Tag Archive for 'Quantum tunneling'

The model proposed by Eto et al. suggests a brief knot-dominated era, when these tangled energy fields outweighed everything else, a scenario that could be probed through gravitational-wave signals. Image credit: Muneto Nitta / Hiroshima University.

Cosmic ‘Knots’ May Have Briefly Dominated Newborn Universe, Physicists Say

Oct 22, 2025 by News Staff

Knots emerge in various fields of mathematics and physics today. A team of physicists from Japan and Germany suggests that, during the early Universe,...

The world’s smallest molecular motor consists of a single acetylene rotor anchored to a chiral atomic cluster provided by a palladium-gallium surface that acts as a stator. Image credit: Empa.

Researchers Develop World’s Smallest Molecular Motor

Jun 24, 2020 by News Staff

A molecular motor developed by a team of researchers from Switzerland consists of just 16 atoms. The world’s smallest molecular motor consists of a single...

Satya Sainadh et al put an upper limit of 1.8 attoseconds on any tunneling delay, in agreement with theoretical findings and ruling out the interpretation of all commonly used ‘tunneling times’ as time spent by an electron under the potential barrier. Image credit: Griffith University.

Quantum Tunneling is Near Instantaneous, Experiments Show

Mar 21, 2019 by News Staff

Tunneling, a key feature of quantum mechanics, is when a particle that encounters a seemingly insurmountable barrier passes through it, ending up on the...

Medical sensing technologies and solar energy storage could be dramatically improved after the team shows the validity of quantum theory first proposed in 1931. Image credit: Jose Manuel Suarez / CC BY 2.0.

Physicists Confirm Quantum Theory Proposed in the 1930s

Nov 13, 2017 by News Staff

Professor David McKenzie from the University of Sydney and his PhD student Enyi Guo have demonstrated quantum tunneling in water — a quantum phenomenon...