66 citations · 375 across the 23 of their papers we have counts for
25 papers
Self-consistent optimization of the -Expansion for meson decays
Daniel Simons, Erik Gustafson, Yannick Meurice
We discuss the self-consistency imposed by the analyticity of regular parts of form factors, appearing in the -expansion for semileptonic -meson decays, when fitted in differ…
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…
Preparing quantum many-body scar states on quantum computers
Erik J. Gustafson, Andy C. Y. Li, Abid Khan +6
Quantum many-body scar states are highly excited eigenstates of many-body systems that exhibit atypical entanglement and correlation properties relative to typical eigenstates at t…
Applying NOX Error Mitigation Protocols to Calculate Real-time Quantum Field Theory Scattering Phase Shifts
Zachary Parks, Arnaud Carignan-Dugas, Erik Gustafson +2
Real-time scattering calculations on a Noisy Intermediate Scale Quantum (NISQ) quantum computer are disrupted by errors that accumulate throughout the circuits. To improve the accu…
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…
Primitive Quantum Gates for an SU(2) Discrete Subgroup: BT
Erik J. Gustafson, Henry Lamm, Felicity Lovelace +1
We construct a primitive gate set for the digital quantum simulation of the binary tetrahedral () group on two quantum architectures. This nonabelian discrete group se…
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…
Quantum computing hardware for HEP algorithms and sensing
M. Sohaib Alam, Sergey Belomestnykh, Nicholas Bornman +37
Quantum information science harnesses the principles of quantum mechanics to realize computational algorithms with complexities vastly intractable by current computer platforms. Ty…
Noise Improvements in Quantum Simulations of sQED using Qutrits
Erik Gustafson
We present an argument for the advantages of using qudits over qubits for scalar Quantum Electrodynamics in d. We measure the mass gap using an out of time correlator as a f…
Measuring NISQ Gate-Based Qubit Stability Using a 1+1 Field Theory and Cycle Benchmarking
Kubra Yeter-Aydeniz, Zachary Parks, Aadithya Nair +5
Some of the most problematic issues that limit the implementation of applications on Noisy Intermediate Scale Quantum (NISQ) machines are the adverse impacts of both incoherent and…
Variations to the z-Expansion of the Form Factor Describing the Decay of B Mesons
Daniel Simons, Erik Gustafson, Yannick Meurice
We examine the decay rate of the particle decay using data collected from the Belle Collaboration. We studied three parameterizations of the f…
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…
Simulations of Quantum Circuits with Approximate Noise using qsim and Cirq
Sergei V. Isakov, Dvir Kafri, Orion Martin +15
We introduce multinode quantum trajectory simulations with qsim, an open source high performance simulator of quantum circuits. qsim can be used as a backend of Cirq, a Python soft…
Large scale multi-node simulations of gauge theory quantum circuits using Google Cloud Platform
Erik Gustafson, Burt Holzman, James Kowalkowski +12
Simulating quantum field theories on a quantum computer is one of the most exciting fundamental physics applications of quantum information science. Dynamical time evolution of qua…
Prospects for Simulating a Qudit Based Model of (1+1)d Scalar QED
Erik Gustafson
We present a gauge invariant digitization of d scalar quantum electrodynamics for an arbitrary spin truncation for qudit-based quantum computers. We provide a construction o…
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…
Solutions to Problems at Les Houches Summer School on EFT
Marcel Balsiger, Marios Bounakis, Mehdi Drissi +10
This work details worked solutions to the various problems set by the lecturers during the course of the Les Houches summer school 2017 on effective field theories in particle phys…
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…