1.6k citations · 8.2k across the 63 of their papers we have counts for
65 papers
Quantum Simulating Nature's Fundamental Fields
Christian W. Bauer, Zohreh Davoudi, Natalie Klco +1
Simulating key static and dynamic properties of matter -- from creation in the Big Bang to evolution into sub-atomic and astrophysical environments -- arising from the underlying f…
A new basis for Hamiltonian SU(2) simulations
Christian W. Bauer, Irian D'Andrea, Marat Freytsis +1
Due to rapidly improving quantum computing hardware, Hamiltonian simulations of relativistic lattice field theories have seen a resurgence of attention. This computational tool req…
Quantum Computing for High-Energy Physics: State of the Art and Challenges. Summary of the QC4HEP Working Group
Alberto Di Meglio, Karl Jansen, Ivano Tavernelli +43
Quantum computers offer an intriguing path for a paradigmatic change of computing in the natural sciences and beyond, with the potential for achieving a so-called quantum advantage…
Quench dynamics of the Schwinger model via variational quantum algorithms
Lento Nagano, Aniruddha Bapat, Christian W. Bauer
We investigate the real-time dynamics of the -dimensional U(1) gauge theory known as the Schwinger model via variational quantum algorithms. Specifically, we simulate quench…
Overcoming exponential volume scaling in quantum simulations of lattice gauge theories
Christopher F. Kane, Dorota M. Grabowska, Benjamin Nachman +1
Real-time evolution of quantum field theories using classical computers requires resources that scale exponentially with the number of lattice sites. Because of a fundamentally dif…
Efficient quantum implementation of 2+1 U(1) lattice gauge theories with Gauss law constraints
Christopher Kane, Dorota M. Grabowska, Benjamin Nachman +1
The study of real-time evolution of lattice quantum field theories using classical computers is known to scale exponentially with the number of lattice sites. Due to a fundamentall…
Report of the Snowmass 2021 Theory Frontier Topical Group on Quantum Information Science
Simon Catterall, Roni Harnik, Veronika E. Hubeny +12
We summarize current and future applications of quantum information science to theoretical high energy physics. Three main themes are identified and discussed; quantum simulation,…
Initial-State Dependent Optimization of Controlled Gate Operations with Quantum Computer
Wonho Jang, Koji Terashi, Masahiko Saito +5
There is no unique way to encode a quantum algorithm into a quantum circuit. With limited qubit counts, connectivity, and coherence times, a quantum circuit optimization is essenti…
Overcoming exponential scaling with system size in Trotter-Suzuki implementations of constrained Hamiltonians: 2+1 U(1) lattice gauge theories
Dorota M. Grabowska, Christopher Kane, Benjamin Nachman +1
For many quantum systems of interest, the classical computational cost of simulating their time evolution scales exponentially in the system size. At the same time, quantum compute…
Quantum Anomaly Detection for Collider Physics
Sulaiman Alvi, Christian Bauer, Benjamin Nachman
Quantum Machine Learning (QML) is an exciting tool that has received significant recent attention due in part to advances in quantum computing hardware. While there is currently no…
Improving Quantum Simulation Efficiency of Final State Radiation with Dynamic Quantum Circuits
Plato Deliyannis, James Sud, Diana Chamaki +3
Reference arXiv:1904.03196 recently introduced an algorithm (QPS) for simulating parton showers with intermediate flavor states using polynomial resources on a digital quantum comp…
Efficient Representation for Simulating U(1) Gauge Theories on Digital Quantum Computers at All Values of the Coupling
Christian W. Bauer, Dorota M. Grabowska
We derive a representation for a lattice U(1) gauge theory with exponential convergence in the number of states used to represent each lattice site that is applicable at all values…
Computationally Efficient Zero Noise Extrapolation for Quantum Gate Error Mitigation
Vincent R. Pascuzzi, Andre He, Christian W. Bauer +2
Zero noise extrapolation (ZNE) is a widely used technique for gate error mitigation on near term quantum computers because it can be implemented in software and does not require kn…
Practical considerations for the preparation of multivariate Gaussian states on quantum computers
Christian W. Bauer, Plato Deliyannis, Marat Freytsis +1
We provide explicit circuits implementing the Kitaev-Webb algorithm for the preparation of multi-dimensional Gaussian states on quantum computers. While asymptotically efficient du…
Active Readout Error Mitigation
Rebecca Hicks, Bryce Kobrin, Christian W. Bauer +1
Mitigating errors is a significant challenge for near term quantum computers. One of the most important sources of errors is related to the readout of the quantum state into a clas…
Mitigating depolarizing noise on quantum computers with noise-estimation circuits
Miroslav Urbanek, Benjamin Nachman, Vincent R. Pascuzzi +3
A significant problem for current quantum computers is noise. While there are many distinct noise channels, the depolarizing noise model often appropriately describes average noise…
Simulating collider physics on quantum computers using effective field theories
Christian W. Bauer, Marat Freytsis, Benjamin Nachman
Simulating the full dynamics of a quantum field theory over a wide range of energies requires exceptionally large quantum computing resources. Yet for many observables in particle…
Quantum Gate Pattern Recognition and Circuit Optimization for Scientific Applications
Wonho Jang, Koji Terashi, Masahiko Saito +7
There is no unique way to encode a quantum algorithm into a quantum circuit. With limited qubit counts, connectivities, and coherence times, circuit optimization is essential to ma…
Disentangling observable dependence in SCETI and SCETII anomalous dimensions: angularities at two loops
Christian W. Bauer, Aneesh V. Manohar, Pier Francesco Monni
The resummation of radiative corrections to collider jet observables using soft collinear effective theory is encoded in differential renormalization group equations (RGEs), with a…
Readout Rebalancing for Near Term Quantum Computers
Rebecca Hicks, Christian W. Bauer, Benjamin Nachman
Readout errors are a significant source of noise for near term intermediate scale quantum computers. Mismeasuring a qubit as a 1 when it should be 0 occurs much less often than mis…
Dark Matter Spectra from the Electroweak to the Planck Scale
Christian W. Bauer, Nicholas L. Rodd, Bryan R. Webber
We compute the decay spectrum for dark matter (DM) with masses above the scale of electroweak symmetry breaking, all the way to the Planck scale. For an arbitrary hard process invo…
Resource Efficient Zero Noise Extrapolation with Identity Insertions
Andre He, Benjamin Nachman, Wibe A. de Jong +1
In addition to readout errors, two-qubit gate noise is the main challenge for complex quantum algorithms on noisy intermediate-scale quantum (NISQ) computers. These errors are a si…
Unfolding Quantum Computer Readout Noise
Benjamin Nachman, Miroslav Urbanek, Wibe A. de Jong +1
In the current era of noisy intermediate-scale quantum (NISQ) computers, noisy qubits can result in biased results for early quantum algorithm applications. This is a significant c…
A formalism for the resummation of non-factorizable observables in SCET
Christian W. Bauer, Pier Francesco Monni
In the framework of soft-collinear effective theory (SCET), we show how to formulate the resummation for a broad family of final-state, global observables in high-energy collisions…