quantum-physics3.31 min read
"Nonlocal Boxes: Unveiling Quantum Entanglement's Boundaries"
1 year ago•Source: Phys.org
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3.97 min•1 year ago
"Remote Superconducting Nodes Achieve Multi-Photon State Transfer"
Researchers at the University of Chicago have demonstrated bidirectional multiphoton communication between remote superconducting nodes, using a new quantum communication testbed with resonators and superconducting qubits. Their study, published in Physical Review Letters, showcases the transmission of complex quantum states representing multiple qubits at the same time, paving the way for efficient communication of more complex quantum states than single photons between two nodes. This advancement could lead to distributed computing, coded quantum information transmission, and further exploration of multi-node communication channels.
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"Unveiling the Inextricable Link Between Quantum Entanglement and Topology"
Earth.com•2 years ago
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Unveiling Quantum Simulation's Entanglement Exploration and Uncharted Phenomena
Originally Published 2 years ago — by Nature.com
Researchers are exploring large-scale entanglement in quantum simulation, studying the properties of entanglement Hamiltonians and their applications in lattice models and experiments. They investigate the dynamics and behavior of entanglement in various quantum systems, including long-range quantum magnets, trapped ions, Rydberg arrays, and programmable quantum simulators. The study of entanglement Hamiltonians provides insights into the entanglement structure and correlations in many-body systems, paving the way for advancements in quantum information processing and quantum technologies.
Real-time Visualization of Quantum Entanglement in Photons
Originally Published 2 years ago — by Tech Explorist
Scientists from the University of Ottawa and Sapienza University of Rome have developed biphoton digital holography, a fast and efficient method for reconstructing the full quantum state of entangled particles. By visualizing the wave function of two entangled photons in real-time, this technique allows for the prediction of outcomes in quantum technology applications. The previous projective measurement approach to quantum tomography was time-consuming and impractical, but the new method requires only minutes or seconds, regardless of the system's complexity, addressing the scalability challenge.