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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…