[permalink] [id link]
't Hooft showed further that an Abelian projection of a non-Abelian gauge theory contains magnetic monopoles.
from
Wikipedia
Some Related Sentences
't and Hooft
't Hooft showed that this field makes a logarithmic tent-pole shaped bump on the horizon of a black hole, and like a shadow, the bump is an alternate description of the particle's location and mass.
't Hooft is most famous for his contributions to the development of gauge theories in particle physics.
't Hooft refused to accept this problem, known as the black hole information paradox, and assumed that this must be the result of the semi-classical treatment of Hawking, and that it should not appear in a full theory quantum gravity.
't Hooft has " deviating views on the physical interpretation of quantum theory ".
't Hooft, G., " The Conceptual Basis of Quantum Field Theory " ( online version ).
't Hooft calculated the effective action for such an ensemble, and he found an infrared divergence for big instantons, meaning that an infinite amount of infinitely big instantons would populate the vacuum.
't and gauge
't Hooft's research interest can be divided in three main directions: ' gauge theories in elementary particle physics ', ' quantum gravity and black holes ', and ' foundational aspects of quantum mechanics '.
't and .
't Hooft's original paper.
't Looy is an upmarket residential area in the woods with a wide variety of large villas and landhouses.
't Dickt, Passiewijk and Zonnebos are the names of residential areas in Steenokkerzeel.
't Haantje ( the Little Rooster ), pop.
't Haantje was founded in the latter half of the 19th century, when peat labourers spontaneously settled there.
't is not so difficult to die.
't Hof van Commerce is a Belgian hip hop crew from Izegem in the province West Flanders in Flanders, the Dutch-speaking part of Belgium.
't Prinske told the humorous adventures of a young prince in a fictional country.
Hooft and showed
After Gerardus't Hooft showed the Glashow-Weinberg-Salam electroweak interactions was mathematically consistent, the electroweak theory became a template for further attempts at unifying forces.
Hooft and gauge
In 3-dimensional gauge theories with Higgs fields ,'t Hooft – Polyakov monopole's play the role of instantons.
* Feynman –' t Hooft gauge
Although these authors were the first to understand the physical relevance to the strong interactions, in 1969 Iosif Khriplovich discovered asymptotic freedom in the SU ( 2 ) gauge theory as a mathematical curiosity, and Gerardus't Hooft in 1972 also noted the effect but did not publish.
The Feynman -' t Hooft gauge is usually the simplest gauge for this purpose, and is assumed for the rest of this article.
Every gauge field has an associated ghost, and where the gauge field acquires a mass via the Higgs mechanism, the associated ghost field acquires the same mass ( in the Feynman -' t Hooft gauge only, not true for other gauges ).
Their contribution to the S-matrix is exactly cancelled ( in the Feynman -' t Hooft gauge ) by a contribution from a similar loop of gauge particles with only 3-vertex couplings or gauge attachments to the rest of the diagram.
On the theoretical front, gauge theories with broken symmetry became the first fully viable contenders for explaining the weak interaction after Gerardus't Hooft discovered in 1971 how to calculate with them beyond tree level.
Very far from the origin, the gauge group G is broken to H, and the't Hooft – Polyakov monopole reduces to the Dirac monopole.
He is known for a number of basic contributions to quantum field theory, including work on what is now called the't Hooft-Polyakov monopole in non-abelian gauge theory, independent from Gerard't Hooft.
Most quantum field theory computations are simplest in the Feynman -' t Hooft gauge, in which ξ
In the mean time, Dutch graduate student Gerardus't Hooft was working in the case of local gauge symmetry breaking in the Yang-Mills theory using the Higgs mechanism.
Hooft and theory
Since the deformations on the surface are the only imprint of the incoming particle, and since these deformations would have to completely determine the outgoing particles ,'t Hooft believed that the correct description of the black hole would be by some form of string theory.
Gerard't Hooft first performed the field theoretic computation of the effects of the BPST instanton in a theory coupled to fermions in.
His uncle had grown to dislike the subject and in particular its practitioners, so when it became time to write his ' masterscriptie ' ( Dutch equivalent of a master's thesis ) in 1968 ,'t Hooft turned to the newly appointed professor Martinus Veltman, who specialized in Yang – Mills theory, a relative fringe subject at the time because it was thought that these could not be renormalized.
By solving the theory in one space and one time dimension ,'t Hooft was able to derive a formula for the masses of mesons.
Studying instanton solutions of Yang-Mills theories ,'t Hooft discovered that spontaneously breaking a theory with SU ( N ) symmetry to a U ( 1 ) symmetry will lead to the existence of magnetic monopoles.
He shared the 1999 Nobel Prize in physics with his former student Gerardus't Hooft for their work on particle theory.
In 1971, Gerardus't Hooft, who was completing his PhD under the supervision of Veltman, renormalized Yang-Mills theory.
The solution to the problem that concluded the battle is the holographic principle, which was first proposed by't Hooft but was given a precise string theory interpretation by Susskind.
# Hooft, G't ( 2009 ) Entangled quantum states in a local deterministic theory ", 2nd Vienna Symposium on the Foundations of Modern Physics ( June 2009 ), ITP-UU-09 / 77, SPIN-09 / 30 ; arXiv: 0908. 3408v1.
* G .'t Hooft ( 1990 ) " The black hole interpretation of string theory ," Nuclear Physics B 335: 138-154.
The electroweak theory of Weinberg and Salam was shown to be renormalizable ( finite ) and hence consistent by Gerardus't Hooft and Martinus Veltman.
Hooft and magnetic
As another piece in the colour confinement puzzle't Hooft introduced't Hooft operators, which are the magnetic dual of Wilson loops.
Hooft and monopoles
These monopoles are called't Hooft – Polyakov monopoles, after Alexander Polyakov, who independently obtained the same result.
Hooft and .
In their presentations of fundamental interactions, written from the particle physics perspective, Gerard ’ t Hooft and Martinus Veltman gave good arguments for taking the original, non-regularized Feynman diagrams as the most succinct representation of our present knowledge about the physics of quantum scattering of fundamental particles.
First proposed by Gerard't Hooft, it was given a precise string-theory interpretation by Leonard Susskind who combined his ideas with previous ones of't Hooft and Charles Thorn.
Troubled by this paradox, Gerard't Hooft analyzed the emission of Hawking radiation in more detail.
Category: P. C. Hooft Award winners
* 1581 – Pieter Corneliszoon Hooft, Dutch historian and writer ( d. 1647 )
This effort started in the 1950s with the work of Yang and Mills, was carried on by Martinus Veltman and a host of others during the 1960s and completed by the 1970s through the work of Gerard't Hooft, Frank Wilczek, David Gross and David Politzer.
* Physics – Gerardus't Hooft, Martinus J. G.
* March 16 – Pieter Corneliszoon Hooft, Dutch historian ( d. 1647 )
* May 21 – Pieter Corneliszoon Hooft, Dutch poet and historian ( b. 1581 )
Image: Frans Hals-Portret van Catharina Hooft en haar min. jpg | Catharina Hooft with her Nurse, c. 1619-1620
; Gerardus't Hooft ( professor, Netherlands ): for outstanding contributions in physics.
De Hubert was committed to the study of language and writing, having held consultations with Pieter Corneliszoon Hooft, Laurens Reael and Joost van den Vondel concerning language and orthography in 1623.
He is often considered a member of what is known as the Muiderkring, a group of leading intellectuals gathered around the poet Pieter Corneliszoon Hooft, who met regularly at the castle of Muiden near Amsterdam.
In 1619 Constantijn came into contact with Anna Roemers Visscher and with Pieter Corneliszoon Hooft.
In 1621 a poetic exchange with Hooft also starts.
For this occasion verses were written by Huygens, Hooft and Vondel.
The central figure was the poet Pieter Corneliszoon Hooft ; Constantijn Huygens, Dirck Sweelinck, Vondel, Bredero and the poetess sisters Anna Visscher and Maria Tesselschade Visscher were also considered part of the group.
0.493 seconds.