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9477cce0de523b80 | Chemical Sciences: A Manual for CSIR-UGC National Eligibility Test for Lectureship and JRF/Emission spectrum
From Wikibooks, open books for an open world
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The emission spectrum of a chemical element or chemical compound is the relative intensity of each frequency of electromagnetic radiatio... |
93033efe05ea2691 | Tag Archives: hidden variables
Can the quantum state be interpreted statistically?
A new preprint entitled The Quantum State Cannot be Interpreted Statistically by Pusey, Barrett and Rudolph (henceforth known as PBR) has been generating a significant amount of buzz in the last couple of days. Nature posted an article... |
2c1ec245c6235073 | Jan Vrbik
We show how a Monte Carlo procedure (based on random numbers) can generate a large sample of electron locations in any simple molecule. Based on this sampling, we can accurately estimate the molecule’s ground-state energy and other properties of interest. We demonstrate this using the LiH molecule.
Trial So... |
db76d5fcfa4cd410 | Relational quantum mechanics
From Wikipedia, the free encyclopedia
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This article is intended for those already familiar with quantum mechanics and its attendant interpretational difficulties. Readers who are new to the subject may first want to read the introduction to quantum mechanics.
Re... |
07194dc68f17f7e7 | Hydrogen atom
From Wikipedia, the free encyclopedia
(Redirected from Atomic hydrogen)
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This article is about the physics of the hydrogen atom. For a chemical description, see hydrogen. For hydrogen with neutrons, see isotopes of hydrogen.
Hydrogen atom
Hydrogen 1.svg
Hydrogen atom
Name, ... |
f27dfa4bb06f8b3a | Top banner
Bonding to Hydrogen
The simplest molecule, made for connection
Roald Hoffmann
My first encounter with H2 was typical for a boy in the age of chemistry sets that had some zing to them. My set, made by A. C. Gilbert Co., contained some powdered zinc. It had no acids, but it taught you to generate them fro... |
d412c571ade77768 | 1) You may use almost everything for non-commercial and educational use. The chemical symbol for Hydrogen is H. The atom consist of a small but massive nucleus surrounded by a cloud of rapidly moving electrons. 0 The chemical symbol for Plutonium is Pu. Melting Point of quantum mechanics by Duru and Kleine... |
2bf6bed13cb9d687 | Here's a simple proof, using nothing but the definitions. ( So, the set E is the union of the zero vector with the set of all eigenvectors of A associated with λ, and E equals the nullspace of (A − λI). Admissible solutions are then a linear combination of solutions to the generalized eigenvalue problem, where This mat... |
07aefc8f91674d76 |
Do We Understand The Chemical Bond?
Following the Alternative interpretations theme, I shall write a series of posts about the chemical bond. As to why, and I hope to suggest that there is somewhat more to the chemical bond than we now consider. I suspect the chemical bond is something almost all chemists "know" wha... |
1fea052e0c76d630 | Quantum Mechanics
Quantum mechanics is the the foundation of all the quantum sciences, most notably QFT.
Dirac-von Neumann axioms
The space of states is a complex (countably infinite) Hilbert space $\mathbb{H}$. The following axioms apply to the qm system:
1. The observables are defined as self-adjoint operators... |
9ca7ab94c95bca11 | Diagonalizable Matrix
Get Diagonalizable Matrix essential facts below. View Videos or join the Diagonalizable Matrix discussion. Add Diagonalizable Matrix to your PopFlock.com topic list for future reference or share this resource on social media.
Diagonalizable Matrix
In linear algebra, a square matrix is called dia... |
187034b0d15fbe93 | Disclaimer: I am not a chemist by any means, and I only have knowledge limited to what I learned in my university's Chemistry III course. Basic understanding of everything up to valence electron orbitals.
Why is there no set of rules to follow which can predict the product of chemical reactions? To me, it seems that e... |
5c370d5217952c39 | What means “Quantum”?
Alright, so you have made up your mind to learn about quantum mechanics. Maybe you have already skimmed through one of the textbooks, learned about the existence of Schrödinger equation or even determined the energy spectrum of your very first quantum system. But if you still ask yourself: What e... |
0d8a5de6cbe40b55 |
Nucleon spin structure studies at Jefferson Lab
A. Deur Thomas Jefferson National Accelerator Facility
September 3, 2020
We report on the low and moderate nucleon spin structure measurements done at Jefferson Lab, examining specifically the inclusive program. We discuss what the data teach us about quark confinemen... |
5891477803b924ee | The Materials Virtual Lab (MAVRL) is an interdisciplinary group of scientists who aims to bring forth a data-driven future for materials science. The figure below shows the five pillars of the MAVRL.
• Science: We integrate first principles calculations, i.e., calculations based on solving the Schrödinger equation, ... |
d8831a8e699eab25 | Facebook Twitter Instagram YouTube
Dense Atomic Vapors
Steve Cundiff studies the behavior of dense atomic vapors at temperatures ranging from 300–800 °C. In his group’s initial experiments, researchers directed two or three excitation laser pulses into dense vapors of potassium atoms (39K). The group used a reflectio... |
7dfe40468462631e | Večja pisava | Manjša pisava
Iskanje po katalogu digitalne knjižnice Pomoč
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Electrodynamics of black holes in STU supergravity
Mirjam Cvetič, G. W. Gibbons, Ch... |
9dd00bbfc72e076a | A few quick announcements
105 Responses to “A few quick announcements”
1. Ashley Says:
Thanks for making your very nice survey talk available. One tiny point: you mention in the “Quantum Machine Learning Algorithms” slide that there could be fast randomised algorithms for the same problems. In the case of ... |
c2a9625fcd533066 | Energy states: bound and scattering states
Required math: calculus
Required physics: energy, quantum mechanics basics
Reference: Griffiths, David J. (2005), Introduction to Quantum Mechanics, 2nd Edition; Pearson Education – Sec. 2.5.1.
In classical physics, a particle’s energy consists of kinetic and potential ene... |
5b609b469b557e9c | Heat equation
From Example Problems
Jump to: navigation, search
The heat equation is an important partial differential equation which describes the variation of temperature in a given region over time. In the special case of heat propagation in an isotropic and homogeneous medium in the 3-dimensional space, this equa... |
2e0c0c56b018cfb9 | NLSEmagic
NLSEmagic: Nonlinear Schrödinger Equation Multidimensional Matlab-based GPU-accelerated Integrators using Compact high-order schemes
Please donate to support NLSEmagic:
Locations of visitors to this page
NLSEmagic is a package of C and MATLAB script codes which simulate the nonlinear Schrödinger equation ... |
bc50291f86f1501b | KdV '95 - 100 Years Korteweg - De Vries Equation
by Henk Nieland
Hundred years ago an article appeared in the well-known British journal Philosophical Magazine, written by the Dutch mathematicians Korteweg and De Vries. It described the behaviour of certain types of waves occurring in a shallow canal in terms of a no... |
e34dee24418fd9de | Pieter W. Claeys
Quantum eigenstates from classical Gibbs distributions
27 July 2020
Some interesting work Anatoli Polkovnikov is now on arXiv and submitted to SciPost Physics! In our new work on Quantum eigenstates from classical Gibbs distributions we investigate what happens when we try to express classical mec... |
b26ae11c8a3de9c0 | Courageous Collaborations: Difficult dialogue moves us forward
Sponsored by the Charles Koch Foundation.
Are you courageous enough to collaborate with your enemies?
• Bishop Omar Jahwar has worked beside all kinds of unlikely allies, from Aryan Brotherhood gang leaders to former Speaker of the House Paul Ryan.
... |
c1c8363950d114d0 | Logic, Theism, and Boltzmann Brains: On Cognitively Unstable Beliefs
First case
Should Joe believe in propositional logic or intuitionism?
Second case
Should Karl be a theist or an atheist?
Third case
What should Tommy believe?
— — —
How will quantum computing impact the world?
No, really, what a... |
47a7dba6ae9eef3e | Skip to main content
Weakly bound water structure, bond valence saturation and water dynamics at the goethite (100) surface/aqueous interface: ab initio dynamical simulations
Many important geochemical and biogeochemical reactions occur in the mineral/formation water interface of the highly abundant mineral, goethi... |
cf756d6aec939128 | Friday, October 05, 2018
New indications for the third generation weak bosons
There are indications (see this) that electron neutrinos appear observed by ICECUBE more often than other neutrinos. In particular, the seems to be a deficit of τ neutrinos. The results are very preliminary. In any case, there seems to be a... |
55b57959d552ee5e | Non-Abelian Fluid Dynamics in Lagrangian Formulation
B. Bistrovic R. Jackiw Center for Theoretical Physics, MIT, Cambridge, MA 02139-4307, USA H. Li V. P. Nair Physics Department, City College of the CUNY New York, NY 10031, USA S.-Y. Pi Physics Department, Boston University, Boston, MA 02215, USA
Non-Abe... |
ac1bee83cdf05676 | Internal vibrations of a vector soliton in the coupled nonlinear Schrödinger equations
Boris A. Malomed, Richard S. Tasgal
Research output: Contribution to journalArticlepeer-review
Static and dynamic properties of a two-component soliton are studied via the variational approximation (VA), consideration of the radi... |
fa245eb8cbe7fd4d | Motivated by the prospects of the potential particle at high-luminosity heavy-flavor experiments, we studied the weak decays, where = , , . The nonfactorizable contributions to hadronic matrix elements are taken into consideration with the QCDF approach. It is found that the CKM-favored decay has branching ratio of , w... |
45ca456fdac2932e | Energy level
A quantum mechanical system or particle that is bound—that is, confined spatially—can only take on certain discrete values of energy, called energy levels. This contrasts with classical particles, which can have any amount of energy. The term is commonly used for the energy levels of the electrons in ato... |
b62b26453f904a9f | How can life have meaning in a mechanical universe?
Discussion in 'General Philosophy' started by Magical Realist, Mar 2, 2013.
1. Mazulu Banned Banned
Stop trying to be slippery and answer the question. In your opinion, does the wave-function exist as part of reality in nature? All you have told me so far is,... |
34cb7bdd5ddade8a | דלג לתוכן (מקש קיצור 's')
Logo of Technion
Logo of CS Department
Pixel Club Seminar: Image Processing using Diffusion with Schrödinger's Potential
event speaker icon
אורי הוניגמן, הפקולטה להנדסת חשמל, הטכניון
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יום שלישי, 29.1.2008, 11:30
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חדר 1061, בניין מאייר, הפקולטה להנדסת חשמל
Th... |
8fcd221ddb435b5a | Physics:Molecular geometry
From HandWiki
Short description: Study of the 3D shapes of molecules
Geometry of the water molecule with values for O-H bond length and for H-O-H bond angle between two bonds
Molecular geometry is the three-dimensional arrangement of the atoms that constitute a molecule. It includes the gen... |
b6827f8add01eb05 | Calling all Quantum Theorists and Cosmologists who can be patient with innumerate humanists and theists…
Hi, gentle readers. I’m moving another comment thread up onto my front page where it belongs. Please jump into the conversation — just as long as you can be very respectful to science, and very respectful to both h... |
ad6af4fa6e675934 | Stanford Encyclopedia of Philosophy
The Role of Decoherence in Quantum Mechanics
First published Mon Nov 3, 2003; substantive revision Wed Nov 17, 2004
Interference phenomena are a well-known and crucial feature of quantum mechanics, the two-slit experiment providing a standard example. There are situations, however... |
6dbb4b5463040a05 | Table of contents
17 September 2021, Volume 30 Issue 10 Previous issue Next issue
TOPICAL REVIEW—Topological 2D materials
Two-dimensional topological semimetals
Xiaolong Feng(冯晓龙), Jiaojiao Zhu(朱娇娇), Weikang Wu(吴维康), and Shengyuan A. Yang(杨声远)
Chin. Phys. B, 2021, 30 (10): 107304. DOI: 10.1088... |
e902cc13eff4e5a3 | 4 The fuzziness relation
In the same year that Schrödinger published the equation which now bears his name, the non-relativistic theory was completed by Max Born’s insight that the solutions of the Schrödinger equation are tools for calculating probabilities of measurement outcomes. Specifically, if ψ is associated wi... |
37039ec1d6fd0afc | I was reading recently how the compatibility of quantum mechanics with special relativity was initially a problem for physicists and then Dirac succeeded in formulating a relativistic, quantum-mechanical theory through the Dirac equation.
From my understanding, the whole idea of relativity is to keep the speed of ligh... |
2a3aefcbe8b33b3a | Original Link : https://www.nytimes.com/2018/05/08/books/review/adam-becker-what-is-real.html
The Unfinished Quest for the Meaning of Quantum Physics
Are atoms real? Of course they are. Everybody believes in atoms, even people who don’t believe in evolution or climate change. If we didn’t have atoms, how could we ha... |
a9775c5f72ce6a41 | Fractional calculus
From formulasearchengine
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{{#invoke: Sidebar | collapsible }}
"Fractional derivative" redirects here.
Fractional calculus is a branch of mathematical analysis that studies the possibility of taking real number powers or complex number powers of the differentiatio... |
e182f658811ced92 | While solving the quantum mechanical case of potential barrier meaning - $$\text{E} <\text{V} $$ The transmission coefficient is nonzero. My problem is what is happening with particle motion
• Has particle really crossed the barrier in measurement term or it is just error in measurement at that scale which reflect a... |
b22f4b6ca90f7f92 | Physics and Our Universe: How It All Works
Course No. 1280
Professor Richard Wolfson, Ph.D.
Middlebury College
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Course No. 1280
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What Will You Learn?
• Understand the full sweep of physics, including... |
b1880caef05a65d0 | Seminario Conjunto - A. Abedi - E. Khosravi
En el Aula Seminario, 2do piso, Pab. I,
Lunes 18/12, 14hs:
1. Correlated electron-nuclear dynamics
Universidad del Pais Vasco
2. The exact potential driving the electron dynamics in enhanced ionization of H2+- isotopes effec... |
45b04051663e2c78 |
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Help solving the TISE for the hydrogen atom
1. Dec 27, 2012 #1
Hi guys the question is
"Write down the time independent Schrödinger equation for the hydrogen atom,
and show that the wave function
Ψ(r,θ ,φ ) = Ae(−r / aB)
is a solution... |
cdc6c1f8033308c4 | Wave function
From S23Wiki
Jump to: navigation, search
Schrödinger developed what is known as Schrödinger equation. This equation states that there is a wave associated with any particle (like the electron), and it is called the wavefunction and it is spread out to fill the whole universe.
What does all of that mean... |
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Casimir effect vs vdW forces
1. Mar 17, 2009 #1
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Science Advisor
As I understand it, the Casimir effect is due to the quantized field, and can only be described with QED.
Also, van der Waals forces are supposedly a result of the Casimir effect.... |
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Abstract Schrödinger's equation in QFT
1. Jun 19, 2008 #1
Hi folks!
A QFT question: you start from the lagrangian, compute the hamiltonian via Legendre transform and promote the the fields to operators with canonical equal-time commutation relations. Now you can co... |
085c7349f0ee3b78 | All what you ever wanted to know about the photon wavefunction…
Post scriptum note added on 11 July 2016: This is one of the more speculative posts which led to my e-publication analyzing the wavefunction as an energy propagation. With the benefit of hindsight, I would recommend you to immediately read the more recent... |
9d246e304a258545 | On Thursdays at noon Yhouse holds a lunch meeting at the Institute of Advanced Study, in Princeton. The format is a 15 minute informal talk by a speaker followed by a longer open-ended discussion among the participants, triggered by, but not necessarily confined to, the topic of the talk. In order to share I am postin... |
ec0b49026a569f41 | Saturday, July 28, 2012
The Past and Imagined Future
We look up into the stars and darkness of the night sky and see only the past, which are the sounds and images of many possible futures. In fact, all of what we ever hear or see is a memory of our past and in the sky we see a sun as it was eight minutes ago, a "nea... |
f7ec8a9b64abbaba | Math for Everyone shares glimpses of soliton theory
Author: Shadia Ajam
Alex Kasmen, Math for Everyone speaker
This past Thursday (Nov. 7) at the Math for Everyone lecture series, Alex Kasman from the Department of Mathematics at the College of Charleston gave a presentation about soliton theory, which combines alge... |
dcbeda1bb4ca9b7a | måndag 23 januari 2017
Quantum Mechanics as Classical Continuum Physics and Not Particle Mechanics
Planck (with eyes shut) presents Einstein with the Max Planck medal of the German Physical Society, 28 June 1929, in Berlin, as the highest award of the Deutsche Physikalische Gesellschaft, for Einstein's idea of light ... |
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Why does dbb need to assume pilot wave?
1. May 17, 2012 #1
The De Broglie–Bohm (DBB) interpretation conjunctures that:
a) the wavefunction travels through both slits, but each particle has a well-defined trajectory and passes through exactly one of the slits
b... |
6fdea6501764b39b |
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Alternatives to Quantum Mechanics?
1. May 28, 2010 #1
I am curious what are other theories of physics at very small scales besides quantum mechanics? Especially those that aren't probabilistic and undeterminitive, (if there are any at all!)
2. jcsd... |
7b96d1a7e6e87bb6 | Cold Fusion: A Study in Scientific Controversy
Dongwoo Chung
March 14, 2015
Submitted as coursework for PH241, Stanford University, Winter 2015
Fig. 1: A deuterium gas-based cold fusion cell used circa 2007 by SRI International, following in the footsteps of Fleischmann and Pons. (Source: Wikimedia Commons)
The Un... |
2357f5f3e2c94286 | Identification of rogue waves from scattering transform analysis of periodized waveforms
Stéphane Randoux
Université des Sciences et Technologies de Lille 1
The nonlinear Schrödinger equation (NLSE) stands out as the dispersive nonlinear partial differential equation that plays prominent role in the modeling and unde... |
1298fd7eed5c1039 | Bohmian Indeterminism
David Bohm
David Bohm (Photo Credit)
Bohmian mechanics is not just an “interpretation” of quantum mechanics. It is a radical revision. In this note, I’d like to point out one reason that it’s an implausible revision: Bohmian mechanics is rampantly indeterministic in a way that quantum mechanics... |
38329c99d683ab31 | You are currently browsing the tag archive for the ‘time-frequency analysis’ tag.
A recurring theme in mathematics is that of duality: a mathematical object {X} can either be described internally (or in physical space, or locally), by describing what {X} physically consists of (or what kind of maps exist into {X}), or... |
53e3204e8dbbeda2 | Take the 2-minute tour ×
The slide called "QUANTA" here says that "One Quantum has a definite mass" and the picture shows a wave. So, What is meant by the mass of a wave?
share|improve this question
3 Answers 3
First of all, the quanta in the slide are not "waves", they are "wave packets".
Secondly one has to dist... |
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• by Remus Shepherd ( 32833 ) <> on Friday April 04, 2014 @12:30PM (#46661861) Homepage
Hmn. This sounds as if they a... |
69c664bb133d64bf | Energy states: bound and scattering states
Required math: calculus
Required physics: energy, quantum mechanics basics
Reference: Griffiths, David J. (2005), Introduction to Quantum Mechanics, 2nd Edition; Pearson Education – Sec. 2.5.1.
In classical physics, a particle’s energy consists of kinetic and potential ene... |
f267a374bd3e8b5a | Talk:Wave–particle duality
From Wikipedia, the free encyclopedia
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WikiProject Physics (Rated B-class, High-importance)
Peer review Wave–particle duality has had a peer review which is now archived. It may contain ideas you can use to improve this article.
Wikipedia CD Selection
WikiProject i... |
d99198c312034337 | Condensed matter physics
From Wikipedia, the free encyclopedia
Jump to: navigation, search
Condensed matter physics is a branch of physics that deals with the physical properties of condensed phases of matter.[1] Condensed matter physicists seek to understand the behavior of these phases by using physical laws. In pa... |
9d456b3f36aeae1a | Sign up ×
In one dimension, we can define the lattice $ f(x+a)=f(x) $ so the lattice is translation invariant.
But, can we give a lattice so $ f(p^{k}x)=f(x) $ for ALL the primes $ P= 2,3,5,7,11,....$ and prime powers $ k \in Z $ so if we increase the 'size' of the lattice, the system remains invariant? Is this possi... |
f912aa42633467bb | Sign up ×
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 first proof e.g. co... |
fab2c8a25d0c025e | Time evolution of the density operator next up previous
Next: The quantum equilibrium ensembles Up: Principles of quantum statistical Previous: The density matrix and
Time evolution of the density operator
The time evolution of the operator tex2html_wrap_inline509 can be predicted directly from the Schrödinger equati... |
d7c91921ba2dbb4e | Symmetry, Integrability and Geometry: Methods and Applications (SIGMA)
SIGMA 7 (2011), 113, 11 pages arXiv:1112.2333
Breaking Pseudo-Rotational Symmetry through H+2 Metric Deformation in the Eckart Potential Problem
Nehemias Leija-Martinez a, David Edwin Alvarez-Castillo b and Mariana Kirchbach a
a) Institute o... |
18aeb93797124f9a | zbMATH — the first resource for mathematics
a & b logic and
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e83ad8fd7007244d | Nonlocal Seminar - Theory Lunch-Club -COST Action
Nonlocal Seminar
Ever since 2004, our group with the group at the RCQI Bratislava and (since 2010) with the Masaryk University Brno have been meeting three times each year in order to keep each other (as well as visitors) informed about our scientific achievements. Ta... |
4495aebca755b57d |
Caltech press release.
Harvard-Smithsonian Center for Astrophysics press release.
BICEP/Keck homepage with the papers and other materials.
Carroll's initial reaction.
Very interesting reaction from a particle physicist at Résonaances.
Reaction from Liam McAllister guesting on Lubos Motl's blog.
Reaction f... |
49ac4c55ad6c1b21 | Sunday, October 30, 2005
Catching a tiger by the tail: Patents could destroy the software business
The software business is working itself into a situation where its economics are built on software patents. This will be catastrophic for investors unless such patents are constrained to be of high quality, limited scop... |
a21db2132d2fd000 | Welcome to Matt Kalinski'sHomepage
Matt Kalinski's homepage
Homepage of world's smallest electric motor (quantum motor) and Quantum Electrical Engineering
In my PhD thesis I designed the smallest electric motor one can build
Photons seem to be a spin-1 particles with the Hamiltonian being the projection of their spi... |
0694729e92f947ab | Take the 2-minute tour ×
There appears to be no way to sort Google Scholar search results by any field. If somebody has figured out a way to do so, please share.
share|improve this question
migrated from physics.stackexchange.com Nov 1 '11 at 2:55
Unfortunately, Google also doesn't provide API for the scholar sear... |
cb61752c7c9c51c2 | Take the 2-minute tour ×
There is an well-known infamous DICTUM:
-Second Quantization is a functor, First Quantization is a mystery-.
Indeed, second quantization is the "Fock functor", which builds the Fock space in a canonical way out of the Hilbert space of a single particle.
But, what about first quantization? T... |
b93f35f973c46f6b | Everything You Ever Wanted To Know About Pi, Part 2: How Pi Connects To Quantum Mechanics
I had planned for part 2 of this series about π to be about the classical area formula for the circle, but then something new came up. Well, by new I mean a new proof of something old, and it's a surprising proof using physics. I... |
7157a132472962ba | Monday, April 24, 2006
A debate about staggered fermions
Recently, there have been a number of short papers on the arXiv that discussed some potential problems that the usual procedure of taking the fourth root of the staggered fermion determinant to obtain a single-flavour theory might bring with it.
As a little re... |
26acc899e567b174 | Infinite Dimensional Rough Dynamics
• Massimiliano GubinelliEmail author
Conference paper
Part of the Abel Symposia book series (ABEL, volume 13)
We review recent results about the analysis of controlled or stochastic differential systems via local expansions in the time variable. This point of view has its origin... |
1785611698c94ca6 | Skip to main content
Chemistry LibreTexts
Postulates of Quantum Mechanics
• Page ID
• We now summarize the postulates of Quantum Mechanics that have been introduced. The application of these postulates will be illustrated in subsequent chapters.
Postulate 1
The properties of a quantum mechanical system ... |
e85d5e0afbf820c2 | BIP-11805 Introduction Quantum Mechanics
Credits 5.00
Teaching methodContact hours
Course coordinator(s)ir. FJ Vergeldt
Lecturer(s)ir. FJ Vergeldt
dr. E Wientjes
Examiner(s)ir. FJ Vergeldt
Language of instruction:
Assumed knowledge on:
Physics MLS (BIP-10303)
Continuation courses:
New course Atomic and Molecul... |
5e804bde6009b3a4 | In Griffith's QM book, he introduces scattering matrices as an end-of-the-chapter Problem 2.52.
For a Dirac-Delta potential $V(x) = \alpha \delta (x - x_0)$, I've derived the scattering matrix and observed that it is unitary $S^{-1} = S^{\dagger}$.
I'm trying to explain why this is intuitively, but I don't really hav... |
4a152051c25519c3 | Skip to main content
Chemistry LibreTexts
5: Classical Wave Equations and Solutions (Lecture)
• Page ID
• Recap of Lecture 4
Last lecture addressed two important aspects: The Bohr atom and the Heisenberg Uncertainty Principle. The Bohr atom is introduced because is was the first successful description of a q... |
1cf28fd24409429c | QUANTUM THEORY (QT). Basic elements
eJournal: uffmm.org, ISSN 2567-6458, 2.January 2019
Email: info@uffmm.org
Author: Gerd Doeben-Henisch
This is a continuation from the post WHY QT FOR AAI? explaining the motivation why to look to quantum theory (QT) in the case of the AAI paradigm. After approaching QT from a phil... |
d1d437d5bbd8f48d | If we consider two independent harmonic oscillators (identical too a two dimensional harmonic oscillator), the hamilton operator is
$$ H = \frac{p_1^2}{2m_1}+\frac{1}{2}m_1\omega_1^2x_1^2 + \frac{p_2^2}{2m_2}+\frac{1}{2}m_2\omega_2^2x_2^2 = H_1(x_1)+H_2(x_2) $$
and the solution of the Schrödinger equation can be writ... |
80255cb9f8de2af1 | PHYSRI Physics Research International 2090-2239 2090-2220 Hindawi Publishing Corporation 10.1155/2015/651361 651361 Research Article Nuclear Polymer Explains the Stability, Instability, and Nonexistence of Nuclides Pons Dirk J. 1 Pons Arion D. 2 Pons Aiden J. 3 Reshak Ali Hussain 1 Department of Mechanical Engineering ... |
005ef04dc1436f42 | X. The Good, the Bad and the Dual – Further Explorations of the 1st/3rd Person Duality
Despite that we have said quite a lot about the origin of the 1st person perspective, memory, the mind’s eye, free will, and the nature of life itself, we have not said anything about why certain experiences feel pleasant (good) and... |
e431ecba9ce69b63 | A wave just before breaking at Manhattan Beach, California.
A wave is a disturbance that propagates through space in a regular pattern, often involving the transfer of energy. When thinking about waves, a person tends to recall ocean waves or ripples on a pond. Scientists have found that sound and light (electromagnet... |
384e8948d7a83a76 | I am trying to learn Quantum mechanics from MIT OCW Videos about quantum mechanics. I have reached the 5th lecture. Please help me in understanding this:
In the middle (At 32:08), the professor wrote that the $$\displaystyle\text{Energy Operator}={\hat p^2\over2m}+V(\hat x).$$
1. From where do we get this equation... |
f5e8844ee20fca48 | Wave function collapse
From Wikipedia, the free encyclopedia
(Redirected from Wavefunction collapse)
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In quantum mechanics, wave function collapse is said to occur when a wave function—initially in a superposition of several eigenstates—appears to reduce to a single eigenstate (by "observ... |
59d325d779921758 | Navigate to course home page
Solving the Energy Eigenvalue Equation for the Finite Well
Keywords: Quantum Mechanics, Finite Well, Middle Division, Eigenstates, Small Group Activity
Highlights of the activity
1. This small group activity is designed to help upper-division undergraduate students understand solutio... |
b6a264dac91a3f96 | Amazing Science
776.0K views | +83 today
Scooped by Dr. Stefan Gruenwald
onto Amazing Science!
New method reveals that single protein interaction is key to embryonic stem cell differentiation
New method reveals that single protein interaction is key to embryonic stem cell differentiation | Amazing Science |
Research... |
bce833c73b09736f | 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... |
de832b64b0b9cbfe | Erwin Schrodinger Quote
Erwin Schrodinger
Picture Source: Wikimedia Commons
Erwin SchrodingerShare on Facebook
Born: August 12, 1887
Died: January 4, 1961 (aged 73)
Nationality: Austrian
Occupation: Scientist
Bio: Erwin Rudolf Josef Alexander Schrödinger, was an Austrian who as a physicist became one of the found... |
d98805d8a3fe3def | Old quantum theory
From Wikipedia, the free encyclopedia
(Redirected from Bohr–Sommerfeld quantization)
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The old quantum theory is a collection of results from the years 1900–1925 which predate modern quantum mechanics. The theory was never complete or self-consistent, but was a set of he... |
acd9c5fb93df6bda | March 20, 2006
Computational Chemistry advance: 100 times more accurate
James Sims of NIST and Stanley Hagstrom of IU announced a new high-precision calculation of the energy required to pull apart the two atoms in a hydrogen molecule (H2). Accurate to 1 part in 100 billion, these are the most accurate energy values ... |
841ed6b7c803c4a0 | Entropy Entropy 1099-4300 MDPI 10.3390/e16063434 entropy-16-03434 Article Some Trends in Quantum Thermodynamics von SpakovskyMichael R.1* GemmerJochen2 Mechanical Engineering Department, Virginia Tech, Blacksburg, VA 24061, USA Physics Department, University of Osnabrueck, Barbarastrasse 7, 49069 Osnabrueck, Germany; E... |
c75e99f4ba77f68b | Quantum mechanics
2007 Schools Wikipedia Selection. Related subjects: General Physics
Fig. 1: The wavefunctions of an electron in a hydrogen atom possessing definite energy (increasing downward: n=1,2,3,...) and angular momentum (increasing across: s, p, d,...). Brighter areas correspond to higher probability density... |
3f6aa2f0e3f07ba5 | Daniel and Jorge Explain the Universe
Daniel and Jorge Explain the Universe
via Podcasts
Excellent Podcast!!!
Daniel and Jorge are a great duo. Very engaging and never slow. I stumbled on their podcast and can’t stop listening.
Best podcast
Favorite podcast out there. If the idea of knowing more about the innate nature... |
4b3ab6f38fe20112 |
15 Answers 15
There are several reasons for using the Hamiltonian formalism:
1. Statistical physics. The standard thermal states weight of pure states is given according to
2. Geometrical prettiness. Hamilton's equations say that flowing in time is equivalent to flowing along a vector field on phase spa... |
67f9ce469e066118 | Thursday, September 20, 2018
Mermin defends Copenhagen Interpretation
N. David Mermin has written many popular essays explaining quantum mechanics, and now he summarizes his views on how to interpret the theory in Making better sense of quantum mechanics.
He prefers something called QBism, but nearly everything he s... |
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