Quantum computing is hard because we want long coherence but fast control
ID: quantum-computing-is-hard-because-we-want-long-coherence-but-fast-control
Quantum computing is hard because we want long coherence but fast control by 
Ciro Santilli 35 Updated 2025-03-25 +Created 1970-01-01
Ciro Santilli 35 Updated 2025-03-25 +Created 1970-01-01Mentioned e.g. at:
These are two conflicting constraints:
- long coherence times: require isolation from external world, otherwise observation destroys quantum state
- fast control and readout: require coupling with external world
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