ising model
Erik Gustafson
We demonstrate the feasibility of ground state preparation for the transverse Ising model using projective cooling, and show that the algorithm can effectively construct the ground…
Benchmarking quantum computers for real-time evolution of a field theory with error mitigation
Erik Gustafson, Patrick Dreher, Zheyue Hang +1
Quantum computers open the possibility of performing real-time calculations for quantum field theory scattering processes. We propose to use an index averaging the absolute value o…
Quantum simulation of scattering in the quantum Ising model
Erik Gustafson, Yannick Meurice, Judah Unmuth-Yockey
We discuss real time evolution for the quantum Ising model in one spatial dimension with sites. In the limit where the nearest neighbor interactions in the spatial direct…
Mass Splitting in a Linear Sigma Model
Diego de Floor, Erik Gustafson, Yannick Meurice
We derived the tree level spectrum to an extension to the linear sigma model describing an EFT for an gauge theory with flavors of fermions and fermions have…
Determining the Efficacy of Different Parameterizations of the z-expansion
Erik Gustafson, Yannick Meurice
We develop a methodology to test the accuracy of lattice extrapolations of the form factors in B decays only using experimental data. We test this methodology by comparing the BGL…
Mass splittings in a linear sigma model for multiflavor gauge theories
Diego De Floor, Erik Gustafson, Yannick Meurice
We calculate the tree-level mass spectrum for a linear sigma model describing the scalar and pseudoscalar mesons of a local gauge theory with Dirac fermions in the fundamen…