Quantum Breakthrough: Entanglement Achieved Between Two Atomic Nuclei in Silicon
Researchers have made a significant breakthrough in quantum computing. A team led by Zhao and Smalyukh from the University of Colorado has achieved quantum entanglement between two atomic nuclei separated by 20 nanometers in silicon. This marks a major step towards integrating quantum computers into standard silicon chips.
Quantum entanglement, a key feature of quantum computers, allows particles to be connected in ways classical computers cannot mimic. The team used a method involving liquid crystals and electrons acting as 'telephones' to enable communication between remote atomic nuclei. This breakthrough enables more scalable quantum operations and paves the way for simulating complex systems like molecules or pharmaceuticals.
The challenge in quantum computer engineering is balancing shielding from interference with the need to interact with computing elements. The 'geometric gate' method used in this study offers a practical and conceptual breakthrough for building reliable quantum computers. In the future, entanglement distances could be extended by physically moving or squeezing electrons into more elongated shapes.
The University of Colorado team's achievement brings us closer to integrating quantum computers into existing silicon chip architectures. By enabling entanglement between well-shielded nuclear spin qubits, this breakthrough opens doors to more complex and powerful quantum computations. Further research is needed to push entanglement distances even further and fully realize the potential of quantum computing.
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