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QCD and strongly coupled gauge theories: challenges and
QCD and strongly coupled gauge theories: challenges and

Implicit Solvation Models: Equilibria, Structure, Spectra, and Dynamics
Implicit Solvation Models: Equilibria, Structure, Spectra, and Dynamics

... calculation than the much larger radius one would estimate by considering the size of an actual hexadecane solvent molecule. However, if we wish to make a continuum calculation of the free energy effect of the solute perturbing the structure of the liquid solvent, the latter, larger radius is probab ...
Photoionisation detection or single 87Rb
Photoionisation detection or single 87Rb

Impaginazione OK
Impaginazione OK

Reviews of Modern Physics 83, 407
Reviews of Modern Physics 83, 407

... to the graphene pseudospin rather than real spin), although it is arrived at starting purely from the tight-binding Schrödinger equation for carbon in a honeycomb lattice with two atoms per unit cell. This mapping of the low energy, long-wavelength electronic structure of graphene onto the massless ...
Particle Accelerator Physics
Particle Accelerator Physics

Continuum Solvation Models in Chemical Physics: From Theory to
Continuum Solvation Models in Chemical Physics: From Theory to

Materials perspective on Casimir and van der Waals interactions
Materials perspective on Casimir and van der Waals interactions

... Interactions induced by electromagnetic fluctuations, such as van der Waals and Casimir forces, are of universal nature present at any length scale between any types of systems. Such interactions are important not only for the fundamental science of materials behavior, but also for the design and im ...
from its mathematical description to its experimental
from its mathematical description to its experimental

`Nonclassical` states in quantum optics: a `squeezed` review of the
`Nonclassical` states in quantum optics: a `squeezed` review of the

Relativistic Quantum Information: developments in Quantum
Relativistic Quantum Information: developments in Quantum

Scanning tunneling microscopy and spectroscopy
Scanning tunneling microscopy and spectroscopy

Electrophilicity Index - ACS Publications
Electrophilicity Index - ACS Publications

The electronic properties of graphene
The electronic properties of graphene

The Hot QCD White Paper:
The Hot QCD White Paper:

Exact Results for Thermodynamics of the Hydrogen Plasma
Exact Results for Thermodynamics of the Hydrogen Plasma

Paul Ehrenfest: The Genesis of the Adiabatic Hypothesis, 1911–1914
Paul Ehrenfest: The Genesis of the Adiabatic Hypothesis, 1911–1914

Methodological Advances in Theoretical - ETH E
Methodological Advances in Theoretical - ETH E

tgd as a generalized number theory
tgd as a generalized number theory

Frozen-Density Embedding
Frozen-Density Embedding

Quantum Mechanical Continuum Solvation Models
Quantum Mechanical Continuum Solvation Models

Quantum Mechanical Continuum Solvation Models
Quantum Mechanical Continuum Solvation Models

The Rare Two-Dimensional Materials with Dirac Cones
The Rare Two-Dimensional Materials with Dirac Cones

perfect score - UPSR PT3 SPM EXAM TIPS Andrew Choo
perfect score - UPSR PT3 SPM EXAM TIPS Andrew Choo

... 0.5 kg liquid M at 40oC is mixed with 2 kg liquid N at 25oC. The mixture is stirred. (The specific heat capacity of liquid M = 8.4 x10 3 J kg oC-1 . The specific heat capacity of liquid N = 4.2 x103 J kg oC-1 What is the temperature of the mixture? [4 marks] ...
The physics of dipolar bosonic quantum gases
The physics of dipolar bosonic quantum gases

1 2 3 4 5 ... 511 >

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.
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