Possible large-N fixed-points and naturalness for O(N) scalar fields
... A possibility is to build a model around a non-trivial UV fixed point. But existing work (conventional -, loop and perturbative expansions, numerics in the m–λ plane) does not indicate the presence of one2 . To find one in d = 4, it helps to have an expansion parameter. We look for a scale-invarian ...
... A possibility is to build a model around a non-trivial UV fixed point. But existing work (conventional -, loop and perturbative expansions, numerics in the m–λ plane) does not indicate the presence of one2 . To find one in d = 4, it helps to have an expansion parameter. We look for a scale-invarian ...
Neutrino Oscillations
... excluded from theories as they come from a class of interactions that lead to unacceptably rapid proton decay if they are all included. These models have little predictive power and are not able to provide a cold dark matter candidate. 1. More formally, the neutrinos are emitted in an entangled stat ...
... excluded from theories as they come from a class of interactions that lead to unacceptably rapid proton decay if they are all included. These models have little predictive power and are not able to provide a cold dark matter candidate. 1. More formally, the neutrinos are emitted in an entangled stat ...
The Physics of Inflation
... underlying physics of this era. Over the next decade, the inflationary era – perhaps 10−30 seconds after the Big Bang – will thus join nucleosynthesis (3 minutes) and recombination (380,000 years) as observational windows into the primordial universe. However, while the workings of recombination and ...
... underlying physics of this era. Over the next decade, the inflationary era – perhaps 10−30 seconds after the Big Bang – will thus join nucleosynthesis (3 minutes) and recombination (380,000 years) as observational windows into the primordial universe. However, while the workings of recombination and ...
XXZ Dao-Xin Yao, Y. L. Loh, and E. W. Carlson Michael Ma
... the discovery of a stable phase with deconfined spinons in a model of quantum dimers on the 共geometrically frustrated兲 triangular lattice, i.e., a spin liquid.1 Beyond the interest in fundamental theoretical issues of these models,1–3 physical realizations of these systems may have technological app ...
... the discovery of a stable phase with deconfined spinons in a model of quantum dimers on the 共geometrically frustrated兲 triangular lattice, i.e., a spin liquid.1 Beyond the interest in fundamental theoretical issues of these models,1–3 physical realizations of these systems may have technological app ...
JPD@Muon potential
... to extend lepton high energy frontier in the multi-TeV range with reasonable dimension, cost and power consumption Muon based Higgs factory takes advantage of a strong coupling to Higgs mechanism by s resonance ...
... to extend lepton high energy frontier in the multi-TeV range with reasonable dimension, cost and power consumption Muon based Higgs factory takes advantage of a strong coupling to Higgs mechanism by s resonance ...
Elektromagnetisme, noter og formelsamling
... QFT, and then the interactions. We next is free photon elds and spinor interaction in QED, and shortly say something about the Higgs mechanism for massive bosons and their Feynman rules. Finaly, we shortly say something about non-abelian eld theories (Yang-Mills theories) in general, and give a ve ...
... QFT, and then the interactions. We next is free photon elds and spinor interaction in QED, and shortly say something about the Higgs mechanism for massive bosons and their Feynman rules. Finaly, we shortly say something about non-abelian eld theories (Yang-Mills theories) in general, and give a ve ...
Particle Physics Part III Major Option 2008
... QCD is fully specified by require invariance under SU(3) local phase transformations Corresponds to rotating states in colour space about an axis whose direction is different at every space-time point interaction vertex: Predicts 8 massless gauge bosons – the gluons (one for each ...
... QCD is fully specified by require invariance under SU(3) local phase transformations Corresponds to rotating states in colour space about an axis whose direction is different at every space-time point interaction vertex: Predicts 8 massless gauge bosons – the gluons (one for each ...
W. Ketterle
... Light scattering imparts momentum to the condensate and creates an excitation (which can be a phonon or a free particle). A detailed study of the scattered light should therefore reveal a detailed picture of the Bose condensate similar to the case of superfluid helium where neutron scattering was us ...
... Light scattering imparts momentum to the condensate and creates an excitation (which can be a phonon or a free particle). A detailed study of the scattered light should therefore reveal a detailed picture of the Bose condensate similar to the case of superfluid helium where neutron scattering was us ...
Grade 9 Mathematics Unit 3: Shapes and Space Sub
... Sub-Unit #2 – Similarity and Transformations Lesson #9 – Transformations on a Cartesian Plan On this grid, rectangle A has been rotated 180° about E(-1,2) to produce its image, rectangle B. We can extend our meaning of line symmetry to relate the two triangles. The line x = -1 is a line of symmetry ...
... Sub-Unit #2 – Similarity and Transformations Lesson #9 – Transformations on a Cartesian Plan On this grid, rectangle A has been rotated 180° about E(-1,2) to produce its image, rectangle B. We can extend our meaning of line symmetry to relate the two triangles. The line x = -1 is a line of symmetry ...
Hadronization of Quark Theories
... numbers of π, ρ, A1 , and σ-mesons. The Lagrange density coincides with that of the standard chirally invariant σ-model which is known to account quite well for the lowenergy aspects of meson physics. Here mesonization renders additional connection between quark and meson properties. It also makes t ...
... numbers of π, ρ, A1 , and σ-mesons. The Lagrange density coincides with that of the standard chirally invariant σ-model which is known to account quite well for the lowenergy aspects of meson physics. Here mesonization renders additional connection between quark and meson properties. It also makes t ...
Quantum interference in the field ionization of Rydberg atoms
... has provided insight into the connection between a field and photon picture of the electron’s pathway to freedom [7]. In the case where the microwave frequency is close to that of the classical Kepler frequency a variety of interesting behaviors have been observed including resonances in the ionizat ...
... has provided insight into the connection between a field and photon picture of the electron’s pathway to freedom [7]. In the case where the microwave frequency is close to that of the classical Kepler frequency a variety of interesting behaviors have been observed including resonances in the ionizat ...
Inelastic Dark Matter and Directional Detection: Motivations and Prospects Douglas Finkbeiner (Harvard)
... •Majorana fermion or a real scalar. •Particle is its own anti-particle. •No conserved quantum numbers. Suppose the new force is a U(1) gauge force, mediated by a vector boson. (analogy: electromagnetism) •New boson couples to the “dark charge” but in the Majorana basis they have no charge. •Any Majo ...
... •Majorana fermion or a real scalar. •Particle is its own anti-particle. •No conserved quantum numbers. Suppose the new force is a U(1) gauge force, mediated by a vector boson. (analogy: electromagnetism) •New boson couples to the “dark charge” but in the Majorana basis they have no charge. •Any Majo ...
Parity Conservation in the weak (beta decay) interaction
... The generalized hamiltonian for the weak interaction that includes parity violation and a two-component neutrino theory is -- ...
... The generalized hamiltonian for the weak interaction that includes parity violation and a two-component neutrino theory is -- ...
Holographic non-Fermi
... odd statements to try to use them to do physics. The reasons fall roughly into three categories — Many detailed checks have been performed in special examples. These checks have been done mainly in relativistic gauge theories (where the fields are N × N matrices) with extra symmetries (conformal inva ...
... odd statements to try to use them to do physics. The reasons fall roughly into three categories — Many detailed checks have been performed in special examples. These checks have been done mainly in relativistic gauge theories (where the fields are N × N matrices) with extra symmetries (conformal inva ...
Paper
... repulsive interactions between the atoms36 — or it collapsed owing to attractive interactions between the atoms37. Without these interactions, the BEC would be an ideal gas with properties similar to the photons in the optical laser. The interactions make the BEC a rich, many-body system that displa ...
... repulsive interactions between the atoms36 — or it collapsed owing to attractive interactions between the atoms37. Without these interactions, the BEC would be an ideal gas with properties similar to the photons in the optical laser. The interactions make the BEC a rich, many-body system that displa ...
b,Q 2 - INFN - Torino Personal pages
... in complex angular momentum plane. Would like to understand diffraction in terms of quarks, gluons and QCD (need a hard process) A worthwhile task: •Diffraction is a significant part of stot •Elastic cross section drives stot via optical theorem: dsel/dt|t=0 (stot)2 •Understanding diffraction in te ...
... in complex angular momentum plane. Would like to understand diffraction in terms of quarks, gluons and QCD (need a hard process) A worthwhile task: •Diffraction is a significant part of stot •Elastic cross section drives stot via optical theorem: dsel/dt|t=0 (stot)2 •Understanding diffraction in te ...
Strong Interactions
... quarks of s= ½ in same state?) This is forbidden by Fermi statistics (Pauli principle)! Solution: there is a new internal degree of freedom (colour) which differentiate the quarks: Δ++=urugub • This means that apart of space and spin degrees of freedom, quarks have yet another attribute • In 1964- ...
... quarks of s= ½ in same state?) This is forbidden by Fermi statistics (Pauli principle)! Solution: there is a new internal degree of freedom (colour) which differentiate the quarks: Δ++=urugub • This means that apart of space and spin degrees of freedom, quarks have yet another attribute • In 1964- ...
universo feature
... In order to explain the range of the Nuclear Forces, Yukawa postulated the existence of a massive quantum of these forces, whose mass had to be intermediate (here is the origin of the name “meson”) between the lightest and the heaviest particles known at that time: the electron and the nucleon. The ...
... In order to explain the range of the Nuclear Forces, Yukawa postulated the existence of a massive quantum of these forces, whose mass had to be intermediate (here is the origin of the name “meson”) between the lightest and the heaviest particles known at that time: the electron and the nucleon. The ...
Quantum gauge theory simulation with ultracold atoms
... around this con guration are given in terms of an emergent U(1) gauge theory with a Chern-Simons topological term. We also address the stability of the three lowest lying states, showing a common critical temperature. We consider experimentally measurable signatures of the mean eld states, which c ...
... around this con guration are given in terms of an emergent U(1) gauge theory with a Chern-Simons topological term. We also address the stability of the three lowest lying states, showing a common critical temperature. We consider experimentally measurable signatures of the mean eld states, which c ...
pdf book - Lowndes County Historical Society Museum
... eternity), permanently fixed in potentiality, and God brings them out to actuality incessantly and perpetually ... He goes on transforming the possibilities (isti dadat, lit. 'preparednesses') that have been there from the beginningless past and that are (tehrefore) essentially uncreated, into infin ...
... eternity), permanently fixed in potentiality, and God brings them out to actuality incessantly and perpetually ... He goes on transforming the possibilities (isti dadat, lit. 'preparednesses') that have been there from the beginningless past and that are (tehrefore) essentially uncreated, into infin ...
Z` Mediation of Supersymmetry Breaking
... Radioactivity was observed before the discovery of the electron. We are still trying to uncover the nature of the weak force. It may be instructive to recall that it took about 30 years before scientists figured out what Beta decay was all about: ...
... Radioactivity was observed before the discovery of the electron. We are still trying to uncover the nature of the weak force. It may be instructive to recall that it took about 30 years before scientists figured out what Beta decay was all about: ...
Introduction to Integrable Models
... more powerful algebraic Bethe ansatz after we have finished with the simple case at hand. Here, we will rederive the XXX1/2 case by algebraic means and then generalize it to general spin s. I will also briefly sketch further generalizations, such as spin chains with higher rank symmetry algebra. Tow ...
... more powerful algebraic Bethe ansatz after we have finished with the simple case at hand. Here, we will rederive the XXX1/2 case by algebraic means and then generalize it to general spin s. I will also briefly sketch further generalizations, such as spin chains with higher rank symmetry algebra. Tow ...
Review on Nucleon Spin Structure
... scattering (DIS) measured quark spin invalidates the constituent quark model (CQM). I will show that this is not true. After introducing minimum relativistic modification, as usual as in other cases where the relativistic effects are introduced to the non-relativistic models, the DIS measured quark ...
... scattering (DIS) measured quark spin invalidates the constituent quark model (CQM). I will show that this is not true. After introducing minimum relativistic modification, as usual as in other cases where the relativistic effects are introduced to the non-relativistic models, the DIS measured quark ...
Dark Matter Candidates - SLAC
... long as the particles are relativistic. The well known example of neutrinos freeze out with g ≈ 10.75, prior to the freeze-out of electrons and positrons (which lowers g ). Thus the (massless) neutrino temperature is lower than the photon temperature in the present universe. The relic density of a ...
... long as the particles are relativistic. The well known example of neutrinos freeze out with g ≈ 10.75, prior to the freeze-out of electrons and positrons (which lowers g ). Thus the (massless) neutrino temperature is lower than the photon temperature in the present universe. The relic density of a ...
CPT- AND LORENTZ-SYMMETRY BREAKING: A REVIEW Ralf
... lowest possible field energy is zero. Note, however, that this configuration requires φ to be non-vanishing: φ = ±λ. It therefore follows that the vacuum for a system containing a Higgs-type field is not empty; it contains, in fact, a constant scalar field φvac ≡ hφi = ±λ. In quantum physics, the qu ...
... lowest possible field energy is zero. Note, however, that this configuration requires φ to be non-vanishing: φ = ±λ. It therefore follows that the vacuum for a system containing a Higgs-type field is not empty; it contains, in fact, a constant scalar field φvac ≡ hφi = ±λ. In quantum physics, the qu ...