Note 1
... cure the problems seen in e↵ective field theory. The other is that the graviton is an emergent degree of freedom, but the UV theory is not an ordinary 4D QFT. These are not mutually exclusive, and in fact both of these possibilities are realized in string theory (simultaneously!). In this course we ...
... cure the problems seen in e↵ective field theory. The other is that the graviton is an emergent degree of freedom, but the UV theory is not an ordinary 4D QFT. These are not mutually exclusive, and in fact both of these possibilities are realized in string theory (simultaneously!). In this course we ...
Strong Nuclear Interaction
... color and phase, but not changes that vary from point to point. From a 1954 article in the Physical Review : “... As usually conceived, however, this arbitrariness is subject to the following limitation: once one chooses [the color and phase of the wavefunction] at one space-time point, one is then ...
... color and phase, but not changes that vary from point to point. From a 1954 article in the Physical Review : “... As usually conceived, however, this arbitrariness is subject to the following limitation: once one chooses [the color and phase of the wavefunction] at one space-time point, one is then ...
Natural Sciences
... The Search for the Dark Matter particle • The supersymmetric partners of quarks and gluons are expected to be produced with high rates • They decay into the lightest SUSY particle (LSP) • Weakly interacting à leaves the detector, carries away momentum and energy à characteristic signature: missi ...
... The Search for the Dark Matter particle • The supersymmetric partners of quarks and gluons are expected to be produced with high rates • They decay into the lightest SUSY particle (LSP) • Weakly interacting à leaves the detector, carries away momentum and energy à characteristic signature: missi ...
15.06.18_CAP-Edmonton-CWL
... problem – we are thinking here of impurities, phonons, photons, imperfections in any controlling potentials in the systems, and, worst of all, dynamics localized modes likes defects, dislocations, paramagnetic or nuclear spins, etc. ...
... problem – we are thinking here of impurities, phonons, photons, imperfections in any controlling potentials in the systems, and, worst of all, dynamics localized modes likes defects, dislocations, paramagnetic or nuclear spins, etc. ...
A path towards quantum gravity
... Type-I gauge theories • These equations define type-I gauge theories (e.g. Maxwell, Yang—Mills, Einstein). • All these theories, being gauge theories, need supplementary conditions, since the second functional derivative of S is not an invertible operator. After imposing such conditions, the theori ...
... Type-I gauge theories • These equations define type-I gauge theories (e.g. Maxwell, Yang—Mills, Einstein). • All these theories, being gauge theories, need supplementary conditions, since the second functional derivative of S is not an invertible operator. After imposing such conditions, the theori ...
PHY 108 – Atoms to Galaxies
... induce oscillations at a distance from where they were generated. ...
... induce oscillations at a distance from where they were generated. ...
Neitzke: What is a BPS state?
... continuous deformations of the G̃-representation H1 . The trouble is with our definition of H1 itself. We have loosely described it as the space of states which occur discretely in H, as opposed to the multiparticle states which occur in direct integrals. One might wonder whether it is really possib ...
... continuous deformations of the G̃-representation H1 . The trouble is with our definition of H1 itself. We have loosely described it as the space of states which occur discretely in H, as opposed to the multiparticle states which occur in direct integrals. One might wonder whether it is really possib ...
I. What is String Theory?
... Certain p-branes are called D-branes. They have the property that fundamental strings can end on them. One consequence is that quantum field theories, like the standard model, can live on these D-branes. In this setup elementary particles and all forces except gravity are restricted to the branes, w ...
... Certain p-branes are called D-branes. They have the property that fundamental strings can end on them. One consequence is that quantum field theories, like the standard model, can live on these D-branes. In this setup elementary particles and all forces except gravity are restricted to the branes, w ...
The special theory of relativity
... negative results and the ether concept has been discarded. This negative result baffled physicists of the time, and to this day the Michelson-Morley experiment is the most significant “negative result” experiment ever performed. Einstein was who discarded the concept of ether and the absolute frame ...
... negative results and the ether concept has been discarded. This negative result baffled physicists of the time, and to this day the Michelson-Morley experiment is the most significant “negative result” experiment ever performed. Einstein was who discarded the concept of ether and the absolute frame ...
Document
... b. a type of sound wave d. a type of water wave 3. How is light different from other kinds of waves? Light does not require matter through which to travel. Other kinds of waves must travel through matter. 4. A wave that consists of changing electric and magnetic fields and that can travel through em ...
... b. a type of sound wave d. a type of water wave 3. How is light different from other kinds of waves? Light does not require matter through which to travel. Other kinds of waves must travel through matter. 4. A wave that consists of changing electric and magnetic fields and that can travel through em ...
Daniel Heineman Prize: The Quest for Quantum Gravity
... Standard Model would have ~20 extra parameters (different speeds of light for every particle), and even Planck-scale breaking will feed down into the ...
... Standard Model would have ~20 extra parameters (different speeds of light for every particle), and even Planck-scale breaking will feed down into the ...
Lecture 7: Why is Quantum Gravity so Hard?
... is small, experiments only really sensitive to first few terms ...
... is small, experiments only really sensitive to first few terms ...
Equations of Discontinuity - Max-Planck
... between Bohr and Einstein. It states that the location and the momentum – that is, the speed – of a particle cannot both be precisely determined at the same time. Heisenberg, Bohr and other physicists accepted this uncertainty as a natural, fundamenAgreeing to disagree: Niels Bohr and Albert Einstei ...
... between Bohr and Einstein. It states that the location and the momentum – that is, the speed – of a particle cannot both be precisely determined at the same time. Heisenberg, Bohr and other physicists accepted this uncertainty as a natural, fundamenAgreeing to disagree: Niels Bohr and Albert Einstei ...
