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Iizuka-11-11-09
Iizuka-11-11-09

Why 3+1 = 11 for small values of 7
Why 3+1 = 11 for small values of 7

... around the time of General Relativity by Kaluza and Klein. The concept worked with 5-dimensions and showed that if you curl the fifth dimension into a circle about the other 4 then you would only have 4 observable dimensions, and a fifth which interacted with the others. The physical representation ...
Heavy gravitons on-shell decay of the Higgs boson at high
Heavy gravitons on-shell decay of the Higgs boson at high

Review. Geometry and physics
Review. Geometry and physics

... This development has led to many hybrid subjects, such as topological quantum field theory, quantum cohomology or quantum groups, which are now central to current research in both mathematics and physics. The meaning of all this is unclear and one may be tempted to invert Wigner’s comment and marvel ...
Lieb-Robinson bounds and the speed of light from topological order
Lieb-Robinson bounds and the speed of light from topological order

The Power of Perturbation Theory
The Power of Perturbation Theory

... Even observables in systems known to have instanton corrections will be reconstructed by a single perturbative series Large arbitrariness in the choice of EPT. In principle all choices equally good, although in numerical studies some choices better than others We will denote by Standard Perturbation ...
Response Theory for Linear and Non-Linear X
Response Theory for Linear and Non-Linear X

... of about 0.3 GW/cm2 . This intensity corresponds to an electric field amplitude of some F ! = 5 ⇥ 10 5 a.u., which is several orders of magnitude smaller than the internal electric fields that bind electrons in atomic and molecular systems. ...
The Standard Model of Particle Physics
The Standard Model of Particle Physics

... of particle physics has been enormously successful in predicting a wide range of phenomena. And, just as ordinary quantum mechanics fails in the relativistic limit, we do not expect the SM to be valid at arbitrarily short distances. However its remarkable success strongly suggests that the SM will r ...
and D-Amino Acids by Permethylated β
and D-Amino Acids by Permethylated β

... Structures of gaseous permethylated β-cyclodextrin/H+/H2O and /H+/Ala are studied using electrospray, IRMPD spectroscopy and density functional theory calculations. The protonated non-covalent complexes of permethylated β-cyclodextrin and the D- or L-alanine were mass-selected and investigated by IR ...
Supersymmetry as a probe of the topology of manifolds
Supersymmetry as a probe of the topology of manifolds

... I have organised the two lectures to follow the historical sequence. The application of supersymmetry to probe topology has occured in two distinct phases. The first phase occurred in the early 80’s starting from the work of Witten on supersymmetry breaking and Morse theory[1, 2]. Witten’s work was ...
No Slide Title
No Slide Title

Quantum field theory and gravitation
Quantum field theory and gravitation

... Spacetime as a smooth orientable manifold M, hence differential forms and exterior derivative are well defined. A nondegenerate metric g and an orientation in terms of which the Hodge dual can be defined: ? : Λk (M) → Λn−k (M), n = dimM ...
Introduction to even-denominator FQHE: composite fermions
Introduction to even-denominator FQHE: composite fermions

... • Landau level degeneracy = total number of flux quanta (Nϕ) ...
The death of electric current
The death of electric current

... but very careful inculation at a tender age, CODtinued unremittingly up to maturity, of the doctrine of the dlateriality of electricity, and its motion from place to place, would have made me believe it, still, there is so much in electric phenomena to suppon the idea of electricity being a distinct ...
Introduction to even-denominator FQHE: composite fermions
Introduction to even-denominator FQHE: composite fermions

Gauge invariance and the Aharonov-Bohm effect
Gauge invariance and the Aharonov-Bohm effect

... potentials, in the setup of the Aharonov - Bohm experiment of shift in interference pattern. We shall also show that the vector potential can cause energy eigenvalues in bounded potential wells to shift. ...
Quantum Gravity: the view from particle physics
Quantum Gravity: the view from particle physics

... side and moving it to the left hand side, in such a way that everything can be understood as coming from some sort of generalized geometry? Over the last ninety years there has been some remarkable progress in this direction (see e.g. the reprint volume [15]), but we still do not know whether these ...
spin
spin

... Method 2: Without counter terms Step 1: Calculate the quantity using perturbation theory in the bare interaction U Step 2: Calculate the renormalised parameters in perturbation theory in powers of U using Step 3: Invert to the required order to find the bare parameters in terms of the renormalised o ...
Syllabus
Syllabus

What every physicist should know about
What every physicist should know about

... This is a familiar equation—the relativistic Klein–Gordon equation in D dimensions—but in Euclidean signature, in which time and space are on equal footing. To get a sensible physical interpretation, we should reverse the kinetic energy of one of the scalar fields X I so that the action becomes ...
GR in a Nutshell
GR in a Nutshell

Slides
Slides

... coordinate system coincides with the rest frame of the wormhole material, which can be defined as the one in which an observer co-moving with the material sees zero energy flux. ...
Lecture 4 Density instead of the wavefunction CHEM6085: Density
Lecture 4 Density instead of the wavefunction CHEM6085: Density

... • This is the simplest way to do DFT calculations (often called “pure DFT”) • We will examine it, with examples, in the next lecture ...
DUAL NATURE OF LIGHT WAVES A THEORETICAL PROOF
DUAL NATURE OF LIGHT WAVES A THEORETICAL PROOF

... ABSTRACT: According to Newton’s corpuscles theory of light, planks quantum theory light is particle nature and Maxwell Electromagnetic theory and Huygens wave theory light is wave nature. Some experiment shows light has particle nature and some experiment shows light has wave nature. Therefore accor ...
Physics and the Integers - damtp
Physics and the Integers - damtp

... approximation to something deeper that doesn’t have to be an integer? The answer is that we don’t yet know, but it’s easy to cook-up scenarios in which this is the case. Indeed, mathematically the Hausdorff dimension of a set need not be integer and, at a push, can be used to count dimensions of ob ...
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Yang–Mills theory

Yang–Mills theory is a gauge theory based on the SU(N) group, or more generally any compact, semi-simple Lie group. Yang–Mills theory seeks to describe the behavior of elementary particles using these non-Abelian Lie groups and is at the core of the unification of the electromagnetic and weak forces (i.e. U(1) × SU(2)) as well as quantum chromodynamics, the theory of the strong force (based on SU(3)). Thus it forms the basis of our understanding of particle physics, the Standard Model.
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