Centre for Logic and Philosophy of Science
... level. This is where Heisenberg’s thought experiment comes in. His analysis of the hypothetical experimental situation shows that even when talking about the classical quantities of position and momentum, these quantities are not unambiguously simultaneously determinable. But this implies that, if o ...
... level. This is where Heisenberg’s thought experiment comes in. His analysis of the hypothetical experimental situation shows that even when talking about the classical quantities of position and momentum, these quantities are not unambiguously simultaneously determinable. But this implies that, if o ...
rev2 - UConn Physics
... a. collisions between particles within the system. b. inelastic collisions between particles within the system. c. changes of momentum of individual particles within the system. d. internal forces acting between particles within the system. e. external forces acting on particles of the system. ...
... a. collisions between particles within the system. b. inelastic collisions between particles within the system. c. changes of momentum of individual particles within the system. d. internal forces acting between particles within the system. e. external forces acting on particles of the system. ...
A Primer to Electronic Structure Computation
... This may sound simple and in a sense it is. However, there are many subtleties that go into each step and understanding them all takes many years of study. In fact, the details of how each step should be carried out so that the ...
... This may sound simple and in a sense it is. However, there are many subtleties that go into each step and understanding them all takes many years of study. In fact, the details of how each step should be carried out so that the ...
A Brief Summary of My Researches
... certain triple Hodge integrals for all genera and all possible marked points. This infinite generating series can be expressed as a finite summation in terms of Chern-Simons knot invariant. They made the conjecture based on the large N duality between Chern-Simons theory and string theory. In joint ...
... certain triple Hodge integrals for all genera and all possible marked points. This infinite generating series can be expressed as a finite summation in terms of Chern-Simons knot invariant. They made the conjecture based on the large N duality between Chern-Simons theory and string theory. In joint ...
Quantum Relaxation after a Quench in Systems with Boundaries Ferenc Iglo´i *
... have focused on bulk sites up to now, but all real systems have a finite extent and they are bounded by surfaces and the physical properties in the surface region are considerably different from those in the bulk [18]. Obviously an interesting question is whether the time and length scales character ...
... have focused on bulk sites up to now, but all real systems have a finite extent and they are bounded by surfaces and the physical properties in the surface region are considerably different from those in the bulk [18]. Obviously an interesting question is whether the time and length scales character ...
One-dimensional theory of the quantum Hall system
... Cover illustration: Magic Mystery Tour, by Karin Bergholtz ...
... Cover illustration: Magic Mystery Tour, by Karin Bergholtz ...
Scientific Metaphysics - Philsci
... Now comes the crucial point. In persistently accepting unifying theories (even though ostensibly refuted), and excluding infinitely many empirically more successful, unrefuted, disunified or aberrant rival theories, science in effect makes a big assumption about the nature of the universe, to the e ...
... Now comes the crucial point. In persistently accepting unifying theories (even though ostensibly refuted), and excluding infinitely many empirically more successful, unrefuted, disunified or aberrant rival theories, science in effect makes a big assumption about the nature of the universe, to the e ...
Renormalization
In quantum field theory, the statistical mechanics of fields, and the theory of self-similar geometric structures, renormalization is any of a collection of techniques used to treat infinities arising in calculated quantities.Renormalization specifies relationships between parameters in the theory when the parameters describing large distance scales differ from the parameters describing small distances. Physically, the pileup of contributions from an infinity of scales involved in a problem may then result in infinities. When describing space and time as a continuum, certain statistical and quantum mechanical constructions are ill defined. To define them, this continuum limit, the removal of the ""construction scaffolding"" of lattices at various scales, has to be taken carefully, as detailed below.Renormalization was first developed in quantum electrodynamics (QED) to make sense of infinite integrals in perturbation theory. Initially viewed as a suspect provisional procedure even by some of its originators, renormalization eventually was embraced as an important and self-consistent actual mechanism of scale physics in several fields of physics and mathematics. Today, the point of view has shifted: on the basis of the breakthrough renormalization group insights of Kenneth Wilson, the focus is on variation of physical quantities across contiguous scales, while distant scales are related to each other through ""effective"" descriptions. All scales are linked in a broadly systematic way, and the actual physics pertinent to each is extracted with the suitable specific computational techniques appropriate for each.