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Limits of classical physics II.
Limits of classical physics II.

... But: electrons in the ground state do not radiate!!! Electrons do not fell into the core. ...
Evolving Notions of Security for Quantum Protocols
Evolving Notions of Security for Quantum Protocols

... [BH05] Michael Ben-Or, Avinatan Hassidim: Fast quantum byzantine agreement. STOC 2005: 481-485 [BHLMO'05] Michael Ben-Or, Michal Horodecki, Debbie W. Leung, Dominic Mayers, Jonathan Oppenheim: The Universal Composable Security of Quantum Key Distribution. TCC 2005: 386-406. quant-ph/0409078 [BM'05] ...
Good and Evil at the Planck Scale
Good and Evil at the Planck Scale

... Good and Evil at the Planck Scale Jill Niemark’s Nexus interview with Stuart Hameroff Q: You’re an anesthesiologist who’s exploring the frontiers of consciousness research. What are the links between the two? A: In medical school I became interested in consciousness, and thought I’d go into a specia ...
Pretest for Uncertainty Principle Part 1
Pretest for Uncertainty Principle Part 1

From the Photon to Maxwell Equation. Ponderations on the Concept
From the Photon to Maxwell Equation. Ponderations on the Concept

Planck`s quantum theory
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... Louis deBroglie postulated that any particle of mass m travelling with velocity v (i.e. momentum p = m.v) would have a wavelength given by: ...
Quantum Information and Spacetime
Quantum Information and Spacetime

Quantum Mechanics helps in searching for a needle in a
Quantum Mechanics helps in searching for a needle in a

The Structure of Matter: The Basic Particle Model - ag
The Structure of Matter: The Basic Particle Model - ag

Many_1 - USU physics
Many_1 - USU physics

... mechanics is an incomplete theory. In this view, every quantum system is described by more variables than those in the Schrödinger wavefunction, but they are “hidden” from us. If these hidden variables were known, a perfectly predictable (classical) theory could be constructed. An alternative interp ...
Relativity and Quantum Field Theory
Relativity and Quantum Field Theory

... of the way the absolute spatial slices are “rigged”: In Neo-Newtonian spacetime, the rigging consists of “straight” trajectories, whereas in Maxwellian spacetime, it consists of “straight” and “curved” trajectories. More precisely, a Neo-Newtonian connection can distinguish between a straight and a ...
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21.3 Finding Scalar Potentials

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G. Maxwell`s Equations: Integral Form
G. Maxwell`s Equations: Integral Form

... 1. We started with Coulomb's Law. The first equation is Gauss's Law, which is an alternate form of Coulomb's Law. 2. Then we used special relativity and Coulomb's Law to arrive at the magnetic field. The field lines closed on themselves for our line of current. Therefore, there are no net magnetic-f ...
QUANTUM COMPUTATION Janusz Adamowski
QUANTUM COMPUTATION Janusz Adamowski

... During that time the quantum laws had been formulated, the fundamental quantum phenomena had been discovered and explained. The formulation of quantum laws in terms of path integrals by Richard Feynman (∼ 1942) is treated as the end of the first quantum revolution. On the 29th December 1959, in Calt ...
Schrödinger Theory of Electrons in Electromagnetic Fields: New
Schrödinger Theory of Electrons in Electromagnetic Fields: New

... A principal insight into Schrödinger theory arrived at is that the Schrödinger equation can be written in self-consistent form. To explain what we mean, consider first the stationary-state case. It is proved via the “Quantal Newtonian” first law, that for arbitrary state, the Hamiltonian Ĥ for the ...
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The principle of constancy of the speed of Light in free-space

The Many Avatars of a Simple Algebra S. C. Coutinho The American
The Many Avatars of a Simple Algebra S. C. Coutinho The American

... amplitudes. In particular, as he explicitly stated in his original paper, these amplitudes do not commute; a fact that deeply troubled him. At first Heisenberg hoped to remove the need for non-commutative amplitudes from his theory. Unable to 'improve' the paper, he decided to come out with it and ...
Quantum design
Quantum design

... A function f: GG is said to be perfect nonlinear iff for any a  0 and b there is exactly one x such that f(x+a)  f(x) = b. Example: f(x)=x2 in Z/pZ, where p is prime, is perfect non-linear. These functions are much studied in cryptography, but mostly in the binary case n=2m. ...
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Quantum Phase Transitions - Subir Sachdev
Quantum Phase Transitions - Subir Sachdev

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Today in Physics 218: gauge transformations

Poster PDF (3.9mb)
Poster PDF (3.9mb)

... add to have a substantial effect on the output. Scaling up a quantum computer therefore requires either simplifying the circuits or reducing errors. To that end, we present open-loop error correction for single-qubit gates in the form of pulse sequences of optimal length. We also show how to reduce ...
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History of quantum field theory

In particle physics, the history of quantum field theory starts with its creation by Paul Dirac, when he attempted to quantize the electromagnetic field in the late 1920s. Major advances in the theory were made in the 1950s, and led to the introduction of quantum electrodynamics (QED). QED was so successful and ""natural"" that efforts were made to use the same basic concepts for the other forces of nature. These efforts were successful in the application of gauge theory to the strong nuclear force and weak nuclear force, producing the modern standard model of particle physics. Efforts to describe gravity using the same techniques have, to date, failed. The study of quantum field theory is alive and flourishing, as are applications of this method to many physical problems. It remains one of the most vital areas of theoretical physics today, providing a common language to many branches of physics.
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