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5cd6442138646729 | fredag 20 februari 2015
Physical Quantum Mechanics 9: Big Lie More Convincing
In this sequence we argue that a second order real-valued form of Schrödinger's equation:
• $\ddot\psi + H^2\psi =0$ (1)
may be to prefer before the standard first order complex-valued form:
• $i\dot\psi + H\psi =0$, (... |
b93f5e305d946503 | Frank Wilczek [1.14.09]
The most exciting thing that can happen is when theoretical dreams that started as fantasies, as desires, become projects that people work hard to build. There is nothing like it; it is the ultimate tribute. At one moment you have just a glimmer of a thought and at another moment squiggles on p... |
3a58fd0a9fcffdd5 |
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Courses Is Modern Physics course hard?
1. Apr 15, 2005 #1
Is "Modern Physics" course hard?
Is "Modern Physics" course hard? It's a 3 Credit course that deals with special relativity, atomic structure etc.
Would it be impossible to study for... |
afe96310e8927fc0 | Laguerre polynomials
From Wikipedia, the free encyclopedia
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In mathematics, the Laguerre polynomials, named after Edmond Laguerre (1834 - 1886), are solutions of Laguerre's equation:
which is a second-order linear differential equation. This equation... |
ca76ca67d1042523 | Monday, 30 June 2008
Tortoise and Hare - the Chinese Space Programme
From via Cumudgeon's Corner:
China is stepping up and out in the world of space exploration.
Space officials in that country are readying the Shenzhou 7 spacecraft for an October sendoff, one that will carry a trio of their "taikonauts" into Earth ... |
82fe2aee475b9038 | Sturm–Liouville theory
From Wikipedia, the free encyclopedia
(Redirected from Sturm–Liouville operator)
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In mathematics and its applications, a classical Sturm–Liouville theory, named after Jacques Charles François Sturm (1803–1855) and Joseph Liouville (1809–1882), is the theory of a rea... |
6132a4e1acb48e5f | Tuesday, June 08, 2010
What's so misleading about Nassim Haramein?
"If a planet suddenly stopped spinning it would explode"
NH explains his Grand Unified Field Theory (here).
Traducción al español y la discusión aquí.
Below are some examples.
1. The hype and the Schwarzschild Proton
Here's one example:
a... |
6344b30143fd1d01 | Harmonic oscillator – series solution
Required math: calculus
Required physics: harmonic oscillator
The complete Schrödinger equation for the harmonic oscillator potential is
\displaystyle -\frac{\hbar^{2}}{2m}\frac{d^{2}\psi}{dx^{2}}+\frac{1}{2}kx^{2}\psi=E\psi \ \ \ \ \ (1)
To solve this equation, we split the... |
6b9bf9eede14628b | Professor Erich Krautz-Preisträger 2015: Zhe Wang
Low-dimensional quantum magnets provide unique possibilities to study ground and excited states of quantum models, to explore new phases of quantum matter, and to investigate the interplay of quantum and thermal fluctuations. In his dissertation entitled "Terahertz an... |
54768f450f326839 | Friday, April 17, 2009
Does gravity change with time?
El Cid said...
I think you idea about the aether may be equivalent with the Dirac sea, which is a consequence of the Dirac equation. This equation is like the Schrödinger equation but with Lorentz symmetry.
According to wikipedia :
Dirac, Einstein and ... |
5013a21e90eac3aa | Becoming a Physicist
Question: What drew you to math at a young age
Gates: My first fascination with math, I have this first conscious memory of sort of thinking about it, goes back to when I was age eight. Mathematics in our family is something we kind of like. My grandfather could neither read nor write, but he c... |
41ea00c82258b703 | Page protected with pending changes level 1
Quantum mechanics
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Wavefunctions of the electron in a hydrogen atom at different energy levels. Quantum mechanics cannot predict the exact location of a particle in space, only the probability of findin... |
424d983b162ca6a3 | Terence Tao
Australian mathematician
Terence Tao, (born July 17, 1975, Adelaide, Australia), Australian mathematician awarded a Fields Medal in 2006 “for his contributions to partial differential equations, combinatorics, harmonic analysis and additive number theory.”
Tao received a bachelor’s and a master’s degree ... |
f13a1b0063b64e3d | Hello World!
Projects & Accomplishments
Abiyev's Balanced Squares and Cubes
I've been interested in magic (Balanced) squares and cubes from a young age, and collaborated with Prof. Dr. Abiyev on several research projects which gave me some insight into the world of research. Over time, the projects got more serious ... |
e6c8bc20339f84a0 | 8 July 2016 Special Section Guest Editorial: Optics, Spectroscopy, and Nanophotonics of Quantum Dots
Author Affiliations +
This PDF file contains the editorial “Special Section Guest Editorial: Optics, Spectroscopy, and Nanophotonics of Quantum Dots” for JNP Vol. 10 Issue 03
Pokutnyi and Kulchin: Special Section Guest ... |
c988f335a9e5ec85 | Quantum field theory
Relativistic Quantum Field Theory :: Chapter from ‘Deep Down Things’ by Bruce A. Schumm
Summary and review of the above chapter
INTRODUCTION: The ability of particles possessing mass and charge to be annihilated, and charge carriers such as photons to be absorbed by such particles could be... |
daa6b454bcb7551a | Basic Research Needs Workshop on Synthesis Science for Energy Relevant Technology
Synthesis Science for Energy Relevant Technology
JPG.jpg file (2.1MB)
Report.pdf file (4.5MB)
This report, which is the result of the Basic Energy Sciences Workshop on Basic Research Needs for Synthesis Science for Energy Technologies, ... |
b0008c2e317731ee | Sharp boundary behaviour of solutionsto semilinear nonlocal elliptic equations
Sharp boundary behaviour of solutions to semilinear nonlocal elliptic equations
We investigate quantitative properties of nonnegative solutions to the semilinear diffusion equation , posed in a bounded domain with appropriate homogeneous... |
c07fd3eadc08dae2 | Hamilton-Jacobi-Einstein Equation
Get Hamilton%E2%80%93Jacobi%E2%80%93Einstein Equation essential facts below. View Videos or join the Hamilton%E2%80%93Jacobi%E2%80%93Einstein Equation discussion. Add Hamilton%E2%80%93Jacobi%E2%80%93Einstein Equation to your PopFlock.com topic list for future reference or share this re... |
c24356d0efa2da4b | LOG#114. Bohr’s legacy (II).
Dedicated to Niels Bohr
and his atomic model
2nd part: Electron shells,
Quantum Mechanics
and The Periodic Table
Niels Bohr (1923) was the first to propose that the periodicity in the properties of the chemical elements might be explained by the electronic structure of the atom. In ... |
f380d09158f24172 |
-by I, Quantum
Table of Contents
Synopsis – Free Will
1. The Question of Free Will
2. Dualities
3. About Quantum Mechanics and Biology
5. Crisscross Entanglement and the Nonlinear Schrödinger Equation
6. The Mind’s Eye and Free Will
7. Making Sense of Experimental Results in Neuroscience
8. What is ... |
52d0c6ae5e24bc66 | Vol. 62, No. 6 (2013)
A class of asymptotic solution of sea-air time delay oscillator for the El Niño-southern oscillation mechanism
Ouyang Cheng, Lin Wan-Tao, Cheng Rong-Jun, Mo Jia-Qi
2013, 62 (6): 060201. doi: 10.7498/aps.62.060201
Abstract +
A class of coupled system of the El Niño-southern oscillation mechanism i... |
cbc50d0d5fe5af36 | Ladder Operators
Mathematically, a ladder operator is defined as an operator which, when applied to a state, creates a new state with a raised or lowered eigenvalue [1]. Their utility in quantum mechanics follows from their ability to describe the energy spectrum and associated wavefunctions in a more manageable way, ... |
4b62978988e04658 | Led By An Equation
The Schrödinger equation of quantum mechanics is probably one of the most beautiful ever conceived, because it can describe a Universe that we will never be able to see in its entirety. We didn’t invent that equation, but we just limited ourselves to discovering it by looking at the Universe from t... |
63f8977754ef825e | General relativity
From Wikipedia, the free encyclopedia
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Slow motion computer simulation of the black hole binary system GW150914 as seen by a nearby observer, during 0.33 s of its final inspiral, merge, and ringdown. The star field behind the black holes is being heavily distorted an... |
37851c26be027b63 | I know how to calculate them and such stuff, but I wanted to know what they actually signify. I have a vague idea that they have something to do with an electron's position in an atom but what do all of them mean? Any help would be greatly appreciated!
Quantum numbers give information about the location of an electro... |
67fb2cb13a129b9b | Is it possible to formulate the Schrödinger equation (SE) in terms of a differential equation involving only the probability density instead of the wave function? If not, why not?
We can take the time independent SE as an example:
$$-\frac{\hbar ^{2}}{2m}\nabla ^{2}\psi (\mathbf {r} )+V(\mathbf {r} )\psi (\mathbf {r}... |
ed815c863e683902 | JAM 2012 Exam Syllabus - PH (Physics)
Syllabus: Joint Admission Test For M.Sc. 2012
Physics (PH)
Mechanics and General Properties of Matter: Newton’s laws of motion and applications, Velocity and acceleration in Cartesian, polar and cylindrical coordinate systems, uniformly rotating frame, centrifugal and Corioli... |
de675bb071ed9546 | Wavelet and Multiscale Library
This Wavelet and Multiscale Library in essence is a map with the aim to generate a platform for scholars, tutors, and researchers. The focus of this library are basis-oriented algorithms that use ansatz systems with multiscale structure and their mathematical background on research level... |
a4af43061b5e4b77 | Thursday, February 20, 2014
Experimental evidence for sterile neutrino?
Many physicists are somewhat disappointed to the results from LHC: the expected discovery of Higgs has been seen as the main achievement of LHC hitherto. Much more was expected. To my opinion there is no reason for disappointment. The exclusion o... |
82966200fc40f384 | Saturday, May 20, 2017
Cosmo : supremely relaxing fishing video
The Seychelles are an angler’s paradise – if you can actually get to them.
Follow the crew of the Alphonse Fishing Co. as they wade the flats of the Cosmoledo Atoll, hoping for a shot at Giant Trevally.
see the story
Cosmoledo island with the GeoGarage... |
437765aeb25f891b | Chemistry matters. Join us to get the news you need.
Physical Chemistry
Quantum computing goes beyond hydrogen and helium
IBM system calculates ground states of lithium hydride and beryllium hydride
by Stu Borman
September 13, 2017 | APPEARED IN VOLUME 95, ISSUE 37
Credit: IBM
Micrograph of quantum computing pr... |
7411470df027a0c5 |
Quasiparticle self-consistent method; a basis for the independent-particle approximation
Takao Kotani School of Materials, Arizona State University, Tempe, AZ, 85284 Mark van Schilfgaarde School of Materials, Arizona State University, Tempe, AZ, 85284 Sergey V. Faleev Sandia National Laboratories, Livermore, C... |
85792b105529b84e | From victor
Revision as of 16:26, 19 August 2014 by Layla (Talk | contribs)
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The Victor2.0 library (Virtual Construction Toolkit for Proteins) is an open-source project dedicated to providing a C++ implementation of tools for analyzing and manipulating protein structures. Victor is composed... |
2ecb1c059cf061a4 | Jun 07, 2019
Nuclear-physics and quantum-chemistry theoreticians join forces to accurately predict the properties of the atomic nucleus
Predicting properties of, e.g., molecules or atomic nuclei from first principles requires to solve the Schrödinger equation with high accuracy. The computing cost to find exact soluti... |
9cd6bedd597c2707 | 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... |
32f168148071bdb1 | söndag 16 oktober 2011
False-SB Violates the 2nd Law
To understand the difference between the two versions of Stefan-Boltzmann's radiation law (SB) under discussion, True-SB and False-SB, let us inspect the proof of SB from Planck's radiation law in its normalized form presented in Computational Blackbody Radiation:
... |
bb1520653d48c93e | Abraham Meets Abraham from a Parallel Universe
And he [Abraham] lifted up his eyes and looked, and, lo, three men stood over against him… (Gen. 18:2) On this blog, we often discuss a collapse of the wavefunction as the result of a measurement. This phenomenon is called by some physicists the “measurement problem.” ... |
cfea71b73ba440c0 | Agronomy and Horticulture Department
Date of this Version
Published in PHYSICAL REVIEW A 79, 023403 (2009). Copyright ©2009 The American Physical Society. Used by permission.
Three alternative forms of harmonic spectra, based on the dipole moment, dipole velocity, and dipole acceleration, are compared by a numer... |
318ead0c708b433e | Tuesday, November 27, 2012
An arguable misnomer in physics: the term “quantum mechanics”
Analog or digitaluninterrupted or pixilated, continuity or discontinuity, field or particle? These pairs of opposing adjectives and nouns often occur in texts and discussions about physical reality and theoretical modeling. The p... |
d21c9dfb4b65b4c4 | Quantum chemistry
From Wikipedia, the free encyclopedia
Jump to navigation Jump to search
Quantum chemistry, also called molecular quantum mechanics, is a branch of chemistry focused on the application of quantum mechanics to chemical systems. Understanding electronic structure and molecular dynamics using the Schröd... |
0f98477eeab1228c | Tuesday, August 19, 2014
Maldacena's bound on statistical significance
JM: Geometry and Quantum Mechanics,
Maldacena reminds us of the obvious and old observation that the spacetime inside the black hole interior (i.e. the lifetime and the Lebensraum of the poor infalling observers) is limited which inevitably seem... |
087a484f605eddac | onsdag 9 oktober 2013
Nobel Prize in Chemistry Awarded for Not Solving Schrödinger's Equation
Picture from presentation of Nobel Prize in Chemistry 2013: Multiscale Models
Quantum mechanics based on Schrödinger's equation as the core of modern physics, is presented as an almost perfect mathematical mod... |
bc00e4fb98b9598d | Advances in High Energy Physics
Advances in High Energy Physics / 2013 / Article
Special Issue
New Developments in Cosmology and Gravitation from Extended Theories of General Relativity
View this Special Issue
Research Article | Open Access
Volume 2013 |Article ID 214172 |
Paul S. Wesson, James M. Overduin, "Scal... |
2f7f2d32d8ccdb26 | Challenges to Comprehension Implied by the Logo
of Laetus in Praesens
Laetus in Praesens Alternative view of segmented documents via Kairos
19 April 2021 | Draft
Meta-pattern via Engendering and Navigating "Pantheons" of Belief?
Exploration of three-dimensional patterns inspired by mathematical experience of interre... |
6d2c72deeb538fd8 | High-performance and GPU computing
GPU cluster
To fully exploit modern computer architectures (such as GPUs) often requires purpose-built algorithms. To perform development and numerical simulation we maintain a local GPU cluster with 31 GPUs (more details for using the system can be found here, only accessible with ... |
4165bf1be07efb45 | Mathematical Physics
1708 Submissions
[16] viXra:1708.0445 [pdf] replaced on 2019-04-12 06:04:26
How Many Points Are there in a Line Segment? – a New Answer from Discrete-Cellular Space Viewpoint
Authors: Victor Christianto, Florentin Smarandache
Comments: 12 Pages. This paper has been published by Octogon Mathemat... |
b8ecdc3e49c24df8 | Search: schrödinger equation
7 results
Quantum Mechanics 7
Modeling Atoms, Molecules, and Crystals in One Dimension
eigenenergy, eigenstate, schrödinger equation, waves, spin, hemmer
Solving the time independent Schrödinger equation in one dimension using matrix diagonalisation for five different potentials.
... |
db5b737cd74e7567 | In quantum mechanics, the uncertainty principle (also known as Heisenberg's uncertainty principle) is any of a variety of mathematical inequalities[1] asserting a fundamental limit to the precision with which certain pairs of physical properties of a particle, known as complementary variables or canonically conjugate v... |
7a135afce42a30e3 | The Megaphragma mymaripenne is the smallest animal with eyes, brain, wings, muscles, guts and genitals.
If by some miracle it could be still shrinked, how much smaller could it get before it starts to become largely aware of quantum mechanical effects such as tunneling?
By shrinking I mean wasp being made of less a... |
6332bb42772b6c1e | Reactivity (chemistry)
From Wikipedia, the free encyclopedia
Jump to: navigation, search
Reactivity in chemistry refers to
• the chemical reactions of a single substance,
• the chemical reactions of two or more substances that interact with each other,
• the systematic study of sets of reactions of these two k... |
c132773fb0bd964b | Take the 2-minute tour ×
If we have a one dimensional system where the potential
$$V~=~\begin{cases}\infty & |x|\geq d, \\ a\delta(x) &|x|<d, \end{cases}$$
where $a,d >0$ are positive constants, what then is the corresponding classical case -- the approximate classical case when the quantum number is large/energy is... |
6e9b4de738677b93 | Take the 2-minute tour ×
In mathematical physics and other textbooks we find the Legendre polynomials are solutions of Legendre's differential equations. But I didn't understand where we encounter Legendre's differential equations (physical example). What is the basic physical concept behind the Legendre polynomials? ... |
58721124a91ced0a | Take the 2-minute tour ×
Consider Schrödinger's time-independent equation $$ -\frac{\hbar^2}{2m}\nabla^2\psi+V\psi=E\psi. $$ In typical examples, the potential $V(x)$ has discontinuities, called potential jumps.
Outside these discontinuities of the potential, the wave function is required to be twice differentiable i... |
23da45d2f2d292e3 | Testing Einstein?
There has recently been a flurry of media stories about experiments searching for gravitational radiation, usually with headlines about “testing Einstein’s theory”. In fact, these experiments are testing our ability to measure gravitational radiation, because there is already compelling proof that t... |
751a864d97e63073 | Теория бесконечности
и время
Russian Philosophical Society
The suggested Philosophical Interpretation of Quantum Mechanics is clear, heuristic and it does not contradict either classical logic or fundamental physical laws and principles.
1. The real physical space is by definition three-dimensional and certainly i... |
75b514d2c987d0f2 | Terms of Ontological Endearment
Mosaic of Reality
Material Witness
In chapter twelve of his On Physics and Philosophy Bernard d’Espagnat tackles three kinds of materialism: dialectical materialism (briefly), “scientific” materialism, and what he calls “neomaterialism.”
Ultimately… ultimate reality isn’t the same as ... |
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... |
3bde94da3f1ec660 | previous home next PDF
The Simple Harmonic Oscillator
Michael Fowler, University of Virginia
Einstein’s Solution of the Specific Heat Puzzle
The simple harmonic oscillator, a nonrelativistic particle in a potential ½Cx2, is a system with wide application in both classical and quantum physics. The simplest mod... |
8a528e6659334bef | Bra-ket notation
Bra-ket notation is a standard notation for describing quantum states in the theory of quantum mechanics composed of angle brackets (chevrons) and vertical bars. It can also be used to denote abstract vectors and linear functionals in pure mathematics. It is so called because the inner product (or dot... |
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Homework Help: Double Potential Well
1. Apr 24, 2010 #1
V(x) = [tex]\left\{\infty \textrm{ for } x<0[/tex]
[tex]\left\{0 \textrm{ for } 0<x<a[/tex]
[tex]\left\{V_0 \textrm{ for } a<x<a+2b[/tex]
[tex]\left\{0 \textrm{ for } a+2bx<2a+2b[/tex]
[tex]\left\{... |
c5f31c6c8cb0a06d | Is science sometimes in danger of getting tunnel vision? Recently published ebook author, Ian Miller, looks at other possible theories arising from data that we think we understand. Can looking problems in a different light give scientists a different perspective?
Do We Understand The Chemical Bond?
Following the Alt... |
291d3568c9d13bf8 | High Energy Particle Physics
Source-Free Electromagnetism's Canonical Fields Reveal the Free-Photon Schrödinger Equation
Authors: Steven Kenneth Kauffmann
Classical equations of motion that are first-order in time and conserve energy can only be quantized after their variables have been transformed to canonical one... |
45fae7f62938ae59 | The Role of Decoherence in Quantum Mechanics
Interference phenomena are a well-known and crucial aspect of quantum mechanics, famously exemplified by the two-slit experiment. There are situations, however, in which interference effects are artificially or spontaneously suppressed. The theory of decoherence is precise... |
93960259709259c1 | Friday, June 12, 2015
Where are we on the road to quantum gravity?
Damned if I know! But I got to ask some questions to Lee Smolin which he kindly replied to, and you can read his answers over at Starts with a Bang. If you’re a string theorist you don’t have to read it of course because we already know you’ll hate it... |
411448798fda9e8e | Split-step method
From Wikipedia, the free encyclopedia
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In numerical analysis, the split-step (Fourier) method is a pseudo-spectral numerical method used to solve nonlinear partial differential equations like the nonlinear Schrödinger equation. The name arises for two reasons. First, the m... |
62453561cc25c180 | Tuesday, February 28, 2017
'I am an Amateur of Velocipedes' (1941)
The first Surrealist manifestation in China Miéville's new book, "The Last Days of New Paris".
"I am an Amateur of Velocipedes" by Leonora Carrington
"Like the antiquated title with which it is inscribed, the fine hatching of I am an Amateur of Veloc... |
b1402c11f0ba4393 | Dismiss Notice
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What is time evolution?
1. Apr 27, 2007 #1
What is time evolution? Is it a term only applicabe to matter waves or does it apply to other waves as well?
2. jcsd
3. Apr 27, 2007 #2
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3456dff6226fd391 | Next Contents Previous
7.4. Generating a small cosmological constant from Inflationary particle production
A novel means of generating a small Lambda at the present epoch was suggested by Sahni & Habib (1998).
Massive scalar fields in curved spacetime satisfy the wave equation
Equation 85 (85)
where R is the Ricci... |
e910cee27253f6b0 | Tuesday, April 29, 2014
FQXi essay contest 2014: How Should Humanity Steer the Future?
This year’s essay contest of the Foundational Questions Institute “How Should Humanity Steer the Future?” broaches a question that is fundamental indeed, fundamental not for quantum gravity but for the future of mankind. I suspect ... |
76183c56d3c2dcfd | Citation for this page in APA citation style. Close
Mortimer Adler
Rogers Albritton
Alexander of Aphrodisias
Samuel Alexander
William Alston
Louise Antony
Thomas Aquinas
David Armstrong
Harald Atmanspacher
Robert Audi
Alexander Bain
Mark Balaguer
Jeffrey Barrett
William Belsham
Henri Bergson
George Berkeley... |
103deebcb00131e3 | Bose–Einstein condensate
From Wikipedia, the free encyclopedia
(Redirected from Bose-Einstein condensation)
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Schematic Bose–Einstein condensation versus temperature of the energy diagram
A Bose–Einstein condensate (BEC) is a state of matter (also called the fifth state of matter) w... |
054bc734b23a7650 | Spatial and internal control of atomic ensembles with radiofrequency and microwave driving
This weeks AMOPP seminar was given by Dr. German Sinuco-Leon from the University of Sussex on the topic of “Spatial and internal control of atomic ensembles with radiofrequency and microwave driving”. The abstract for this talk ... |
80d94d6a2dc6504e |
The supersymmetric quantum mechanical model based on higher-derivative supercharge operators possessing unbroken supersymmetry and discrete energies below the vacuum state energy is described. As an example harmonic oscillator potential is considered
Modern Physics Letters A, Vol. 11, No. 19 (1996) 1563-1567
Bor... |
04547803cada54a5 |
Wannier-Stark resonances in optical and semiconductor superlattices
Markus Glück\address[kl]FB Physik, Universität Kaiserslautern, D-67653 Kaiserslautern, Germany, Andrey R. Kolovsky\addressmark[kl]\addressL. V. Kirensky Institute of Physics, 660036 Krasnoyarsk, Russia, and Hans Jürgen Korsch\addressmark[kl]
In thi... |
36f5cae07b9df77b | Monday, March 8, 2010
Rogue Waves
Today I ran across an interesting essay on our changing understanding of scurvy. As often happens when you learn history better, the simple narratives turn out to be wrong. And you get strange things where as science progressed it discovered a good cure for scurvy, they lost the cure... |
cd87f099ed33ea50 | Monday, January 14, 2013
Anomalies, anomalies,...
Many interesting signals about new physics haved emerged during last week and all of could be signatures of the new physics predicted by TGD.
Cosmological principle questioned
One of the many hypes of the last year was that cosmological principle has been validated ... |
074c4b4f49c30b43 | sabato 9 novembre 2013
Quantum Mechanics: Collapse Theories.
Quantum mechanics, with its revolutionary implications, has posed innumerable problems to philosophers of science. In particular, it has suggested reconsidering basic concepts such as the existence of a world that is, at least to some extent, independent of... |
e33e7b7d47995253 | Showing posts from November, 2013
Team, Partner and Subject Teaching
In a previous post, "Science and Mathematics Education: What Is the Current Situation?" I mentioned the following: "I have a friend who grew up in Singapore and one major complaint I heard from this person regarding education in the United States is... |
9b923867c7ec06c1 | EPSRC logo
Details of Grant
EPSRC Reference: EP/J01690X/1
Title: Beyond Luttinger Liquids-spin-charge separation at high excitation energies
Principal Investigator: Ford, Professor CJB
Other Investigators:
Ritchie, Professor D
Researcher Co-Investigators:
Project Partners:
Department: Physics
Organisation: Universit... |
abdde77058dca28f | Causal Interpretation of the Quantum Harmonic Oscillator
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The harmonic oscillator is an important model in quantum theory that could be described by the Schrödinger equation: , () with . In this Demonstration a causal interpretation of ... |
65ebf57b08cb3fca | Science vs. Religion
For much of today’s world, science and religion are seen as opposing forces, mutually exclusive and entirely incompatible. Some of today’s scientists identify themselves as atheists or agnostics and appear to think that a belief in God signifies ignorance in a person. Likewise, some religious g... |
5e49af278ec014d3 | All Issues
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September 2013 , Volume 2 , Issue 3
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Carleman Estimates and null controllability of coupled degenerate systems
El Mustap... |
6b6f1e4e31e4754f | World Library
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Richard P. Feynman
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Subject: Leonhard Euler, Quantum electrodynamics, Lenz's law, 1963 in literature, Textbook, Sin-Itiro Tomonaga, ... |
226b332c8e75c2f0 | Monday, June 24, 2019
30 years from now, what will a next larger particle collider have taught us?
The year is 2049. CERN’s mega-project, the Future Circular Collider (FCC), has been in operation for 6 years. The following is the transcript of an interview with CERN’s director, Johanna Michilini (JM), conducted by Da... |
2d1c3a2da6151a17 | Tag Archives: hyperbolic sine
Imaginary Angles
You would have heard about imaginary numbers and most famous of them is i=\sqrt{-1}. I personally don’t like this name because all of mathematics is man/woman made, hence all mathematical objects are imaginary (there is no perfect circle in nature…) and lack physical me... |
7c17c6441c32bf47 | WKB Computations on Morse Potential
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Requires a Wolfram Notebook System
The semiclassical Wentzel–Kramers–Brillouin (WKB) method applied to one-dimensional problems with bound states often reduces to the Sommerfeld–Wilson quantization conditions, the cyclic phase-space integrals .... |
cf4e2a0faae04770 | I'm trying to write some software that I can use to determine, roughly, what the physical properties of a pure substance are. I know I could just use a database of the known properties of each element, but that doesn't do much for me when I go to create molecules and combine substances. A database that lists how each e... |
2b066b893bbe1d09 | A hydrogen atom is an atom of the chemical element hydrogen. The electrically neutral atom contains a single positively charged proton and a single negatively charged electron bound to the nucleus by the Coulomb force. Atomic hydrogen constitutes about 75% of the baryonic mass of the universe.[1]
Hydrogen atom, 1H
Hy... |
950a70e26c44133c | Polarization states as hidden variables?
This post explores the limits of the physical interpretation of the wavefunction we have been building up in previous posts. It does so by examining if it can be used to provide a hidden-variable theory for explaining quantum-mechanical interference. The hidden variable is the ... |
98f717783b015c8f | Itinerant Ferromagnetism in ultracold Fermi gases
Itinerant Ferromagnetism in ultracold Fermi gases
Itinerant ferromagnetism in cold Fermi gases with repulsive interactions is studied applying the Jastrow-Slater approximation generalized to finite polarization and temperature. For two components at zero temperature ... |
764c00d6adfc5529 | Working with Three-Dimensional Harmonic Oscillators - dummies
Working with Three-Dimensional Harmonic Oscillators
By Steven Holzner
In quantum physics, when you are working in one dimension, the general particle harmonic oscillator looks like the figure shown here, where the particle is under the influence of a rest... |
3b575236e77f637f | Take the 2-minute tour ×
Inspired by this question: Are these two quantum systems distinguishable? and discussion therein.
Given an ensemble of states, the randomness of a measurement outcome can be due to classical reasons (classical probability distribution of states in ensemble) and quantum reasons (an individual ... |
d74b25d9ea042d1c |
— 1. Dan Spielman —
Dan Spielman works in numerical analysis (and in particular, numerical linear algebra) and theoretical computer science. Here I want to talk about one of his key contributions, namely his pioneering work with Teng on smoothed analysis. This is about an idea as much as it is about a collection of ... |
b92d48bb6e9657a4 | Skip to content
The Secular Man’s Suicide Pact
I recently visited a place with a much larger Moslem population than my home town. That set me to thinking about things.
Leftist progress on diversity looks to be moving right along. I’m guessing they have a schedule for undoing the dispersion of Babel. We’ll see ho... |
3de27f2022adc483 | Take the 2-minute tour ×
In his book "Einstein's mistakes" H. C. Ohanian, the author, holds that Einstein delivered 7 proofs for $E=mc^2$ in his life that all were in some way incorrect. This despite the fact that correct proves had been published and mistakes in his proofs were sometimes pointed out to him.
The firs... |
1f2f2448ca176cc7 | Statistical Mechanics/The Foundations
< Statistical Mechanics
The goal of statistical mechanics is to bridge the gap that exists between the microscopic and the macroscopic world. Take for example the equation governing the behaviour of microscopic particles: the quantum mechanical Schrödinger equation. Based on thi... |
5edb99284fd1e720 | quantum mechanics
quantum mechanics, science dealing with the behaviour of matter and light on the atomic and subatomic scale. It attempts to describe and account for the properties of molecules and atoms and their constituents—electrons, protons, neutrons, and other more esoteric particles such as quarks and gluons. ... |
45f654ef9c428aca | Take the 2-minute tour ×
When tackling a physics problem, An Engineer will manipulate the axes/coordinate system where a Mathematicians and/or Physicists will use the original coordinate system and math. Why do Engineers think differently? I know its likely because that is how they are taught, but why are they taught ... |
2dade8c5e2548dc4 | Thursday, December 30, 2010
Physics First ?
The way it ought to be. Thanks, Tennessee.
Inverted curriculum makes physics first science in high school
CHATTANOOGA (AP) - Some educators are starting to turn the way they teach high school science upside down.
Rather than starting off in ninth and 10th grades with ... |
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