Scalable circuits for preparing ground states on digital quantum computers: The Schwinger model vacuum on 100 qubits
The vacuum of the lattice Schwinger model is prepared on up to 100 qubits of IBM's Eagle-
processor quantum computers. A new algorithm to prepare the ground state of a gapped …
processor quantum computers. A new algorithm to prepare the ground state of a gapped …
Quantum simulations of hadron dynamics in the Schwinger model using 112 qubits
Hadron wave packets are prepared and time evolved in the Schwinger model using 112
qubits of IBM's 133-qubit Heron quantum computer ibm_torino. The initialization of the …
qubits of IBM's 133-qubit Heron quantum computer ibm_torino. The initialization of the …
Quantum error thresholds for gauge-redundant digitizations of lattice field theories
In the quantum simulation of lattice gauge theories, gauge symmetry can be either fixed or
encoded as a redundancy of the Hilbert space. While gauge-fixing reduces the number of …
encoded as a redundancy of the Hilbert space. While gauge-fixing reduces the number of …
Block encodings of discrete subgroups on a quantum computer
We introduce a block encoding method for mapping discrete subgroups to qubits on a
quantum computer. This method is applicable to general discrete groups, including crystal …
quantum computer. This method is applicable to general discrete groups, including crystal …
Digitization and subduction of gauge theories
B Assi, H Lamm - Physical Review D, 2024 - APS
The simulation of lattice gauge theories on quantum computers necessitates digitizing
gauge fields. One approach involves substituting the continuous gauge group with a …
gauge fields. One approach involves substituting the continuous gauge group with a …
Primitive quantum gates for an discrete subgroup: Binary octahedral
EJ Gustafson, H Lamm, F Lovelace - Physical Review D, 2024 - APS
We construct a primitive gate set for the digital quantum simulation of the 48-element binary
octahedral (BO) group. This non-Abelian discrete group better approximates SU (2) lattice …
octahedral (BO) group. This non-Abelian discrete group better approximates SU (2) lattice …
A higher-order topological twist on cold-atom SO() Dirac fields
Ultracold Fermi gases of spin-3/2 atoms provide a clean platform to realise SO ($5 $) models
of 4-Fermi interactions in the laboratory. By confining the atoms in a two-dimensional Raman …
of 4-Fermi interactions in the laboratory. By confining the atoms in a two-dimensional Raman …
Qudit Gate Decomposition Dependence for Lattice Gauge Theories
DM Kürkçüoglu, H Lamm, A Maestri - arXiv preprint arXiv:2410.16414, 2024 - arxiv.org
In this work, we investigate the effect of decomposition basis on primitive qudit gates on
superconducting radio-frequency cavity-based quantum computers with applications to …
superconducting radio-frequency cavity-based quantum computers with applications to …
Quantum Simulation of an Open System: A Dissipative 1+ 1D Ising Model
E Gustafson, M Hite, J Hubisz, B Sambasivam… - arXiv preprint arXiv …, 2023 - arxiv.org
The 1+ 1D Ising model is an ideal benchmark for quantum algorithms, as it is very well
understood theoretically. This is true even when expanding the model to include complex …
understood theoretically. This is true even when expanding the model to include complex …