
	Where results make sense

Topic: Quantum fluctuation

Related Topics

Casimir effect

Werner Heisenberg

Never Turn Your Back On a Friend

Black Tiger Kung Fu

History of Bouvet Island

Bank of Scotland

Hong Kong Education and Manpower Bureau

Viktor Amazaspovich Ambartsumian

Bouvet Island

Windsor, Ontario

William Ide

Metropolitan Statistical Area

Swiss bank account

Royal Bank of Scotland

Kerala Sahitya Akademi

In the News (Mon 21 Dec 09)

Northern Trust

Marvin Harrison

Peter Chernin

Gary Locke

Match Play

Penelope Cruz

Mickey Rourke

AR Rahman

Danny Boyle

Hugh Jackman

	Loop quantum gravity - Wikipedia, the free encyclopedia
		Loop quantum gravity (LQG), also known as loop gravity and quantum geometry, is a proposed quantum theory of spacetime which attempts to reconcile the seemingly incompatible theories of quantum mechanics and general relativity.
		Utilization of quantum computing concepts made it possible to demonstrate that the particles are able to survive quantum fluctuations.
		Quantum Gravity and the Standard Model-- Shows that a class of background independent models of quantum spacetime have local excitations that can be mapped to the first generation fermions of the standard model of particle physics.
	en.wikipedia.org /wiki/Loop_quantum_gravity (2056 words)

	The causality of Quantum Mechanics (Site not responding. Last check: 2007-10-16)
		In Chapter one an analogy involving the formation of water particles in the earth's atmosphere was used to define the formation of a quantum particle in a three-dimensional space manifold with respect to a fourth spatial dimension.
		Since the quantum fluctuations mentioned in John A Wheeler's book define the length of a fundamental quantum particle it should also define the length of a fundamental "quantum mass unit of space" that was defined earlier.
		This indicates the equation 1/2mc^2=(h/c)f would define the magnitude of the "vibrations" or fluctuations in a continuous non-quantized field of mass and energy responsible for the energy of quantum fluctuations in space with respect to an observer who is stationary with respect to those quantum fluctuations.
	home.comcast.net /~jeffocal/chapter2.htm (1322 words)

	Quantum Fluctuation (Site not responding. Last check: 2007-10-16)
		Quantum fluctuation is the temporary appearance of energetic particles out of nothing, as allowed by the Uncertainty Principle.
		The quantum vacuum is just one particular state of a quantum field (corresponding to some particles).
		Hence, it is the "ground state" of the quantum field, the state of minimum energy.
	universe-review.ca /R03-01-quantumflu.htm (252 words)

	Quantum fluctuation - Wikipedia, the free encyclopedia
		In quantum physics, a quantum fluctuation is the temporary change in the amount of energy in a point in space, arising from Werner Heisenberg's uncertainty principle.
		Quantum fluctuations may have been very important in the origin of the structure of the universe: according to the model of inflation the ones that existed when inflation began were amplified and formed the seed of all current observed structure.
		Quantum fluctuations are recently being used to anneal glassy systems (physical glass, or equivalently, hard combinatorial optimization problem with ragged energy/cost landscape) to their minimal/ground states.
	en.wikipedia.org /wiki/Quantum_fluctuation (447 words)

	Universal Theory - Quantum Mechanics (Site not responding. Last check: 2007-10-16)
		As a matter of fact Copenhagen Interpretation of quantum mechanics as first introduced by Neils Bohr implies that superposition of states is a mathematical formalism and exists in the mind of observer.
		In Consistent History approach to quantum mechanics by Griffith, Omness and Gell-mann/Hartle the superposition state of quantum level is considered a coarse grained state while a projector reduces and refine it to just one state and project it to macroscopic level.
		By the axioms of quantum mechanics a measurement of the properties of object #1 forces its wave function to collapse, instantly implies a correlated collapse in object #2 though it be arbitrarily far away.
	www.universaltheory.org /quantum_mechanics.htm (7365 words)

	Quantum Reality
		In the classical view energy distribution should increase endlessly into the high frequencies, but in the quantum view, to release a particulate photon of a given frequency, there has to be an atom somewhere with an energized enough electron to radiate the photon, so the energy is limited by the temperature of the thermal body.
		Quantum reality is a superposition of all the possible states in a single wave function, so if we can arrange a wave function to represent all the states in such a computation, collapse of the wave packet might give us the answer by a form of parallel quantum computation.
		Quantum computing takes a step in from the cold PHYSICISTS have found a relatively easy way to make a BoseEinstein condensate, the bizarre state of ultra-cold atoms that is helping to shed light on the quantum world.
	www.dhushara.com /book/quantcos/quant1/quant.htm (5971 words)

	Quantum Fluctuations Of Empty Space: A New Rosetta Stone In Physics?
		One by one the known quantum results were reproduced by this upstart neoclassical approach, now generally referred to as Stochastic Electrodynamics (SED) (9), as contrasted to quantum electrodynamics (QED).
		Out of this work emerged the reasons for such phenomena as the uncertainty principle, the incessant fluctuation of particle motion, the existence of Van der Waals forces even at zero temperature, and so forth, all shown to be due to the influence of the unceasing activity of the random background fields.
		Therefore, it is unlikely that quantum theory as we have come to know it and love it will be entirely replaced by a refurbished classical theory in the near future.
	www.padrak.com /ine/QUANTFLUX.html (2346 words)

	Quantum 1/f Effect in the Nuclear Spin Decoherence Rate and in Nanodevices
		Instead of being relevant at high frequencies, this quantum effect is important at very low frequencies, where it diverges, thereby becoming macroscopically observable in any laboratory or electronic device, although it is a genuine quantum fluctuation.
		The main purpose of this paper is to show how the quantum 1/f effect affects the operation of quantum engineering devices, i.e., quantum dots (or single-electron transistors), quantum wells, quantum wires, spin transistors or arrays of all these devices.
		The quantum-electrodynamic part of these quantum 1/f fluctuations is caused by bremsstrahlung in the elementary interaction processes causing the decoherence.
	www.foresight.org /Conferences/MNT7/Abstracts/Handel/index.html (983 words)

	QuantumBit.com
		Quantum orthogonality requires that upon actualization an observer finds only " 1 " or " 0 ".
		Quantum entanglement permits the observer to conduct a system's check and discover all apparatus functioning deterministically normal including data thruput.
		Tailored "true / false" arguments which closely approximate mechanically statistical equiprobability leave final state reduction subject to quantum fluctuation and therefore control.
	www.quantumbit.com /html/biased.html (364 words)

	Handel: Nanoscale Quantum 1/f Effect
		Macroscopic quantum effects are conside-red to be the exception, but the study of such effects can shed light on this problem.
		The quantum 1/f effect is present in the current transmitted through the SET off-resonance, and should be studied in order to better quantify the thermal and Kondo energy and momentum differences.
		The quantum 1 /f refraction index modulation is related to the quantum 1/f conductivity fluctuation through the Cramers-Cronig dispersion relations.
	www.foresight.org /conference/MNT6/Abstracts/Handel/index.html (1592 words)

	Original Gravitational Force Over-View: Gravity in a New Light (Site not responding. Last check: 2007-10-16)
		My theory is that the presence of matter begets quantum fluctuations that actually tear the fabric of space when they emerge, causing a graviton’s anti-particle (the anti-graviton) to exist for a fraction of a second only to cause a tear in space-time.
		Massive objects are constructed of so many dense particles in quantum flux that they become more and more excited as their gravity builds, smashing them together and repeating the process until they too can tear through the fabric of graviton space-time.
		This single atom has quantum fluctuation simply because it is matter that exists in our universe.
	www.unexplainable.net /artman/publish/printer_616.shtml (1312 words)

	EXOTIC MATTER AND ENERGY (Site not responding. Last check: 2007-10-16)
		Just as quantum mechanics says there is a certain probability that particles can appear from nowhere in a vacuum, quantum cosmology says there may be a certain probability that a small chunk of space and time will suddenly pop into existence.
		Quantum cosmology is thought to resemble neither general relativity by itself, nor quantum mechanics by itself, but “something” different from both.
		It was preceded by and evolved from a quantum fluctuation of spacetime.
	www.geocities.com /iona_m/Cosmology/Cosmology2000.html (8006 words)

	Post-Quantum Physics Progress Report
		This is formulated by stating that the orthodox quantum fluctuation for a beable is maximally random and uncontrollable.
		Furthermore, the temporal autocorrelation of a fluctuation of the beable, at one time multiplied by its fluctuation at another time, is a delta function of the two times [2].
		This suggests that, contrary to orthodox quantum mechanics, the fluctuating post-quantum potential of active information influencing, and simultaneously being influenced by, its attached beable, at one time, has a memory and intent that influences, and is also influenced by, its fluctuations at both earlier and later times in a globally self-consistent controllable way.
	www.qedcorp.com /pcr/vigier/crowell/pqmv4.html (2045 words)

	Fractal Neurodyamics and Quantum Chaos/2
		It is one thing to establish the possibility that fluctuations at the quantum level could in principle become amplified into global instabilities in the brain, but quite another thing to explain why the brain should find it advantageous to allow such disordered processes to intervene in its functioning.
		Both these authors adhere to the Everett many-worlds interpretation of quantum mechanics in which the collapse of the wave function never occurs, and all histories having a non-zero probability under the quantum prediction are presumed to co-exist as parallel aspects of a cosmic wave function.
		Such time-reversal is used in the transactional interpretation of quantum mechanics (Cramer 1986) fig 14(c), a mutual encounter between emitter and absorber is modelled by the release of crossed-phase advanced and retarded waves, each having zero-energy, the offer wave of the emitter and the confirmation wave of the absorber.
	www.dhushara.com /book/paps/consc/brcons2.htm (8731 words)

	The Energetic Vacuum: Implications For Energy Research
		The quantum vacuum is a very active place, with all sorts of particles appearing and disappearing.
		In quantum theory, however, this is not the case.
		Although this is true in a certain sense (it is the source of quantum noise), by and large the homogeneity and isotropy (uniformity) of the ZPF distribution prevent naive observation, and only departures from uniformity yield overtly observable effects.
	www.ldolphin.org /energetic.html (3270 words)

	Zero Point Energy (ZPE)
		But when we re-ask the question, "why didn't the electron radiate away its energy?" the answer is, basically, "well, in quantum theory it doesn't." It's at this point that not only the layman but some physicists can begin to feel that someone's not playing fair.
		Although knowledge of zero-point fields emerged from quantum physics as that subject matured, Professor Timothy Boyer at City College in New York took a contrary view.
		Could such an all-classical model reproduce quantum theory in its entirety, and might this possibility have been overlooked by the founders of quantum theory who were not aware of the existence of such a fluctuating background field?
	www.ldolphin.org /zpe.html (2233 words)

	Pawel Mazur
		My main interests are in Quantum Field Theory and Foundations of Quantum Theory as applied to gravitational phenomena and cosmology.
		The scattering of particles on a spinning cosmic string (torsion vortex) is given by the characteristic AB cross-section.
		Recently we have studied the emergence of gauge field structure in quantum mechanics (QM) and field theory.
	boson.physics.sc.edu /~quantum/People/Pawel_Mazur/pawel_mazur.html (433 words)

	PhysOrgForum Science, Physics and Technology Discussion Forums -> Original matter a quantum fluctuation
		If the original energy buildup of matter comming into existence is a quantum fluctuation it had to happen over time and space.
		The quantum fluctuations that brought matter into existence occur at fl holes.
		The quantum fluctuations that create matter are of course different from zero point energy or space energy.
	forum.physorg.com /index.php?showtopic=4601 (731 words)

	quantum fluctuation
		In quantum physics, a quantum fluctuation is the temporary change in the amount of energy in a point in space, arising from Werner Heisenberg's uncertainty principle." Quote from wikipidia".
		"quantum fluctuations" are the spread in local field value when the field is in its vacuum state.
		It is very similar to the "momentum fluctuation" one can have in a "position state" of a particle.
	www.physicsforums.com /showthread.php?t=60837 (1119 words)

	Disordered Systems and Quantum Chaos Report
		In quantum chaos, the goal is to understand the semiclassical asymptotics of the quantum properties of individual classically chaotic systems, examples of which include simple atoms (eg helium), molecules, and also mesoscopic quantum devices.
		The corresponding quantum energy levels are the eigenvalues of the Laplace-Beltrami operator and are related to the closed geodesics by the Selberg trace formula.
		However, new experimental results on the energy level correlations in nanoscale quantum dots (reported by C Marcus), and on the existence of a metal-insulator transition in two-dimensional silicon structures in contradiction to the standard scaling theory of the transition (S Kravchenko and collaborators), have highlighted the necessity to include interactions.
	www.newton.cam.ac.uk /reports/9798/dqc.html (4031 words)

	PhysOrgForum Science, Physics and Technology Discussion Forums -> Quantum Cosmology
		The theory(Quantum Cosmology) is that there was a single massive quantum fluctuation (or perhaps many tiny fluctuations) that became the universe.
		But this quantum fluctuation was different from the standard fluctuation.
		We need a theory of this original quantum fluctuation that shows why only matter was created.
	forum.physorg.com /index.php?showtopic=6647 (353 words)

	Creation ex nihilo - Without God
		Eventually, I would like to write an article assessing the value of quantum vacuum fluctuations as a means of producing universes, but for the time being, I will just let the scientists speak for themselves and leave evaluation to the reader.
		Uncaused, random quantum fluctuations in a flat, empty, featureless spacetime can produce local regions with positive or negative curvature.
		According to the most commonly accepted interpretation of quantum mechanics, individual subatomic particles can behave in unpredictable ways and there are numerous random, uncaused events.
	www.infidels.org /library/modern/mark_vuletic/vacuum.html (1727 words)

	Quantum Bibliography
		Quantum 1/f Noise Conference, Minneapolis, Minn., April 28, 1988.
		Hu and P.H. Handel: "Quantum 1/f Noise Is Quantum Chaos: Fractal Dimension of Quantum 1/f Noise", presented at APS Meeting, Indianapolis, Ind., March 1992.
		Tacano: "Hooge Fluctuation Parameter of Semiconductor Microstructures", publ.
	www.umsl.edu /~handel/QuantumBib.html (6621 words)

	Cosmology
		We consider a quantum gravity register that is a particular quantum memory register which grows with time, and whose qubits are pixels of area of quantum de Sitter horizons.
		By the quantum holographic principle, we associate N qubits to the nth de Sitter horizon...
		The fluctuations we have in mind correspond to early inflationary eras during which the entropy is probably of order 10^10, while the equilibrium entropy is of order 10^120.
	www.valdostamuseum.org /hamsmith/cosm.html (8651 words)

	System Design of Origin - Reviewing the Big bang and other Theories of Creation
		It gives a perpetual universe that in spite of fluctuation goes in a steady state in cycles.
		It presents a pulsating universe that fluctuates with in certain limits and goes in cycles.
		It is built in relation to local time [as way to survive against the local fluctuation or day to day fluctuations].
	www.geocities.com /quantum_reality2003/origin.htm (8123 words)

	Nonlinear Phenomena in Complex Systems, 2002, Vol.5, No.4, pp.372-379 (Site not responding. Last check: 2007-10-16)
		The consequences of the two forms of the quantum Nyquist formula is studied as a part of the general problem of determining the intensity of a Langevin source in quantum systems.
		It arises, in particular, in quantum electrodynamics in the calculation of the Lamb shift.
		It is established that the "substruction formalism" of quantum electrodynamics corresponds to the nontraditional form of the quantum Nyquist formula.
	www.j-npcs.org /abstracts/vol2002/v5no4/v5no4p372.html (283 words)

	Quantum Fluctuation
		Note: Many facts have been simplified to make them easier to understand.
		A quantum fluctuation is the appearance of equal but opposite particles out of vacuum.
		A particle of matter and another of antimatter can appear for a moment then quickly meet and annihilate each other.
	www.historyoftheuniverse.com /quantflu.html (65 words)

	Quantum Computation (Site not responding. Last check: 2007-10-16)
		A little blurb from a mini course on quantum information and computation given by K. Svozil of Vienna University of Technology, Austria
		Contains a nice set of reviews of papers on quantum computation and cryptography.
		Home Page of the Yamamoto Quantum Fluctuation Project's group on quantum measurement and quantum computers.
	synapse.cs.byu.edu /~dan/quantum.computation.html (105 words)

Try your search on: Qwika (all wikis)