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Advancing a Trustworthy Quantum Era: A Novel Approach to Quantum Protocol Verification（图）
Trustworthy Quantum Era Quantum Protocol data security
2025/3/24
Researchers developed an automated approach to verify the correctness of quantum protocols, aiming to mitigate risks and strengthen security in quantum systems.
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Quantum Algorithms for High-Dimensional Sampling Problems
高维采样 量子算法 高维抽样问题
2023/4/14
High-dimensional sampling problems are ubiquitous in statistics, operations research, machine learning, etc. In this talk, I will introduce quantum algorithms for two important problems in high-dimens...
In Quantum supremacy using a programmable superconducting processor, in the Oct. 24 issue of the journal Nature, a team of researchers led by Google present evidence that their quantum computer has ac...
Ultracold molecules hold promise for quantum computing（图）
Ultracold molecules quantum computing
2017/9/1
Researchers have taken an important step toward the long-sought goal of a quantum computer, which in theory should be capable of vastly faster computations than conventional computers, for certain kin...
Individual Addressing in Quantum Computation through Spatial Refocusing
Individual Addressing Quantum Computation Spatial Refocusing
2016/1/23
Separate addressing of individual qubits is a challenging requirement for scalable quantum computation, and crosstalk between operations on neighboring qubits remains a significant source of error for...
Field Test of Measurement-Device-Independent Quantum Key Distribution
Field test Measurement-Device-Independent Quantum Key Distribution Automatic Feedback Systems
2016/1/22
A main type of obstacles of practical applications of quantum key distribution (QKD) network is various attacks on detection. Measurement-device-independent QKD (MDIQKD)protocol is immune to all these...
Experimental Passive Decoystate Quantum Key Distribution
quantum key distribution passive decoy-state parametric down conversion
2016/1/22
The decoy-state method is widely used in practical quantum key distribution systems to replace ideal single photon sources with realistic light sources of varying intensities. Instead of active modula...
Secure Signatures and Chosen Ciphertext Security in a Quantum Computing World
Secure Signatures Chosen Ciphertext Security
2015/8/5
We initiate the study of quantum-secure digital signatures and quantum chosen ciphertext
security. In the case of signatures, we enhance the standard chosen message query model
by allowing the adver...
Quantum computer as detector shows space is not squeezed
Quantum computer detector space is not squeezed
2015/3/4
Ever since Einstein proposed his special theory of relativity in 1905, physics and cosmology have been based on the assumption that space looks the same in all directions – that it’s not squeezed in o...
Nanoscale Mirrored Cavities Amplify, Connect Quantum Memories（图）
Nanoscale Mirrored Cavities Amplify Quantum Memories
2015/3/4
The idea of computing systems based on controlling atomic spins just got a boost from new research performed at the Massachusetts Institute of Technology (MIT) and the U.S. Department of Energy's (DOE...
A Novel Reconfiguration Scheme in Quantum-Dot Cellular Automata for Energy Efficient Nanocomputing
Reconfiguration QCA Nanocomputing Wire Crossing QCA Adder
2014/12/8
Quantum-Dot Cellular Automata (QCA) is currently being investigated as an alternative to CMOS technology. There has been extensive study on a wide range of circuits from simple logical circuits such a...
UQ’s quantum computers make light work of Harvard's chemistry
UQ’s quantum computers light work Harvard's chemistry
2010/1/11
UQ physicists and Harvard chemists have teamed up to build a quantum computer that could have profound implications for wider science.Professor Andrew White and colleagues from UQ's School of Mathemat...