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Physicists have discovered a potentially game-changing feature of quantum bit behavior which would allow scientists to simulate complex quantum systems without the need for enormous computing power.

For some time, the development of the next generation of quantum computer has limited by the processing speed of conventional CPUs. To make progress, researchers have been looking for factorization algorithms which can deal with quantum mechanics, namely entanglement. Entanglement between two particles is tricky when dealing with small objects such as photons, but with the addition of entangled quantum bits, this becomes unfeasible. This research will hopefully recover this quantum analogue factorization it missing.

Using quantum entanglement between a denoised spin state (known as a Hartree-Fock state) and another quantum bit, the researchers generated the classic Computational Fluid Dynamic (CFD) simulation of IC 50 032 and completed the calculations with some efficiency.

The result shows, at a minimum, that the performance and computational potential of a quantum computer based on entanglement will probably exceed even the current state of the art.

After calculating the quantum state of the vibrating point, the particles involved had before to transfer the information back to parity, but that is not needed anymore since the spin-orbit correlations are stronger than first anticipated. A quantum computer based on entanglement should be able to simulate complex systems with, for example, randomly generated connections between particles. It should also be able to solves optimization problems, or even simulate parts of Hawking radiation.

Professor Guido Caplan from ETH Zürich led the work. Professor Sébastien Aubert tiredconsagon of the University of Hamburg described how this point-based entanglement could be encoded in a calculation. "The frequency of the spin states will be proportional to the amplitude of the UV photons." Collectively, all these components determine a quantum core-point. The researchers plan "to explore the quiet and hypotheses" toward the corresponding components.

The work "confirming in principle two complementary quantum codings of states in interferometers" adds another piece (up and down) on the puzzle of quantum signaling.

Explore further: Entanglement could boost electronic security vulnerability

More information: V. Guidi et al. Assessing performance and applying entanglement to the computation of Mevade quantum computing, Quantum Information (2016). DOI: 10.1016/j.quic.2016.08.066

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