SYSTEMS AND METHODS FOR DEGENERACY MITIGATION IN A QUANTUM PROCESSOR
Degeneracy in analog processor (e.g., quantum processor) operation is mitigated via use of floppy qubits or domains of floppy qubits (i.e., qubit(s) for which the state can be flipped with no change in energy), which can significantly boost hardware performance on certain problems, as well as improv...
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| creator | LANTING TREVOR MICHAEL AMIN MOHAMMAD H BUNYK PAUL I RICH CHRISTOPHER B SATO YUKI WILKINSON WARREN T. E PAVLOV IGOR BOOTHBY TOMAS J HOSKINSON EMILE M RAYMOND JACK R FRECHETTE ALEXANDRE CIRIP TOMAS KING ANDREW DOUGLAS ANDRIYASH EVGENY A MARSDEN GAELEN |
| description | Degeneracy in analog processor (e.g., quantum processor) operation is mitigated via use of floppy qubits or domains of floppy qubits (i.e., qubit(s) for which the state can be flipped with no change in energy), which can significantly boost hardware performance on certain problems, as well as improve hardware performance for more general problem sets. Samples are drawn from an analog processor, and devices comprising the analog processor are evaluated for floppiness. A normalized floppiness metric is calculated, and an offset added to advance the device in annealing. Degeneracy in a hybrid computing system that comprises a quantum processor is mitigated by determining a magnetic susceptibility of a qubit, and tuning a tunneling rate for the qubit based on a tunneling rate offset determinedbased on the magnetic susceptibility. Quantum annealing evolution is controlled by causing the evolution to pause for a determined pause duration.
通过使用松弛量子位或松弛量子位的域(即，状态可以翻转而不改变能量的(多个)量子位)来减轻模拟处理器(例如，量子处理器)操作中的简并，这可以显著地提高在某些 |
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通过使用松弛量子位或松弛量子位的域(即，状态可以翻转而不改变能量的(多个)量子位)来减轻模拟处理器(例如，量子处理器)操作中的简并，这可以显著地提高在某些</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CALCULATING COMPUTER SYSTEMS BASED ON SPECIFIC COMPUTATIONAL MODELS COMPUTING COUNTING PHYSICS |
| title | SYSTEMS AND METHODS FOR DEGENERACY MITIGATION IN A QUANTUM PROCESSOR |
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