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The Minimal Length Scale
The Minimal Length Scale

... The committee will also consider an alternative, although less likely, possibility that the colliding particles could achieve such a high density that they would form a mini black hole. In space, black holes are believed to generate intense gravita-tional fields that suck in all surrounding matter. ...
On the physical basis of cosmic time - Philsci
On the physical basis of cosmic time - Philsci

... a parameter t which is interpreted as time. Whereas, as a mathematical study, one may consider arbitrary small values of t, our aim here is precisely to investigate under what conditions – and in which t-parameter range – one is justified in making the interpretation t ↔ time. In this paper we shall ...
Large Extra Dimensions - Are you sure you want to look at this?
Large Extra Dimensions - Are you sure you want to look at this?

... they could even infinite in extent [4], and still have a universe that is consistent with our observations that space-time appears 4-dimensional. As an added bonus, extra dimensions are not only permissible, but they can also resolve some of the puzzles present in 4 dimensions. Before investigating ...
Dynamical Conformal and Electro
Dynamical Conformal and Electro

... - other physics, … Planck scale thresholds… Lalak, Lewicki, Olszewski, è important: watch central values & errors è important: new physics ßà DM, mν è what if the SM were metastable…? à 1st bubble… à thermal history… M. Lindner, MPIK ...
A definite resolution of the mystery of
A definite resolution of the mystery of

... photon is just one. It is therefore reasonable to assume that the Newtonian expression for kinetic energy E = mv 2 / 2 could be reduced following a principle of scale relativity by the ratio of one to 12 − 1 = 11. This fact also follows from Rayleigh theorem on Eigenvalues which state that restricti ...
4. Weighty Arguments - The University of Arizona – The Atlas Project
4. Weighty Arguments - The University of Arizona – The Atlas Project

... adding GM/R2 ft/sec toward the Earth each second, which causes the Moon to turn continually in a roughly circular orbit around the Earth. The centripetal acceleration of an object revolving in a circle is v2/R = 2R, and so (Newton reasoned) this must equal the gravitational acceleration. Thus we ha ...
A Cell Dynamical System Model for Simulation of Continuum
A Cell Dynamical System Model for Simulation of Continuum

... from the Sun is the same for all planets (Weinberg,1993). Newton developed the idea of an inverse square law for gravitation in order to explain Kepler’s laws, in particular, the third law. Kepler’s laws were formulated on the basis of observational data and therefore are of empirical nature. A basi ...
Flipped SU(5) - cosmology - Arizona State University
Flipped SU(5) - cosmology - Arizona State University

... • We solve for the bilinear soft term B, and enforce compatibility with the RGEevolved value of B from the high scale B=0 boundary. We allow a deviation tolerance which is compatible with uncertainties in electroweak input data. • This enforces a non-trivial constraint, providing for example a param ...
- Sussex Research Online
- Sussex Research Online

... be described by a grand unified gauge theory at sufficiently high energy scales has intrigued physicists for many years [1]. There are hints that the renormalization group evolution of the coupling constants of the standard model of particle physics, or possibly of its supersymmetric version, causes ...
Compact dimensions
Compact dimensions

... 1. All known experiments/observations are done on the D3 brane and do not sense the extra dimensions until the energy scale of the experiment reaches the bulk scale  (string tension)-1 (= TeV?) 2. Gravity propagates in all the 3+d spatial dimensions, including the D3 brane, of course. 3. As we appr ...
Grand unification and enhanced quantum gravitational effects
Grand unification and enhanced quantum gravitational effects

... be described by a grand unified gauge theory at sufficiently high energy scales has intrigued physicists for many years [1]. There are hints that the renormalization group evolution of the coupling constants of the standard model of particle physics, or possibly of its supersymmetric version, causes ...
Relativity
Relativity

... of studying frames of reference that move with respect to each other.  He began with the curious result of the Michelson-Morley experiment – that the speed of light appears to be the same in all frames of reference. ...
Relativity and Quantum Mechanics
Relativity and Quantum Mechanics

...  Derive and apply the formula for time dilation.  Derive and apply the formula for length contraction.  Solve a problem using a Lorentz transformation.  Apply the relativistic momentum formula.  Describe the Doppler effect; apply the Doppler equation for light moving either towards or away from ...
Incomplete notes - UCI Physics and Astronomy
Incomplete notes - UCI Physics and Astronomy

... tension alone, but a battleship floats because of buoyancy (so they both float, but for very different reasons–i.e. because of different physics). More extremely, we know that atoms behave very differently from anything on a human scale (though curiously enough we believed for a long time that atoms ...
Chapter 4-6 - OPFI Conceptual Physics
Chapter 4-6 - OPFI Conceptual Physics

... The scale would read 390 N instead of the person’s weight, which is 490 N. If the elevator accelerates up, the scale reads a value higher than the person’s weight of 490 N. There is really no limit to the upward acceleration although the person would become unconscious if the acceleration were great ...
Levers Lab
Levers Lab

... Purpose: to determine the mechanical advantage of First, Second, and Third Class Levers. There are 3 classes of levers. In a first class lever, the pivot point or fulcrum is located between the load (output force, resistance) and your force (input force, effort). What is an example of a first class ...
Click here for the power presentation of the lecture by Prof. Mukhi
Click here for the power presentation of the lecture by Prof. Mukhi

... Tests of time dilation and transverse Doppler effect: Ives and Stilwell; Particle Lifetimes, Doppler ...
Tomasz Bigaj - Spacetime Society
Tomasz Bigaj - Spacetime Society

... in a particular way when the conditions are satisfied. When we reject the supposition that there is an “objective element of reality” corresponding to a counterfactual property attribution derived from the outcome of the distant measurement, then the counterfactual semantics that we have adopted all ...
URL - StealthSkater
URL - StealthSkater

... I neither understand this. The "many-sheeted" part may be related to the fact that in canonical quantum gravity, you must do foliation of spacetime. The "fractality" … well, I supose it referes to the well-known fractals discovered and popularized by Mandelbroit. But what-the-hell do they here? I me ...
PHYS 1405 – Conceptual Physics I The Equilibrium Rule Leader
PHYS 1405 – Conceptual Physics I The Equilibrium Rule Leader

... will continue in a state of uniform motion. If it is at rest, it will remain at rest and if the object is moving at constant velocity, it will remain moving at constant velocity. In this activity we will explore Newton’s 1st Law from the point of view of finding the forces necessary to produce equil ...
Chapter 3 SIZE, SCALE AND THE BOAT RACE - Neti
Chapter 3 SIZE, SCALE AND THE BOAT RACE - Neti

... fundamental physics was first made by Georgi, Quinn and Weinberg (1974). They made the extraordinary observation that three of the four basic forces of nature (electromagnetism, the weak, and the strong nuclear forces) which appear to be so vastly different at “human size” scales, have the same stre ...
Assignment • Hat Curve Fractal Handout
Assignment • Hat Curve Fractal Handout

... transformation on an initial value or state and then repeating that transformation on the result. ...
AH Physics SpaceandTimeTeachersNotes Mary
AH Physics SpaceandTimeTeachersNotes Mary

... straight line with a constant speed. The word ‘in ertial’ implies nonaccelerating. Any object has inertia, which is its resistance to changes of motion. Thus Einstein’s special relativity is restricted to frames of reference with constant speed in one direction with respect to each other. Using the ...
125 GeV higgs in supersymmetry
125 GeV higgs in supersymmetry

... ELEMENTARY HIGGS BOSON PREDICTED BY THE SM IS DISCOVERED! „APPARENTLY JUST” IS VERY IMPORTANT! ...
Relativity at the centenary - Gravity Probe B
Relativity at the centenary - Gravity Probe B

... cite a paper by the LIGO Scientific Sun, an effect called the Shapiro time delay. Bruno the same acceleration as ordinary matter of the University of Pavia in Italy and and other types of energy in a gravitaCollaboration that was published in Bertotti colleagues have analysed these waves, and their ...
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Scale relativity

Scale relativity is a geometrical and fractal space-time theory. The idea of a fractal space-time theory was first introduced by Garnet Ord, and by Laurent Nottale in a paper with Jean Schneider. The proposal to combine fractal space-time theory with relativity principles was made by Laurent Nottale. The resulting scale relativity theory is an extension of the concept of relativity found in special relativity and general relativity to physical scales (time, length, energy, or momentum scales). In physics, relativity theories have shown that position, orientation, movement and acceleration cannot be defined in an absolute way, but only relative to a system of reference.Noticing the relativity of scales, as noticing the other forms of relativity is just a first step. Scale relativity theory proposes to make the next step by translating this simple insight formally in physical theory, by introducing explicitly in coordinate systems the “state of scale”.To describe scale transformations requires the use of fractal geometries, which are typically concerned with scale changes. Scale relativity is thus an extension of relativity theory to the concept of scale, using fractal geometries to study scale transformations.The construction of the theory is similar to previous relativity theories, with three different levels: Galilean, special and general. The development of a full general scale relativity is not finished yet. However, the existing progress and results already have consequences for the foundations of quantum mechanics, particle physics, and high energy physics. Furthermore, empirical predictions in physics, astrophysics, and cosmology have already been validated, most often with a high precision, or highly statistically significant results.
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