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| Home > Publications database > Superconducting flux qubits compared to ideal two-level systems as building blocks for quantum annealers > print |
| 001 | 844313 | ||
| 005 | 20210129232857.0 | ||
| 024 | 7 | _ | |a 2128/17671 |2 Handle |
| 037 | _ | _ | |a FZJ-2018-01746 |
| 041 | _ | _ | |a English |
| 100 | 1 | _ | |a Nocon, Madita |0 P:(DE-Juel1)167543 |b 0 |e Corresponding author |
| 111 | 2 | _ | |a NIC Symposium 2018 |c Jülich |d 2018-02-22 - 2018-02-23 |w Germany |
| 245 | _ | _ | |a Superconducting flux qubits compared to ideal two-level systems as building blocks for quantum annealers |
| 260 | _ | _ | |c 2018 |
| 336 | 7 | _ | |a Conference Paper |0 33 |2 EndNote |
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| 520 | _ | _ | |a For quantum computers, two theoretical models are nowadays considered to be the most important: the gate-based quantum computer and the quantum annealer.Gate-based quantum computers are based on computational gates just like classical computers, but have potentially more computational power due to the algebra behind quantum theory. A quantum annealer works fundamentally different: First the system is prepared in a known ground state of an initial Hamiltonian, then this Hamiltonian is adiabatically transformed into the final Hamiltonian whose ground state corresponds to the solution of a given problem, usually taken from the class of optimization problems.Quantum annealing works well in theory if the qubits can be modeled as two-level systems. However, in real devices, the qubits are not based on perfect two-level systems, but on a two-dimensional subspace of a larger system. This makes approximations in analytic calculations unavoidable.With a simulation utilizing the Suzuki-Trotter product-formula approach to solve the time-dependent Schrödinger equation, the time-evolution of the full state of such a device based onsuperconducting flux qubits is investigated. |
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| 700 | 1 | _ | |a Willsch, Dennis |0 P:(DE-Juel1)167542 |b 1 |
| 700 | 1 | _ | |a Jin, Fengping |0 P:(DE-Juel1)144355 |b 2 |
| 700 | 1 | _ | |a De Raedt, Hans |0 P:(DE-HGF)0 |b 3 |
| 700 | 1 | _ | |a Michielsen, Kristel |0 P:(DE-Juel1)138295 |b 4 |
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