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Search results for “Quantum Physics”

1,000+ results for "Quantum Physics"

Simplifying quantum simulations – through symmetry

Physicists Guido Burkard and Joris Kattemölle from the University of Konstanz have developed a method to simplify quantum simulations by harnessing symmetry, streamlining the calculation process for complex systems. By using recurring patterns in the quantum systems, they significantly reduce the required computational effort.

SourceUniversity of Konstanz·JournalPhysical Review Letters·DateFeb 18, 2026

Deterministic entanglement-assisted quantum communication over 20-km fiber channel

A team of scientists experimentally demonstrated deterministic entanglement-assisted quantum communication over 20.121 km in fiber channels, outperforming classical communication in metropolitan areas. They proposed an improved continuous-variable dense coding scheme to enhance transmission efficiency and reduce excess noise.

Deterministic entanglement-assisted quantum communication over 20-km fiber channel

Researchers successfully decode 10 weak classical signals simultaneously using continuous-variable quantum dense coding in 20-km fiber channels. The channel capacity of deterministic entanglement-assisted quantum communication is increased compared to classical communication with coherent state.

A resource-virtualized and hardware-aware quantum compilation framework for real quantum computing processors

Researchers developed QSteed, a resource-virtualized and hardware-aware quantum compilation framework, to address challenges in real quantum computing processors. The framework reduces compilation times and improves circuit execution fidelities by leveraging a prebuilt VQPU database and hardware-aware compilation strategy.

SourceResearch·JournalResearch·TypeNews article·DateJan 19, 2026

Quantum tools set to transform life science

A team at Japan's National Institutes for Quantum Science and Technology has published a roadmap outlining the societal payoff of quantum technologies in life science. The study highlights three pillars: cell-scale diamond sensors, practical hyperpolarized MRI, and quantum biology, which enable earlier disease detection, faster drug de...

SourceThe National Institutes for Quantum Science and Technology·JournalACS Nano·TypeCommentary/editorial·DateJan 15, 2026

New advances in quantum structured light pave the way for safer communications and ultra-fast computing

The field of quantum structured light has transformed the way we communicate, measure and process information by combining quantum information with spatial and temporal structures of light. This technology enables simpler and faster circuits for quantum computing, as well as improved resolution techniques in imaging and metrology.

SourceUniversitat Autonoma de Barcelona·JournalNature Photonics·TypeSystematic review·DateDec 10, 2025

Progress towards a quantum internet

A team of researchers from Paderborn University and the Sapienza University of Rome successfully teleported the polarisation state of a single photon between two physically separated quantum dots. This achievement represents a crucial step towards scalable quantum relays and the practical implementation of a quantum internet.

SourceUniversität Paderborn·JournalNature Communications·DateDec 2, 2025

Efficient quantum process tomography for enabling scalable optical quantum computing​

A KAIST research team has developed a highly efficient technique to characterize complex multimode quantum operations, which is essential for scalable optical quantum computing and quantum communication technologies. The new 'Multimode Quantum Process Tomography' technique can analyze large-scale operations with less data, representing...

SourceThe Korea Advanced Institute of Science and Technology (KAIST)·JournalNature Photonics·TypeMeta-analysis·DateNov 18, 2025

Controlling triple quantum dots in a zinc oxide semiconductor

A team of researchers at Tohoku University has successfully created and electrically controlled triple quantum dots in zinc oxide (ZnO), a promising material for quantum computing. This breakthrough opens a new pathway to exploring complex quantum behaviors and developing potential architectures for quantum computation.

Scalable and efficient quantum error correction for fault-tolerant quantum computing

Scientists develop novel LDPC quantum error correction codes that can handle hundreds of thousands of logical qubits and approach the theoretical hashing bound. The new codes achieve extremely high decoding performance, demonstrating a frame error rate as low as 10^-4, even for large-scale numerical simulations.

SourceInstitute of Science Tokyo·Journalnpj Quantum Information·TypeComputational simulation/modeling·DateSep 29, 2025

Rice algorithms take on quantum adversary

Rice University computer scientists have developed algorithms that account for malicious noise in quantum states, which can collapse into a single random outcome. The new framework considers nonphysical and potentially malicious factors, delivering optimal results with sufficiently large copies of a quantum state.

Powerful nodes for quantum networks

Researchers at the University of Innsbruck have demonstrated a powerful node for quantum networks using a string of calcium ions in a prototype computer. The node achieved an average ion-photon entanglement fidelity of 92 percent, paving the way for connecting entire quantum processors across laboratories or continents.

SourceUniversity of Innsbruck·JournalPhysical Review Letters·TypeExperimental study·DateAug 22, 2025

New benchmark in secure quantum communication

Physicists have developed a breakthrough concept in quantum encryption that uses innovative protocols applied to tiny quantum dots to send encrypted information securely, even with imperfect light sources. The new approach outperforms current systems and has the potential to bring quantum-safe communication closer to everyday use.

SourceThe Hebrew University of Jerusalem·JournalPRX Quantum·TypeExperimental study·DateAug 21, 2025

Quantum freezing at room temperature

Researchers at ETH Zurich and TU Wien have successfully isolated rotational vibrations in nanoparticles, allowing for the extraction of energy in a quantum ground state even at room temperature. This breakthrough enables the study of quantum physics in objects that are significantly larger than atoms and molecules.

SourceVienna University of Technology·JournalNature Physics·DateAug 7, 2025

Spatiotemporal photonic emulator of potential-free Schrödinger equation

Scientists create a spatiotemporal light system that emulates the behavior of potential-free Schrödinger equations, generating localized wavepackets without potential energy constraints. This breakthrough could provide new insights into quantum physics and applications in studying light-matter interactions.

Yonsei University researchers directly measure quantum metric tensor in real material

Researchers at Yonsei University have successfully measured the full quantum metric tensors of Bloch electrons in solids, a breakthrough that could lead to advanced semiconductor technologies and higher transition-temperature superconductors. The study used black phosphorus as a representative material for photoemission measurements.

SourceYonsei University·JournalScience·TypeExperimental study·DateAug 6, 2025

Mathematicians use ‘neglected particles’ that could rescue quantum computing

A new study demonstrates how a single type of 'neglecton' particle can make Ising anyons universal, enabling any quantum computation through braiding alone. The breakthrough uses non-semisimple topological quantum field theories to overcome unitarity issues and unlock the full power of Ising-based systems.

SourceUniversity of Southern California·JournalNature Communications·TypeComputational simulation/modeling·DateAug 5, 2025