Dirac`s coincidences sixty years on
... values span more than 100 orders of magnitude and come from an expression that is sensitively dependent on just one free parameter. Despite this, the suspicion remains that these successes are themselves mere “coincidences”. But we can find glimmerings of a solid fieldtheoretic basis if we rewrite ( ...
... values span more than 100 orders of magnitude and come from an expression that is sensitively dependent on just one free parameter. Despite this, the suspicion remains that these successes are themselves mere “coincidences”. But we can find glimmerings of a solid fieldtheoretic basis if we rewrite ( ...
On Absolute Units, I: Choices - MIT Center for Theoretical Physics
... he called a system of absolute units, based on the speed of light c, Newton’s gravitational constant G, and his newly minted quantum of action \. From these, by taking powers and ratios, one can manufacture units of mass MPlanck ! =\c/G ⊂ 2.2 × 10⊗5 gram, length LPlanck ! =\G/c3 ⊂ 1.6 × 10⊗33 centim ...
... he called a system of absolute units, based on the speed of light c, Newton’s gravitational constant G, and his newly minted quantum of action \. From these, by taking powers and ratios, one can manufacture units of mass MPlanck ! =\c/G ⊂ 2.2 × 10⊗5 gram, length LPlanck ! =\G/c3 ⊂ 1.6 × 10⊗33 centim ...
Unruh Effect in Closed String Theory
... We have already obtained the solution of Klein-Gordon eq. in Minkowski Space-time. If we can represent the solution of Klein-Gordon eq. in Rindler space-time by the combination of the solutions of Klein-Gordon eq. in Minkowski space-time, it would be OK! Minkowski ...
... We have already obtained the solution of Klein-Gordon eq. in Minkowski Space-time. If we can represent the solution of Klein-Gordon eq. in Rindler space-time by the combination of the solutions of Klein-Gordon eq. in Minkowski space-time, it would be OK! Minkowski ...
Topological Coherence and Decoherence
... We are interested in topological field theories because they possess ‘hidden’ topological quantum numbers which are conserved even when the system is subject to quite severe perturbations. A model of central interest is the ‘dissipative W.A.H. model’ (named after Wannier, Az’bel, & Hofstadter’). Thi ...
... We are interested in topological field theories because they possess ‘hidden’ topological quantum numbers which are conserved even when the system is subject to quite severe perturbations. A model of central interest is the ‘dissipative W.A.H. model’ (named after Wannier, Az’bel, & Hofstadter’). Thi ...
Slides - Indico
... • Little Higgs theories were an outgrowth of dimensional deconstruction: in these theories, the gauge group has the form of a direct product of several copies of the same factor, for example SU(3) × SU(3). • In the Minimal Moose model these symmetries acquires a clear physical attribute: they’re a c ...
... • Little Higgs theories were an outgrowth of dimensional deconstruction: in these theories, the gauge group has the form of a direct product of several copies of the same factor, for example SU(3) × SU(3). • In the Minimal Moose model these symmetries acquires a clear physical attribute: they’re a c ...
Hamiltonian Mechanics and Symplectic Geometry
... The first equation just says that the momentum is the mass times the velocity, combining this with the second equation is just the familiar F = −∇V = ma A special case of this occurs when V is quadratic q, this is the case of the harmonic oscillator, which can be solved exactly. The harmonic oscilla ...
... The first equation just says that the momentum is the mass times the velocity, combining this with the second equation is just the familiar F = −∇V = ma A special case of this occurs when V is quadratic q, this is the case of the harmonic oscillator, which can be solved exactly. The harmonic oscilla ...
Physics and the Integers - damtp
... dirty, systems. The quantum Hall effect is a phenomenon that occurs when semiconductors are placed in a magnetic field at low temperatures. The Hall conductivity, which describes how current flows perpendicular to an applied electric field, is given by e2 σ=n h where e is the electron charge and h i ...
... dirty, systems. The quantum Hall effect is a phenomenon that occurs when semiconductors are placed in a magnetic field at low temperatures. The Hall conductivity, which describes how current flows perpendicular to an applied electric field, is given by e2 σ=n h where e is the electron charge and h i ...
Science Buddhism - Cause and Effect
... Inherent Law of Cause and Effect Transcends space and time: Simultaneity Penetrate all previous and project to all future life existences Consciousness may help create reality Three Thousand Realms in a Single Moment of Mind ...
... Inherent Law of Cause and Effect Transcends space and time: Simultaneity Penetrate all previous and project to all future life existences Consciousness may help create reality Three Thousand Realms in a Single Moment of Mind ...
a S
... K. Nakamura et al. (Particle Data Group), J. Phys. G 37, 075021 (2010) [http://pdg.lbl.gov/2011/reviews/rpp2011-rev-qcd.pdf] ...
... K. Nakamura et al. (Particle Data Group), J. Phys. G 37, 075021 (2010) [http://pdg.lbl.gov/2011/reviews/rpp2011-rev-qcd.pdf] ...
