Symmetries in quantum mechanics describe features of spacetime and particles which are unchanged under some transformation, in the context of quantum...

with ideas behind quantum mechanics.: xi  QFT is used in particle physics to construct physical models of subatomic particles and in condensed matter physics...

In quantum gravity, quantum geometry is the set of mathematical concepts that generalize geometry to describe physical phenomena at distance scales comparable...

notable textbooks on classical mechanics and quantum mechanics arranged according to level and surnames of the authors in alphabetical order. Feynman, Richard...

scale (or "gauge") might also be a local symmetry of general relativity. After the development of quantum mechanics, Weyl, Vladimir Fock and Fritz London...

formulation is a description in quantum mechanics that generalizes the stationary action principle of classical mechanics. It replaces the classical notion...

Fundamental Concepts Chapter 2: Quantum Dynamics Chapter 3: Theory of Angular Momentum Chapter 4: Symmetry in Quantum Mechanics Chapter 5: Approximation Methods...

The many-worlds interpretation (MWI) is an interpretation of quantum mechanics that asserts that the universal wavefunction is objectively real, and that...

mathematical formulations of quantum mechanics are those mathematical formalisms that permit a rigorous description of quantum mechanics. This mathematical formalism...

Symmetry occurs not only in geometry, but also in other branches of mathematics. Symmetry is a type of invariance: the property that a mathematical object...

thermodynamics predicts the time symmetry to hold. However, quantum noninvasive measurements are predicted to violate time symmetry even in equilibrium, contrary...

rotation operator, as it appears in quantum mechanics. With every physical rotation R {\displaystyle R} , we postulate a quantum mechanical rotation operator...

non-Hermiticity. Parity–time (PT) symmetry was initially studied as a specific system in non-Hermitian quantum mechanics. In 1998, physicist Carl Bender and...

the entire Lagrangian retains that symmetry. The spontaneous symmetry breaking cannot happen in quantum mechanics that describes finite dimensional systems...

of quantum mechanics is a fundamental part of the history of modern physics. The major chapters of this history begin with the emergence of quantum ideas...

proton, neutron and pion. QCD is a type of quantum field theory called a non-abelian gauge theory, with symmetry group SU(3). The QCD analog of electric...

Matrix mechanics is a formulation of quantum mechanics created by Werner Heisenberg, Max Born, and Pascual Jordan in 1925. It was the first conceptually...

theory. The primary question that quantum chaos seeks to answer is: "What is the relationship between quantum mechanics and classical chaos?" The correspondence...

The quantum mind or quantum consciousness is a group of hypotheses proposing that local physical laws and interactions from classical mechanics or connections...

eigenfunction equation in 1926, the concept behind quantum numbers developed based on atomic spectroscopy and theories from classical mechanics with extra ad hoc...

system has a D3 symmetry. In quantum mechanics, calculations (at least formally) boil down to the diagonalization of Hermitian matrices - in particular, the...

ISBN 978-0-07-163641-4 Quantum Field Theory, D. McMahon, Mc Graw Hill (USA), 2008, ISBN 978-0-07-154382-8 Quantum Mechanics Demystified, D. McMahon,...

moreover quantum mechanics provides a recipe for calculating this probability distribution. Indeterminacy in measurement was not an innovation of quantum mechanics...

relativity and quantum mechanics was the second major motivation in the development of quantum field theory. Pascual Jordan and Wolfgang Pauli showed in 1928 that...

In quantum mechanics, the Hamiltonian of a system is an operator corresponding to the total energy of that system, including both kinetic energy and potential...

{P}}}\phi =-\phi } . These are useful in quantum mechanics. However, as is elaborated below, in quantum mechanics states need not transform under actual...

Representation theory of the Poincaré group Wigner's classification Symmetry in quantum mechanics Pauli–Lubanski pseudovector Particle physics and representation...

In quantum field theory, the quantum vacuum state (also called the quantum vacuum or vacuum state) is the quantum state with the lowest possible energy...

how quantum systems convert to systems that can be explained by classical mechanics. Beginning out of attempts to extend the understanding of quantum mechanics...

In quantum physics, a wave function (or wavefunction) is a mathematical description of the quantum state of an isolated quantum system. The most common...