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Supercurrent enables the reading of quantum information without destroying it

Source: Phys.org · Published

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Supercurrent enables the reading of quantum information without destroying it

One of the fundamental challenges of quantum computing is obtaining information from a quantum bit, or qubit. Unlike a conventional bit, which can be read repeatedly without altering its content, direct measurement of a quantum system typically causes the state to collapse before it can be determined. In other words, reading the information modifies it.

Key points

  • One of the fundamental challenges of quantum computing is obtaining information from a quantum bit, or qubit.
  • Unlike a conventional bit, which can be read repeatedly without altering its content, direct measurement of a quantum system typically causes the state to collapse before it can be determined.
  • In other words, reading the information modifies it.

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