What question did this study set out to answer?

This research aims to define conditions under which quantum computation can operate without errors due to decoherence.

September 21, 1998Physical Review LettersOpen Access

Decoherence-Free Subspaces for Quantum Computation

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Randomized trial demonstrates stable quantum computation in decoherence-free subspaces, indicating potential for errorless operations.

This research aims to define conditions under which quantum computation can operate without errors due to decoherence.
Utilized semigroup approach to analyze decoherence in quantum systems.
Identified error generators with Lie algebra structures.
Derived conditions for stable decoherence-free subspaces conducive to universal quantum computation.
Established that decoherence-free subspaces can endure perturbations, ensuring stability.
Proved that quantum computation can be performed universally within these error-free subspaces.

Lidar et al. (1998) studied this question.

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