In 1961, the Nobel prize winning theoretical physicist Eugene Wigner proposed what is now known as the 'Wigner's friend' thought experiment as an extension of the notorious Schroedinger's cat experiment. In the latter, a ...
Quantum Physics
May 14, 2021
15
761
Many machine learning algorithms on quantum computers suffer from the dreaded "barren plateau" of unsolvability, where they run into dead ends on optimization problems. This challenge had been relatively unstudied—until ...
Quantum Physics
Mar 19, 2021
2
4688
Recently, a research team led by academician Guo Guangcan from CAS Key Laboratory of Quantum Information of the University of Science and Technology of China (USTC) of CAS, has made important progress in quantum information ...
Quantum Physics
Mar 3, 2021
0
116
The more people rely on social media as their main news source the more likely they are to believe misinformation about the pandemic, according to a recent survey analysis by Washington State University researcher Yan Su.
Social Sciences
Dec 14, 2020
0
14
The identification of human migration driven by climate change, the spread of COVID-19, agricultural trends, and socioeconomic problems in neighboring regions depends on data—the more complex the model, the more data is ...
Mathematics
Oct 21, 2020
0
54
A new study of beliefs and attitudes toward COVID-19 in five different countries—UK, US, Ireland, Mexico and Spain—has identified how much traction some prominent conspiracy theories have within these populations.
Social Sciences
Oct 14, 2020
11
842
Physicist Reinhold Bertlmann of the University of Vienna, Austria has published a review of the work of his late long-term collaborator John Stewart Bell of CERN, Geneva in EPJ H. This review, "Real or Not Real: that is the ...
Quantum Physics
Sep 24, 2020
1
283
Turing machines were first proposed by British mathematician Alan Turing in 1936, and are a theoretical mathematical model of what it means for a system to "be a computer."
General Physics
Aug 27, 2020
5
665
Louisiana State University Associate Professor of Physics Mark M. Wilde and his collaborator have solved a 20-year-old problem in quantum information theory on how to calculate entanglement cost—a way to measure entanglement—in ...
Quantum Physics
Jul 29, 2020
0
104
Researchers at the University of Tsukuba used advanced metrics from information theory to describe the collective behavior of small schools of ayu fish. They found that the overall dynamics were noticeably different for groups ...
Plants & Animals
Jul 9, 2020
0
5
