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Coordinated defect arrangement shown to boost superconductivity in new study

An international team of scientists, including physicists from HSE MIEM, has demonstrated that when defects within a material are arranged in a specific pattern rather than randomly, superconductivity can occur at a higher temperature and extend throughout the entire material. This discovery could help develop superconductors that operate without the need for extreme cooling.

The study has been published in Physical Review B.

Superconductivity is a state in which electric current flows through a material without any . In conventional conductors, part of the energy is converted into heat, but in superconductors, this does not occur—current flows freely and does not weaken. Today, superconductors are used in applications such as MRI machines, where superconducting coils generate strong magnetic fields.

Scientists Use Cryptography To Unlock Secrets of Quantum Advantage

Researchers use cryptography to gain insights into the mechanisms behind quantum speed-ups. Quantum computing is widely regarded by experts as the next major leap in computer technology. Unlike traditional computers, which process information in binary (0s and 1s), quantum computers make use of u

The Universe’s Most Elusive Particles Might Be Talking to Themselves

Neutrinos are among the most puzzling particles in the universe. Nearly massless and incredibly elusive, they rarely interact with anything, yet they play a deadly role in the life cycle of stars far larger than our sun. These subatomic particles exist in three known types—electron, muon, and tau—and despite decades of study, many of their behaviors remain poorly understood.

Because neutrinos interact so weakly, it is nearly impossible to make them collide under laboratory conditions. As a result, scientists still do not know whether they follow the interaction rules laid out by the standard model of particle physics or if they engage in theorized “secret” interactions exclusive to neutrinos.

In a new study, researchers with the Network for Neutrinos, Nuclear Astrophysics, and Symmetries (N3AS), including members from UC San Diego, have used theoretical models to demonstrate that massive stars in the final stages of their lives may naturally provide the perfect setting for studying these interactions.