Blueprints For Quantum Computer RAM Drawn

In the fundamentally fuzzy world of quantum mechanics, it can be difficult to keep clear memories, and that could be a problem for future quantum computers. Now three physicists in Italy and the US have proposed a method for retrieving quantum information from memory that should make total quantum recall more reliable. Quantum computers have […]

In the fundamentally fuzzy world of quantum mechanics, it can be difficult to keep clear memories, and that could be a problem for future quantum computers.

Now three physicists in Italy and the US have proposed a method for retrieving quantum information from memory that should make total quantum recall more reliable.

Quantum computers have the potential to do some kinds of calculation with unprecedented speed, as small-scale demonstrations have confirmed. However, to perform most of these calculations effectively these machines will eventually need to access something resembling random access memory (RAM) โ€“ a large store of quantum information that can be selectively accessed.

Ordinary RAM contains a large array of memory cells, each holding one bit of information โ€“ a binary 0 or 1. To check the contents of particular cell, a computer accesses it using its address โ€“ a string of bits that identifies the cell's location.

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Quantum, Computers, RAM, Blueprints, Memory

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