From:
ATTEMPTS to build quantum computers could run up
against a fundamental limit on how long useful
information can persist inside them. Exceed the
limit and information could just leak away,
making computation impossible...Rather than
remaining in a superposition o
* Michael Heyman:
>
>
> ATTEMPTS to build quantum computers could run up
> against a fundamental limit on how long useful
> information can persist inside them.
My local source of quantum computing knowledge says that the
conclusions of the paper are somewhat questionable. The aut
