Quantum 7, 1068 (2023). https://doi.org/10.22331/q-2023-07-26-1068 We study continuous variable systems, in which quantum and classical degrees of freedom are combined and treated on the same footing. Thus all systems, including the inputs or outputs to […]
Quantum 7, 1067 (2023). https://doi.org/10.22331/q-2023-07-25-1067 Simulating the time-evolution of a Hamiltonian is one of the most promising applications of quantum computers. Multi-Product Formulas (MPFs) are well suited to replace standard product formulas since they scale […]
Quantum 7, 1066 (2023). https://doi.org/10.22331/q-2023-07-25-1066 Quantum computers provide new avenues to access ground and excited state properties of systems otherwise difficult to simulate on classical hardware. New approaches using subspaces generated by real-time evolution have […]
Quantum 7, 1065 (2023). https://doi.org/10.22331/q-2023-07-25-1065 Whether it is at the fabrication stage or during the course of the quantum computation, e.g. because of high-energy events like cosmic rays, the qubits constituting an error correcting code […]
Quantum 7, 1064 (2023). https://doi.org/10.22331/q-2023-07-25-1064 Discrimination between objects, in particular quantum states, is one of the most fundamental tasks in (quantum) information theory. Recent years have seen significant progress towards extending the framework to point-to-point […]
If you’ve ever wished you had a faster phone, computer, or internet connection, you’ve encountered the personal experience of hitting a limit of technology. But there might be help on the way. Over the past […]
Quantum 7, 1063 (2023). https://doi.org/10.22331/q-2023-07-20-1063 Quantum systems can be dynamically controlled using time-periodic external fields, leading to the concept of Floquet engineering, with promising technological applications. Computing Floquet energy spectra is harder than only computing […]
Quantum 7, 1062 (2023). https://doi.org/10.22331/q-2023-07-20-1062 Quantum software tools for a wide variety of design tasks on and across different levels of abstraction are crucial in order to eventually realize useful quantum applications. This requires practical […]
Quantum 7, 1061 (2023). https://doi.org/10.22331/q-2023-07-20-1061 The triangular-lattice Fermi-Hubbard model has been extensively investigated in the literature due to its connection to chiral spin states and unconventional superconductivity. Previous simulations of the ground state of the […]
Quantum 7, 1060 (2023). https://doi.org/10.22331/q-2023-07-13-1060 When error correction becomes possible it will be necessary to dedicate a large number of physical qubits to each logical qubit. Error correction allows for deeper circuits to be run, […]
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