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UID:UW-Physics-Event-9745
DTSTART:20260722T190000Z
DTEND:20260722T200000Z
DTSTAMP:20260714T115704Z
LAST-MODIFIED:20260630T171721Z
LOCATION:Morgridge Hall\, 7th floor Seminar Room
SUMMARY:Fault-Tolerant Quantum Computers: From Surface Codes to LDPC A
 rchitectures\, Wisconsin Quantum Institute Colloquium\, Michael Beverl
 and\, IBM Quantum
DESCRIPTION:Fault-tolerant quantum computers will not simply run today
 ’s quantum programs on more reliable hardware. Error correction impo
 ses constraints that propagate across the stack\, from hardware and cl
 assical control to compilation and program design. I will describe a l
 ayered framework for understanding how different error-correcting code
 s shape the design of fault-tolerant architectures. Comparing concrete
  surface-code and quantum-LDPC-code architectures\, I will explain how
  quantum LDPC codes can substantially reduce physical-qubit requiremen
 ts\, but can also increase algorithm runtime due to constraints of the
  fault-tolerant logical instruction set. The resulting comparison poin
 ts toward a broader theoretical programme: understanding how code stru
 cture\, fault-tolerant logical operations\, compilation\, and hardware
  constraints jointly determine the resources required for scalable qua
 ntum computation.
URL:https://www.physics.wisc.edu/events/?id=9745
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