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179274731c462ece | July 4, 2019
The Quantum Zeno Effect: how to pause time on a quantum computer
Zeno of Elea lived around 2500 years ago and established a set of philosophical problems still taught by philosophers. Despite no surviving writings by Zeno, we can learn about the concept known as Zeno’s arrow paradox from Aristotle’s wri... |
4095831e65450d88 | % Encoding: UTF-8 @COMMENT{BibTeX export based on data in FAU CRIS: https://cris.fau.de/} @COMMENT{For any questions please write to cris-support@fau.de} @article{faucris.208735469, abstract = {Since quantum mechanical calculations do not typically lend themselves to chemical interpretation, analyses of bonding interac... |
57a048ac22950642 | Sign up ×
Consider a free electron in space. Let us suppose we measure its position to be at point A with a high degree of accuracy at time 0. If I recall my QM correctly, as time passes the wave function spreads out, and there is a small but finite chance of finding it pretty much anywhere in the universe. Suppose it... |
54e0358124790883 | Wonder Woman - S1E7
This episode - penned from the same guy who wrote a third of the Batman episodes. In this episode:
Mr. Brady has The Black Death
Dr. Bellows makes homemade earthquakes
And Wonder Woman does lots of math
So, what are we waiting for? Let's jump in.
Before we start, let me bring up a bit of confus... |
4cabaaf667fcb43b | Hans O. Karlsson
Learn More
We use a posteriori error estimation theory to derive a relation between local and global error in the propagation for the time-dependent Schrödinger equation. Based on this result, we design a class of h, p-adaptive Magnus–Lanczos propagators capable of controlling the global error of the ... |
a588d2f5a7ad8aff | Franck Laloë
Do We Really Understand Quantum Mechanics?
Franck Laloë, Do We Really Understand Quantum Mechanics?, Cambridge University Press, 2012, 406pp., $75.00 (hbk), ISBN 9781107025011.
Reviewed by Valia Allori, Northern Illinois University
Do we really need another book on quantum mechanics? Quantum mechanics ... |
4dd314a34383dbe9 | Wednesday, June 17, 2009
Survival Isn't Cost-Effective
I trust my readers won’t be unduly distressed by an extended safari through the tangled jungles of the “dismal science” of economics. As suggested in several recent Archdruid Report posts, economic factors have played a massive role in putting the industrial worl... |
bc4d9bf7047eab4f | Atomic orbital
From Wikipedia, the free encyclopedia
(Redirected from Electron cloud)
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The shapes of the first five atomic orbitals: 1s, 2s, 2px, 2py, and 2pz. The colors show the wave function phase. These are graphs of ψ(x, y, z) functions which depend on the coordinates of one electron.... |
b8a55ca272a4eb7c | Take the 2-minute tour ×
Why does the formalism of QM represent reversible changes (eg the time evolution operator, quantum gates, etc) with unitary operators?
To put it another way, can it be shown that unitary transformations preserve entropy?
share|improve this question
2 Answers 2
up vote 4 down vote accepted
... |
aeddf3ec94375bad | Pauli exclusion principle
From Wikipedia, the free encyclopedia
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Wolfgang Pauli
The Pauli exclusion principle is the quantum mechanical principle that states that two identical fermions (particles with half-integer spin) cannot occupy the same quantum sta... |
0ed59f5775d1d2b1 | Sir John A. Pople, a mathematician who became a chemist and won a Nobel Prize in 1998 for a computer tool that describes the dance of molecules in chemical reactions, died Monday at his daughter's home in Chicago. He was 78.
The cause of death was liver cancer, his family said.
Dr. Pople was among the first to realiz... |
c158cde7c7995519 | stub born
Born-Oppenheimer approximation
In quantum chemistry, the computation of the energy and wavefunction of an average-size molecule is a formidable task that is alleviated by the Born-Oppenheimer (BO) approximation. For instance the benzene molecule consists of 12 nuclei and 42 electrons. The time independent S... |
d71999d3d678e64c | Take the 2-minute tour ×
I'm slightly confused as to answer this question, someone please help:
Consider a free particle in one dimension, described by the initial wave function $$\psi(x,0) = e^{ip_{0}x/\hbar}e^{-x^{2}/2\Delta^{2}}(\pi\Delta^2)^{-1/4}.$$
Find the time-evolved wavefunctions $\psi(x,t)$.
Now I know t... |
bb3a9fe49061f3e2 | Sign up ×
This is a thought experiment, so please don't treat it too harsh :-)
Short: If we could isolate two places A and B in the universe from all and any interaction with the surroundings, is there a physical law which states "if something is dropped in place A, it has to stay there"?
Long version: Let's assume ... |
ae0a40a4d669eda7 | Page semi-protected
Properties of water
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"Hydrogen monoxide" redirects here. For the hoax involving the chemical name of water, see Dihydrogen monoxide hoax.
"H2O" and "HOH" redirect here. For other uses, see H2O (disambiguation)... |
db68dd06e4dfc49e | Chirikov standard map
From Scholarpedia
Boris Chirikov and Dima Shepelyansky (2008), Scholarpedia, 3(3):3550. doi:10.4249/scholarpedia.3550 revision #137209 [link to/cite this article]
Jump to: navigation, search
Post-publication activity
Curator: Dima Shepelyansky
The Chirikov standard map [1], [2] is an area-prese... |
4996a399bdd589c4 | Sunday, August 5, 2018
Interpretation of Quantum Mechanics for Cats
Many Worlds
The de Broglie–Bohm theory, also known as the pilot wave theory, Bohmian mechanics, Bohm's interpretation, and the causal interpretation, is an interpretation of quantum mechanics. In addition to a wavefunction on the space of all po... |
e339c6bfb6103530 | Clifford Algebras
Applications to Mathematics, Physics, and Engineering
• Rafał Abłamowicz
Part of the Progress in Mathematical Physics book series (PMP, volume 34)
Table of contents
1. Front Matter
Pages i-xxiv
2. Clifford Analysis
3. Geometry
4. Mathematical Structures
5. Physics
1. Front... |
955e138a458267a2 |
Erwin Schrodinger (August 1887 – January 1961) was a Nobel Prize-wi...
What Is Life? The Physical Aspect of the Living Cell is based on a ...
Aperiodic crystal: "any crystal in which three-dimensional lattice ...
Atomic size is the distance from the nucleus to the valence shell w...
This section refers to statistical ... |
f5bcc2e061c28315 | We gratefully acknowledge support from
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and member institutions
New submissions
[ total of 265 entries: 1-265 ]
New submissions for Fri, 16 Nov 18
[1] arXiv:1811.05973 [pdf, other]
Title: Fault-Tolerant Metric Dimension of $P(n,2)$ with Prism Graph
Comments: 9 pages, 2 figures
Subjects: Combi... |
c06ba451ca3e070a | A Derivation of the effective spin model
XYZ quantum Heisenberg models with p-orbital bosons
We demonstrate how the spin- quantum Heisenberg model can be realized with bosonic atoms loaded in the band of an optical lattice in the Mott regime. The combination of Bose statistics and the symmetry of the -orbital wave f... |
1c3ec0ddc01ce081 | Monday, May 25, 2015
Separability and quantum mechanics
Tuesday, Apr 21st
Fernando Barbero, CSIC, Madrid
Title: Separability and quantum mechanics
PDF of the talk (758k)
Audio [.wav 20MB]
by Juan Margalef-Bentabol, UC3M-CSIC, Madrid
Classical vs Quantum: Two views of the world
In classical mechanics it is relati... |
a753ccdbf1d7adfd | Skip to main content
Lewis Baker
Supervised by Dr Scott Habershon and Dr Vasilios Stavros.
I graduated from the Physics BSc, MPhys degree at Warwick University in 2013, with first class honours. My final year project was within the area of Quantum Noise and Entanglement in Mesoscopic Conductors, supervised by Dr Ni... |
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Simulating the universe
1. Mar 5, 2007 #1
It is conjectured that one day it will be possible to produce a simulation of the universe with sentient beings. Obviously many problems will arise.
One that occurs to me is that such beings would need to be able to 'see'. ... |
e65492c8c5b8b21e | The transition amplitude for a particle currently in one spacetime point to appear up in another point doesn't respect causality which becomes one of the main reasons to abandon non-relativistic quantum mechanics. We impose the relativistic Hamiltonian $H=\sqrt{c^2p^2+m^2c^4}$ to get the Klein–Gordon equation or more c... |
1e000af0ffdfb38f | Politecnico di Torino (logo)
Single-Electron Phenomena in Electrochemistry of Biosensors
Tommaso Serra
Single-Electron Phenomena in Electrochemistry of Biosensors.
Rel. Alberto Tagliaferro, Sandro Carrara. Politecnico di Torino, Corso di laurea magistrale in Nanotechnologies For Icts (Nanotecnologie Per Le Ict), 20... |
49d4c5b6b561b6be | III. About Quantum Mechanics & Biology
We’ll start with the assumption that the laws of physics are sufficiently correct as written. Sufficiently correct means that for purposes of reconciling to our 1st person experience we don’t need to discover any new physics, such as a 5th force, or any new secret particle. The l... |
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dd60d2fed2bcb375 | Computers and cells
English: "U.S. Army Photo", from M. ...
English: “U.S. Army Photo”, from M. Weik, “The ENIAC Story” A technician changes a tube. Caption reads “Replacing a bad tube meant checking among ENIAC’s 19,000 possibilities.” Center: Possibly John Holberton (Photo credit: Wikipedia)
(Oops! One day late thi... |
1b242e7610044fcc | #36: August 21st – 27th
Amazon Braket v1.8.0
• Calculate arbitrary observables when shots=0
Bug Fixes and Other Changes
• Remove immutable default args
Quantum Alphatron
Patrick Rebentrost,Miklos Santha,Siyi YangAug 27 2021 quant-ph arXiv:2108.11670v1
Many machine learning algorithms optimize a loss functi... |
425cd14ab85d17ea | Nonlinear dispersive regularization of inviscid gas dynamics
Govind S. Krishnaswami*, Sachin S. Phatak, Sonakshi Sachdev, A. Thyagaraja
*Corresponding author for this work
69 Downloads (Pure)
Ideal gas dynamics can develop shock-like singularities with discontinuous density. Viscosity typically regularizes such s... |
16a70136287ec548 | Skip to main content
Self-Consistent Hybrid Functional Calculations: Implications for Structural, Electronic, and Optical Properties of Oxide Semiconductors
The development of new exchange-correlation functionals within density functional theory means that increasingly accurate information is accessible at moderate ... |
7e71a5a196ff2685 | Difference between revisions of "Scale Relativity"
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NOTE: this is a stub based on an almost totally deleted version of the Wikipedia article on scale relativity: https://en.wikipedia.org/w/index.php?title=Scale_relativity&oldid=938866469
'''Scale relati... |
e77359d47ca97aff | Article citationsMore >>
Planck Collaboration: Aghanin, N., et al., Planck 2018 results Cosmological parameters, arXiv:1807.06209v2, 20 Sep 2018.
has been cited by the following article:
Quantum Fluctuations and Variable G Return Einstein’s Field Equation to Its Original Formulation
1Åbo Akademi University, Finlan... |
380f4eb13a4748da | You are currently browsing the category archive for the ‘opinion’ category.
[The following statement is signed by several mathematicians at Stanford and MIT in support of one of their recently admitted graduate students, and I am happy to post it here on my blog. -T]
We were saddened and horrified to learn that Ilya ... |
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Feynman's perspective on the double slit
1. Jul 4, 2008 #1
I am reading The Elegant Universe by Brian Greene. It is really wonderful, however, I am confused by a section about Feynman's view on the double slit expiriment.
Greene writes:
"Feynman proclaimed tha... |
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b75f9b9f190e5e02 | lördag 29 juni 2013
The Linear Scalar MultiD Schrödinger Equation as Pseudo-Science
If we are still going to put up with these damn quantum jumps, I am sorry that I ever had anything to do with quantum theory. (Erwin Schrödinger)
The pillars of modern physics are quantum mechanics and relativity theory, which both h... |
b53a460808fe5c9d | « · »
Section 12.3: Classical and Quantum-Mechanical Probabilities
n = ω =
check, then click the input values and play button to see the probability densities instead.
check, then click the input values and play button to see the classical probability distributions too.
Please wait for the animation to completely... |
99f8e66ee5546f08 | Ground state
From Wikipedia, the free encyclopedia
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1D ground state has no nodes[edit]
In 1D, the ground state of the Schrödinger equation has no nodes. This can be proved considering the average energy of a state with a node at , i.e. . Consider the average energy in this state
where ... |
a62c3d62423552d1 | Is the Universe Actually Made of Math?
Cosmologist Max Tegmark says mathematical formulas create reality.
By Adam Frank|Monday, June 16, 2008
photography by Erika Larsen
Cosmologists are not your run-of-the-mill thinkers, and Max Tegmark is not your run-of-the-mill cosmologist. Throughout his career, Tegmark has mad... |
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The Top One Hundred Candidates
Below are the 100 candidate material moments that on-line voters ranked to create the official list of 50 Greatest Materials Moments.
Candidate Moment
28,000 BC (estimated)
The earliest fired ceramics--in the form of animal and human figu... |
9dd290e1f63b4662 | Berkeley Lab Research News banner Berkeley Lab logo
December 15, 2005
A Theoretical Breakthrough Inspired by Experiment
Calculating Electron Correlations in the Hydrogen Molecule
BERKELEY, CA – Need to understand the details of how a molecule is put together? Want to see the effects of the intricate dance that its e... |
3ab23293fc62bc35 | Take the 2-minute tour ×
Hi I'm currently learning Hamiltonian and Lagrangian Mechanics (which I think also encompasses the calculus of variations) and I've also grown interested in functional analysis. I'm wondering if there is any connection between functional analysis and Hamiltonian/ Lagrangian mechanics? Is there... |
e1f76561a5c8f0df | Quantum Physics
1004 Submissions
[9] viXra:1004.0121 [pdf] submitted on 25 Apr 2010
Equivalence of Maxwell's Source-Free Equations to the Time-Dependent Schrödinger Equation for a Solitary Particle with Two Polarizations and Hamiltonian |cp|
Authors: Steven Kenneth Kauffmann
Comments: 17 pages, Also archived as arX... |
a21cd1aa97ab20d3 | Sunday, July 6, 2014
Why Jesus died many times for our sins
St. Augustine was sure that Jesus died just once for our sins. However, Jesus died not only in our particular universe but also in many other parallel universes that are as real as ours.
Let’s explore the chain of reasoning behind this claim. One assumption... |
445482fc76872353 |
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Is there anything in the physics that enforces the wave function to be $C^2$? Are weak solutions to the Schroedinger equation physical? I am reading the beginning chapters of Griffiths and he doesn't mention anything.
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a8f8cc5abcea33a6 | « · »
Section 12.5: Ramped Infinite and Finite Wells
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Ramped wells consist of a potential energy function that is proportional to x added to either a finite well or an infinite well. The result is a finite or an infinite well with a ramped bottom. Solutions to such r... |
c5881b724517866f | Higgs boson and conformal symmetry
So far, I believed to be the only man on Earth to trust a complete absence of mass terms in the Standar Model (we call this conformal symmetry). I was wrong. Krzysztof Meissner and Hermann Nicolai anticipated this idea. Indeed, in a model where mass is generally banned, there is n... |
1d0bc8dcc88be90c | Tuesday, April 26, 2011
How arrow of geometric time is selected at quantum level?
I have discussed in the chapter About the Nature of Time of "Matter, Mind, Quantum" how the arrow of geometric time as a correlate for the experienced arrow of geometric time might be selected in TGD Universe. The discussion does not to... |
12583b82d178e2af |
By Susan Kruglinski, Oliver Chanarin|Tuesday, October 06, 2009
Roger Penrose could easily be excused for having a big ego. A theorist whose name will be forever linked with such giants as Hawking and Einstein, Penrose has made fundamental contributions to physics, mathematics, and geometry. He reinterpreted general... |
f756dfe670456a3e | Thursday, March 28, 2013
AskScience Live!
So I've got some amazing news. Many of you have heard of reddit, the "frontpage of the internet". In the past I mentioned as one of the greatest science resources that the internet has, and I still believe that. Sure, there are a lot of really horrible things about reddit, bu... |
6cc81060a4db2436 | Tesla Girls, Tesla Coils, She's My Tesla Goy-Um!
But Siriusly, an idea that is ahead of its Time is about as popular as the one that goes against the accepted Tide, relegating its proponent to Loopy (Round-the-Bend) status--without further introduction, I give You, Tesla!
. I, for one, refuse to subscribe to such a v... |
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Solitary wave in a laboratory wave channel
In mathematics and physics, a soliton is a self-reinforcing solitary wave packet that maintains its shape while it propagates at a constant velocity. Solitons are caused by a cancellation of nonlinear and dispersive effects in the medium. (The ter... |
2121f941b7cdd71a | Wednesday, November 6, 2013
old posts from
This is a collection of old blog posts, going back to 2006. For some strange reason I thought it would be a good idea to have two blogs. They have been migrated here from
a philosophy of science primer - part III
• part I: some history of science and logical empiricism,
... |
c12a59eff1ba9eec | onsdag 31 augusti 2016
Ännu Mer Undervisningstid i Matematik!
Riksdagen har sagt ja till Regeringens förslag att ytterligare utöka den totala undervisningstiden i matematik i grundskolan med 105 tim från 1020 tim till 1125 tim, detta efter att tiden ökades med 120 tim 2013. Den totala undervisningstiden i alla ämnen ... |
6b442805b483172a | Sixty Years of Quantum Physics
By Edward U. Condon
Washington University, St. Louis, Missouri
[Read before the Society December 2, 1960]
I was invited to speak on the occasion of the 1500th Regular Meeting of the Society, and of course am delighted to be able to come and do it. But those who conveyed the invitation... |
31bd8e8ea0d546dc | All Issues
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Volume 2, 2003
Volume 1, 2002
Communications on Pure & App... |
5b36784ceffd40cc | Friday, April 29, 2011
Fun with an Argon Atom
Photon-recoil bilocation experiment at Heidelberg
A recent experiment on Argon atoms by Jeri Tomkovic and five collaborators at the University of Heidelberg has demonstrated once again the subtle and astonishing reality of the quantum world.
Erwin Schrödinger, who devise... |
65dbe71b27373cba | Erasmus Langer
Siegfried Selberherr
Oskar Baumgartner
Markus Bina
Hajdin Ceric
Johann Cervenka
Lado Filipovic
Wolfgang Gös
Klaus-Tibor Grasser
Hossein Karamitaheri
Hans Kosina
Hiwa Mahmoudi
Alexander Makarov
Marian Molnar
Mahdi Moradinasab
Mihail Nedjalkov
Neophytos Neophytou
Roberto Orio
Dmitry Osintsev
Vassil Palanko... |
94bb6fe25507eb0a | Tuesday, October 20, 2015 ... Français/Deutsch/Español/Česky/Japanese/Related posts from blogosphere
Quantum field theory obeys all postulates of quantum mechanics
In particular, QFT can't contradict the superposition principle
A beginner who tries to learn quantum field theory, a user named Darkblue, asked a questi... |
e4acb37dc5e3093f | Chemical Principles/Electronic Structure and Atomic Properties
From Wikibooks, open books for an open world
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I have been asked sometimes how one can
be sure that elsewhere in the universe there
may not be further elements) other than
those in the periodic system. I have tried to
answer by s... |
f5b9b1e8e34bad2e | Viewpoint: A view from the edge
H. A. Fertig, Department of Physics, Indiana University, Bloomington, IN 47405
Published February 23, 2009 | Physics 2, 15 (2009) | DOI: 10.1103/Physics.2.15
Observation of Chiral Heat Transport in the Quantum Hall Regime
G. Granger, J. P. Eisenstein, and J. L. Reno
Published Feb... |
7bdc3b7a8e488498 | Superfluid vacuum theory
From Wikipedia, the free encyclopedia
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Superfluid vacuum theory (SVT), sometimes known as the BEC vacuum theory, is an approach in theoretical physics and quantum mechanics where the fundamental physical vacuum (non-removable ba... |
e75b927b9a9be684 | Translate This Blog
Saturday, April 30, 2016
Is Civility Lost On The Internet?
Maintaining a blog makes me a potential target, especially considering that I have an international readership and currently run over 50,000 hits per month. Over the years I've had some pretty hateful things said about me and my opinions,... |
c0b1d9bd9efd2362 | Tell me more ×
Consider standard quantum mechanics, but forget about the collapse of the wavefunction. Instead, use decoherence through interaction with the environment to bring the evolving quantum state into an eigenstate (rspt arbitrarily close by). Question: Can this theory be fundamentally deterministic?
If one ... |
fb040775df1dacdc |
Open Access Nano Express
Weak and strong confinements in prismatic and cylindrical nanostructures
Author Affiliations
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Received:16 April 2012
Accepted:19 June 2012
Published:5 July 2012
© 2012 Vorobiev et al.; licensee Springer.
Nanostructures (NS) of different kin... |
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Journal Club Theme of February 2009: Finite Element Methods in Quantum Mechanics
N. Sukumar's picture
pask_review2005.pdf1.36 MB
Welcome to the February 2009 issue. In this issue, we will discuss the use of finite elements (FEs) in quantum mechanics, with specific focus on the quantum-mechan... |
df221598f3620a8e | Dashen-Frautschi Fiasco
On April 29, at the 1965 spring meeting of the American Physical Society in Washington, Freeman J. Dyson of the Institute of Advanced Study (Princeton) presented an invited talk entitled "Old and New Fashions in Field Theory," and the content of his talk was published in the June issue of the P... |
b906b55f048942ad |
New straighforward approach to teaching quantum mechanics (scottaaronson.com)
155 points by georgecmu on July 31, 2012 | hide | past | web | favorite | 55 comments
I took 2 courses on Quantum Mechanics during my undergrad and I'm taking the Coursera course now as well for fun.
My biggest quibble with how QM is prese... |
e9bd43cd142b8e59 | « first day (3151 days earlier) last day (61 days later) »
12:00 AM
So what are all 4 numbers and does the equality hold?
got it
they are equal
thank you Ted!
You're welcome. Always remember to play with examples!
ok, thanks . Have to go, bye :)
12:06 AM
Hey chat!
heya @Lucas
how you're doing @Ted?
Quite well, t... |
226a9db0e6b1ce7b | Quantum theory of observation/Fundamental concepts and principles
From Wikibooks, open books for an open world
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The principles of quantum physics[edit]
Four principles (Dirac 1930, von Neumann 1932, Cohen-Tannoudji, Diu & Laloë 1973, Weinberg 2012) are enough:
• The space of state... |
1eb20f47370d82bb | DOI: 10.14704/nq.2015.13.3.797
Some Solutions of Extensive Quantum Equations in Biology, Formation of DNA and Neurobiological Entanglement
Yi-Fang Chang
Based on the extensive quantum theory of biology and NeuroQuantology, the Schrödinger equation with the linear potential may become the Bessel equation. Its soluti... |
c094616f1ff3cc83 | Search results “Meaning of quantum cryptography ppt”
What is QUANTUM CRYPTOGRAPHY? What does QUANTUM CRYPTOGRAPHY mean? QUANTUM CRYPTOGRAPHY meaning - QUANTUM CRYPTOGRAPHY definition - QUANTUM CRYPTOGRAPHY explanation. Source: Wikipedia.org article, adapted under https://creativecommons.org/licenses/by-sa/3.0/ license.... |
631928fec18507d5 | DOI: 10.14704/nq.2012.10.3.539
Brain Photons as the Quanta of the Quantum String
Miroslaw Kozlowski, Janina Marciak-Kozlowska
In this paper the new Schrödinger equation for brain waves is proposed and solved for quantum well with infinite boundaries. The spectra of the alpha, beta theta delta and gamma photons are ... |
dd60e277bb27082c | next up previous contents
Next: Perturbation Theory Up: quantrev Previous: The Hydrogen Atom Contents
Approximate Methods
The problems discussed in the previous section (harmonic oscillator, rigid rotator, etc.) are some of the few quantum mechanics problems which can be solved analytically. For the vast majority o... |
4845da271d62ed6e | Macs in Chemistry
Insanely great science
Mac OS X Applications J-M
Jamberoo:- Molecular Editor
Jamberoo (former JMolEditor) is a java program for displaying, analyzing, editing, converting, and animating molecular systems.Supported file types
GromacsGro files
Mopac 2002
Log file
xyz file
JAMMING:- 3D Prot... |
bc0d9af7ca68d5f0 | Take the 2-minute tour ×
I am working through Griffiths’ Introduction to Quantum Mechanics. In chapter 1, he attempts to impose a condition such that $$\frac{d}{dt}\int_{-\infty}^\infty\left|\psi(x,t)\right|^2dx=0$$ so that the normalization of a solution to the Schrödinger equation is independent of time. He derives ... |
6ffa6620bcf86174 | string theory FAQ
String theory
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Surveys, textbooks and lecture notes
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Quantum field theory
This page is to provide non-technical or maybe semi-technical discussion of the nature an... |
19a8a0040d1f06e9 | Séminaires de l’année 2013
Séminaire de la Fédération PHYSTAT-SUD : Ludwik Leibler
Ludwik Leibler, Matière Molle et Chimie, ESPCI, Paris
Glass-workers shape marvelous objects without using moulds or precise temperature control because glass is a unique material that transforms from liquid to solid in a very progres... |
5d579109e25e448f | Electron cloud: Wikis
(Redirected to Atomic orbital article)
From Wikipedia, the free encyclopedia
An atomic orbital is a mathematical function that describes the wave-like behavior of either one electron or a pair of electrons in an atom.[1] This function can be used to calculate the probability of finding any e... |
af2132e0761e8899 | Theoretical background
Theoretical background
Classical and quantum description of a particle
In classical mechanics the description of the dynamic state of a particle at a given time t is based on the specification of six parameters, the components of the position r(t) and linear momentum p(t) of the particle. All ... |
d57f04ebced9c9a4 | Talk:Laplace operator
From Wikipedia, the free encyclopedia
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WikiProject Mathematics (Rated C-class, High-importance)
WikiProject Mathematics
Mathematics rating:
C Class
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Field: Analysis
One of the 500 most frequently viewed mathematics articles.
edit·history·watch·refresh S... |
5fad3a0c40f63fad | We now have two books freely available to view & read on the Quantum Mind website – “Quantum Physics In Consciousness Studies”, &, “Consciousness, Biology And Fundamental Physics”. See below. Text is always free on the Quantum Mind website.
Quantum Physics In Consciousness StudiesConsciousness
Our latest book is ava... |
25a3af452746a9fd | Scientific Laws
As I have told you earlier, my guest is very sceptical about our scientific achievements. What follows are the notes I took, when he gave me a short summary of what he considers ‘our strategy’.
In modern understanding of science, the fundamental laws seem to be consequences of various symmetries of qu... |
4d5e02c73da0f816 | I asked a variety of people in different careers about the use of math in their lives. They answered any or all of the following questions:
1. Do you use math in your current profession? What type of math do you use? What is an example of the math you use?
2. What do you wish you had paid better attent... |
cd06c0acda8c4336 | Cornu’s spiral
Cornu’s spiral is the curve parameterized by
Cornu's spiral
Here’s the Python code used to make the plot.
from scipy.special import fresnel
from scipy import linspace
import matplotlib.pyplot as plt
t = linspace(-7, 7, 1000)
y, x = fresnel(t)
plt.plot(x, y)
* * *
Fo... |
77ac4c1c5b7aad56 | About this Journal Submit a Manuscript Table of Contents
ISRN Optics
Volume 2013 (2013), Article ID 783865, 51 pages
Review Article
Universal Dynamical Control of Open Quantum Systems
Weizmann Institute of Science, 76100 Rehovot, Israel
Received 25 March 2013; Accepted 24 April 2013
Academic Editors: M. D. Hoogerla... |
3339dfa57e9cd631 | Take the 2-minute tour ×
Let's suppose I have a Hilbert space $K = L^2(X)$ equipped with a Hamiltonian $H$ such that the Schrödinger equation with respect to $H$ on $K$ describes some boson I'm interested in, and I want to create and annihilate a bunch of these bosons. So I construct the bosonic Fock space
$$S(K) = \... |
7236642fe3957e27 |
Fundamental particles in the SU(2)xU(1) part of the Standard Model
Above: the Standard Model particles in the existing SU(2)xU(1) electroweak symmetry group (a high-quality PDF version of this table can be found here). The complexity of chiral symmetry – the fact that only particles with left-handed spins (Weyl sp... |
ca16743945b13cfe | Common Compounds
Exam Guide
Construction Kits
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Just Ask Antoine!
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Companion Notes
Atoms & ions
Chemical change
The mole
Energy & change
The quantum theory
Electrons in atoms
The periodic table
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Electrons in atoms
Learning Objectives
Lecture... |
246d416e8442173b | Quantum Monte Carlo
Quantum Monte Carlo
Quantum Monte Carlo
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Quantum Monte Carlo is a large class of computer algorithms that simulate quantum systems with the idea of solving the quantum many... |
5dbcb23114fa6eeb | The Copenhagen interpretation is a collection of views about the meaning of quantum mechanics principally attributed to Niels Bohr and Werner Heisenberg.[1][2][3] It is one of the oldest of numerous proposed interpretations of quantum mechanics, as features of it date to the development of quantum mechanics during 1925... |
f88470906818f07c | (redirected from Bion (physics))
Also found in: Dictionary, Thesaurus.
An isolated wave that propagates without dispersing its energy over larger and larger regions of space. In most of the scientific literature, the requirement that two solitons emerge unchanged from a collision is also added to the definition; othe... |
9378153abf178c85 | ANTIMATTER: who ordered that?
The existence of antimatter became known following Dirac’s formulation of relativistic quantum mechanics, but this incredible development was not anticipated. These days conjuring up a new particle or field (or perhaps even new dimensions) to explain unknown observations is pretty much st... |
5614005a63fcd89f | semiclassical approximation
physics, mathematical physics, philosophy of physics
Surveys, textbooks and lecture notes
theory (physics), model (physics)
experiment, measurement, computable physics
To some extent, quantum mechanics and quantum field theory are a deformation of classical mechanics and classical f... |
b8eb20c6b4310063 | Is the nature of quantum chaos classical?
We pay attention here to three originating moments: 1) Equation (12) is the Schrödinger equation again, but without an external
Is the nature of quantum chaos classical?
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Is the nature of quantum chaos classica... |
c9df71a8617bd258 | From Uncyclopedia, the content-free encyclopedia
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[[File:|200px]] Idiotic Table of Elements »
Scientific Information
moderate to high
Natural Habitat:
Sitting motionless in front of the television, worrying about her Standard atomic weight
Known Isotopes:
Physical Properties
−272.2... |
fb7ac4f4b9b40ac1 | Title: Development of 3d-printed microwave metamaterial absorbers
This project relates to the development of broadband metamaterial absorbers for mm-wavelength radiation. Such absorber technologies are being considered for next-generation telescopes measuring the polarization of the cosmic microwave background (CMB). ... |
726a9f639845107d | A graph of isotope stability, with some of the magic numbers.
In nuclear physics, a magic number is a number of nucleons (either protons or neutrons, separately) such that they are arranged into complete shells within the atomic nucleus. As a result, atomic nuclei with a 'magic' number of protons or neutrons are much ... |
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