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001019843 0247_ $$2datacite_doi$$a10.34734/FZJ-2023-05674
001019843 037__ $$aFZJ-2023-05674
001019843 041__ $$aEnglish
001019843 1001_ $$0P:(DE-Juel1)192118$$aOld, Josias$$b0$$eCorresponding author$$ufzj
001019843 1112_ $$aQuantum Computing Theory in Practice$$cCambridge$$d2023-04-17 - 2023-04-19$$gQCTiP$$wUK
001019843 245__ $$aGeneralized Belief Propagation Algorithms for Decoding of Surface Codes
001019843 260__ $$c2023
001019843 3367_ $$033$$2EndNote$$aConference Paper
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001019843 520__ $$aA class of codes which recently received a lot of attention because of their good properties are Quantum Low-Density Parity Check (LDPC) codes. We investigate a Belief Propagation (BP) decoder for such codes and show numerically its success and limitations. We introduce a new, generalized decoder building on region-based free energy approximations. Apart from the original implementation of BP it shows the emergence of a threshold under bit-flip and depolarizing noise for the surface code.
001019843 536__ $$0G:(DE-HGF)POF4-5221$$a5221 - Advanced Solid-State Qubits and Qubit Systems (POF4-522)$$cPOF4-522$$fPOF IV$$x0
001019843 7001_ $$0P:(DE-Juel1)187504$$aRispler, Manuel$$b1$$ufzj
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001019843 9141_ $$y2023
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001019843 9201_ $$0I:(DE-Juel1)PGI-2-20110106$$kPGI-2$$lTheoretische Nanoelektronik$$x0
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