What is Physics envy?

The Faculty of Physics and Astronomy is one of twelve faculties at the University of Heidelberg. It comprises the Kirchhoff Institute of Physics, the Institute of Physics, Theoretical Physics, Environmental...

Coherent states have been introduced in a physical context, first as quasi-classical states in quantum mechanics, then as the backbone of quantum optics and they are described in that spirit...

Physics of financial markets is a discipline that studies financial markets as physical systems. It seeks to understand the nature of financial processes and phenomena by employing the scientific method...

In quantum physics, unitarity is the condition that the time evolution of a quantum state according to the Schrödinger equation is mathematically represented by a unitary operator. This is typically...

The Racah Lecture is annual memorial lecture given at The Racah Institute of Physics of the Hebrew University of Jerusalem commemorating Prof. Giulio Racah.The lecturers are selected from among the...

In mathematics, secondary calculus is a proposed expansion of classical differential calculus on manifolds, to the "space" of solutions of a partial differential equation. It is a sophisticated theory at...

In physics, an operator is a function over a space of physical states onto another space of physical states. The simplest example of the utility of operators is the study...

Cybernetical physics is a scientific area on the border of cybernetics and physics which studies physical systems with cybernetical methods. Cybernetical methods are understood as methods developed within control theory,...

In theoretical physics, compactification means changing a theory with respect to one of its space-time dimensions. Instead of having a theory with this dimension being infinite, one changes the theory...

In quantum physics an anomaly or quantum anomaly is the failure of a symmetry of a theory's classical action to be a symmetry of any regularization of the full...