Operators are present in formulas and equations that describe physical processes. Problems with so-called "perturbed" operators often occur in quantum mechanics. There are two types of objects in such ...

The intricate relationship between quantum mechanics and classical physics has long puzzled scientists. Quantum mechanics ...

But with this adjustment, the equations worked ... Here's one of the quirky things about quantum mechanics: just because an electron or a photon can be thought of as a particle, doesn't mean ...

From the early days of quantum mechanics, scientists have thought that all particles can be categorized into one of two ...

A century ago, physics had its Darwinian moment — a change in perspective that was as consequential for the physical sciences ...

In 1935, Austrian-born physicist Erwin Schrödinger described a thought experiment that magnified a glaring problem at the ...

Einstein's theory of general relativity describes the inevitability of singularities, which are obscured by black holes ...

New research provides a solution to time travel paradoxes by demonstrating that quantum mechanics prevents one from ever ...

Students learning quantum mechanics are taught the Schrodinger equation and how to solve it to obtain a wave function. But a crucial step is skipped because it has puzzled scientists since the ...

Quantum chemistry applies quantum mechanics to the theoretical study of chemical systems. It aims, in principle, to solve the Schrödinger equation for the system under scrutiny; however ...