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Response to Richard
Well, thanks for the reply and it’s nice to know you too and to have cyber met you. You seem to be on the ball with your questions as an “armchair scientist” with the brightness of your bulb.
Thoughts could travel faster using entanglement, as I wish words would express those thoughts just as well... | https://aninfinitetimeinspace.wordpress.com/2017/05/23/response-to-richard/ | <urn:uuid:681b4cb5-59a2-48ec-9c82-fc26f6a74f3f> | en | 0.948173 | 0.159758 |
Conical Quantum Dot
Application ID: 723
Quantum dots are nano- or microscale devices created by confining free electrons in a 3D semiconducting matrix. Those tiny islands or droplets of confined “free electrons” (those with no potential energy) present many interesting electronic properties. They are of potential imp... | https://www.comsol.dk/model/conical-quantum-dot-723 | <urn:uuid:84b88029-e5a0-4473-9833-42ea64f631f3> | en | 0.877218 | 0.046472 |
Philosophy Lexicon of Arguments
Author Item Excerpt Meta data
Books on Amazon
I 74
Cause/Causality/Empiricism/VsCauses - Russell: the law of gravity is given in equations - there are no "causes" and "effects" here. - Equations/Cartwright: are today's generalizations. - They are the heart of science.
I 75
Explanations... | https://www.philosophy-science-humanities-controversies.com/listview-details.php?id=278955&a=$a&first_name=N.&author=Cartwright&concept=Causes | <urn:uuid:42c39f84-d0f7-4005-ac22-c32db184fca7> | en | 0.822661 | 0.157858 |
IN-DEPTH | Logic takes on the physics paradoxes: Review essay on The Spacetime Model: A Theory of Everything by Jacky Jerôme
The history of science is the record of the achievements of individuals who…met with indifference or even open hostility on the part of their contemporaries…A new idea is precisely an idea that... | http://www.konradsgraf.com/blog1/2012/8/10/in-depth-logic-takes-on-the-physics-paradoxes-review-essay-o.html | <urn:uuid:171d9b5b-4f4b-4a90-af1e-1291527cbd80> | en | 0.943101 | 0.104835 |
The Essence of Quantum Mechanics
In the 20th century, science has unveiled an incredible world that even the most daring science-fiction writers could have never even thought of. This world was so surprising that it completely puzzled the most brilliant minds of the century, from Albert Einstein to Richard Feynman, fr... | http://www.science4all.org/article/quantum-mechanics/ | <urn:uuid:46508d4b-b315-4427-ab6a-b758f126e565> | en | 0.947921 | 0.218225 |
Sunday, May 24, 2009
One of those projects that took 30+ hours...
The song "Sax Rohmer #1" is a good song. Its music video is just flat-out impressive. So, I decided to try to copy it into a closet. The video, which (unless you're Ari and hate YouTube) you should watch first is here.
The next four pictures should be... | http://katherinecrocker.blogspot.com/2009/05/ | <urn:uuid:ca08fb65-3d24-4fab-940f-c0d6a4101c86> | en | 0.980273 | 0.041838 |
söndag 29 maj 2011
Mathematical Secret of Flight 1
Computed Lift and Drag of a 3d NACA0012 wing for different angles of attack by Unicorn (blue) compared with different experiments.
My talk on June 15 at Svenska Mekanikdagar 2011, is now available for preview as
describing joint work with Johan Hoffman and Johan Jan... | http://claesjohnson.blogspot.com/2011/05/ | <urn:uuid:098799c6-8a50-41d9-b199-37a3c4547cb0> | en | 0.854981 | 0.132029 |
Sturm–Liouville problem, Sturm-Liouville problemor eigenvalue problemin mathematics, the determination of the set of values of the constants in the solution of a given second-order differential equation that make the solution satisfy not only the differential equation but also a set of specified auxiliary conditions us... | http://media-2.web.britannica.com/eb-diffs/154/570154-8909-70052.html | <urn:uuid:4584441c-28a8-402e-8b85-f73fade9da7f> | en | 0.890567 | 0.83274 |
Stationary state
From Wikipedia, the free encyclopedia
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For the concept used in classical economics, see Steady-state economy § The stationary state in classical economics.
A stationary state is a pure[citation needed] quantum state with all observable... | https://en.wikipedia.org/wiki/Energy_eigenstates | <urn:uuid:cafd51c5-de05-4c3c-b814-10dcdd1eb12d> | en | 0.893104 | 0.912259 |
Ask the Alchemist #26
What factors affect refining time for chocolate, and what are some different ways to tell if it is done? Are there ways to speed it up or extend it if needed?All good, common questions that have pretty straightforward, albeit, somewhat less than perfectly helpful answers most people want. Forewar... | http://chocolatealchemy.com/blog/2013/03/06/ask-the-alchemist-26 | <urn:uuid:40d88f6c-1c6f-41af-9ba8-e9dcd02bb4f6> | en | 0.949719 | 0.46035 |
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Lewis Theory
Most chemistry is taught in terms of Lewis theory
Most chemistry is learned in terms of Lewis theory
Most chemistry understood in terms of Lewis theory
Most chemists think in terms of Lewis theory most of t... | http://www.meta-synthesis.com/webbook/30_timeline/lewis_theory.php | <urn:uuid:44f81536-8161-4522-8fa3-8c7231b9335c> | en | 0.901682 | 0.141135 |
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Simulation of quantum systems
Equilibration of nano-scale systems at finite temperature
As well for classical as quantum systems it is well-known that if the interaction between a system and a much larger reservoir having a large numb... | http://www.fz-juelich.de/ias/jsc/EN/Research/ModellingSimulation/QIP/SIM/_node.html | <urn:uuid:dbb99d02-698f-4287-8a1d-ecd0957c1bbf> | en | 0.868949 | 0.046731 |
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Wavefunction collapse: is that really an axiom
1. Oct 11, 2007 #1
Can the wavefunction collapse not be derived or is it really an axiom?
How can the answer to this question (yes or no) be proven?
If it is an axiom, is it the best formulation, is it not a dange... | https://www.physicsforums.com/threads/wavefunction-collapse-is-that-really-an-axiom.190540/ | <urn:uuid:67b4212b-15a1-488e-ae48-031a63e3cdc5> | en | 0.916517 | 0.38337 |
Foundational questions of quantum information
April 4-5, 2012
Workshop "Foundational questions of quantum information"
Dates: April 4-5, 2012
Jointly organized by LARSIM and QuPa
Venue: Amphi Opale, 46 rue Barrault, Paris 13e
April 4
9:30-9:45 Coffee and Opening
9:45-10:45 Robert Raussendorf (University of Bri... | http://iramis.cea.fr/Phocea/Vie_des_labos/Ast/ast_visu.php?id_ast=1899 | <urn:uuid:f95a9296-6e86-411f-b85a-2ba7b8ec09ab> | en | 0.890814 | 0.17283 |
The best computer is invisible.
Anticipation – A Spooky Computation
Conference on Computing Anticipatory Systems (CASYS 99), Liege, Belgium, August 8-11, 1999
Mihai Nadin
Program in Computational Design
University of Wuppertal
Computer Science, Center for the Study of Language and Information
201 Cordura Hall
Stan... | http://www.nadin.ws/archives/39 | <urn:uuid:da1b2958-6c3b-45a1-a06a-67e3c51aa044> | en | 0.93584 | 0.044483 |
A Classical Interpretation of the Wave Mechanics of Quantum Theory
San José State University
Thayer Watkins
Silicon Valley
& Tornado Alley
A Classical Interpretation of the
Wave Mechanics of Quantum Theory
Historical Background
In the early 1920's Werner Heisenberg in Copenhagen under the guidance of the venerabl... | http://applet-magic.com/wavemech.htm | <urn:uuid:a75d8320-b730-4378-ac6f-b53517cbf853> | en | 0.93452 | 0.38069 |
From Citizendium, the Citizens' Compendium
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This article is developing and not approved.
Main Article
Related Articles [?]
Bibliography [?]
External Links [?]
Citable Version [?]
In physics, the polarizability of an electric charge-distribution ρ describes the ease by which ρ can be pola... | http://en.citizendium.org/wiki/Polarizability | <urn:uuid:f025e2a7-25fd-457a-9f5c-2590fd709692> | en | 0.90343 | 0.360181 |
Advances in Graphene-Based Science and Application
Yasuhiro HATSUGAI, University of Tsukuba
1. Introduction
Graphene is a two dimensional array of carbon atoms on a honeycomb lattice. Its experimental realization [1,2] opens a breakthrough new world in physics and material science, which put a road to the Stockholm ag... | http://vimeo.com/30110006 | <urn:uuid:4376fcdb-e83b-4bd5-914d-af2d3625f551> | en | 0.934634 | 0.128469 |
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My stackexchange post [] was somewhat unsatisfactory (also because I may not have stated clear enough what my interest was). So here it goes!
Let $M$ be a compact Riemannian manifold and $\Delta$ be the Laplace-Beltrami operator. It is well-known that the solution operator to the heat equation $e^{t \Delta}... | http://mathoverflow.net/questions/118920/asymptotic-expansion-of-the-schr%c3%b6dinger-kernel/118969 | <urn:uuid:967afe1e-9ae2-4f73-8fcd-020b11af8c8b> | en | 0.84909 | 0.758314 |
Orbital hybridisation
From Wikipedia, the free encyclopedia
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This article is about hybridisation in valence bond theory. For s-p mixing, see molecular orbital diagram.
In chemistry, hybridisation (or hybridization) is the concept of mixing atomic orbitals into n... | https://en.wikipedia.org/wiki/Sp%C2%B2_bond | <urn:uuid:7dc3a568-34a2-4fe5-a1d4-3d76b7cf144d> | en | 0.811103 | 0.131113 |
New Energy Technologies
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NEW ENERGY TECHNOLOGIES #6
1. Large-Scale Shakharov condition, David Noever and Christopher Bremner
2. Matter as a resonance longitudinal wave process, Alexander V. Frolov
3. Physical Principles of ... | http://www.docstoc.com/docs/79492343/New-Energy-Technologies | <urn:uuid:37aac401-3095-4453-8e85-d639a587febf> | en | 0.918444 | 0.043418 |
Engines of Our Ingenuity
No. 1547:
by John H. Lienhard
Click here for audio of Episode 1547.
Today, let's reclaim mystery. The University of Houston's College of Engineering presents this series about the machines that make our civilization run, and the people whose ingenuity created them.
I was doing a program on... | http://uh.edu/engines/epi1547.htm | <urn:uuid:f6f6bb6b-2ea4-4908-aa8f-060d6c83eeb1> | en | 0.970242 | 0.311485 |
Quantum mechanics and scientific realism
atom711by Quentin Ruyant
One of the main tasks of philosophy is to clarify conceptual problems and sketch the landscape of possible solutions to these problems. Of course, individual philosophers often tend to defend specific positions, but what emerges at the level of the com... | https://scientiasalon.wordpress.com/2015/01/22/quantum-mechanics-and-scientific-realism/ | <urn:uuid:e0c4dfd9-3305-41eb-b2a8-2d5aa13aafc1> | en | 0.945905 | 0.148599 |
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 ... | http://www.nlsemagic.com/index.html | <urn:uuid:1b99692a-2ff9-4e59-9b4a-a95bc9213a13> | en | 0.88184 | 0.065919 |
Creation, Providence, and Miracle
Creation, Providence, and Miracle
Dr. William Lane Craig
In treating divine action in the world, we must distinguish between creation, providence, and miracle. Creation has typically been taken to involve God's originating the world (creatio originans) and His sustaining the worl... | http://leaderu.com/offices/billcraig/docs/creation-providence.html | <urn:uuid:738f1703-7204-48fe-aad6-5527fc61d497> | en | 0.941871 | 0.021977 |
Overblog Suivre ce blog
Editer l'article Administration Créer mon blog
15 janvier 2011 6 15 /01 /janvier /2011 14:05
In physics, energy (from Greek ???????? - energeia, "activity, operation", from ??????? - energos, "active, working" ) is a quantity that is often understood as the ability a physical system has to prod... | http://batterys.over-blog.com/article-something-about-energy-65040324.html | <urn:uuid:bcf4af54-6bb7-46eb-a96e-cebe47c05e05> | en | 0.865171 | 0.555791 |
Random physics
Alberto Verga, research notebook
\(\newcommand{\I}{\mathrm{i}} \newcommand{\E}{\mathrm{e}} \newcommand{\D}{\mathop{}\!\mathrm{d}} \newcommand{\Di}[1]{\mathop{}\!\mathrm{d}#1\,} \newcommand{\Dd}[1]{\frac{\mathop{}\!\mathrm{d}}{\mathop{}\!\mathrm{d}#1}}\)
»quantum chaos»kicked rotator»random matrices»qu... | http://verga.cpt.univ-mrs.fr/pages/kicked-localization.html | <urn:uuid:7df9576f-73e4-4d7a-ad2e-37c288e97597> | en | 0.705001 | 0.787204 |
Atomic theory
Atomic theory, ancient philosophical speculation that all things can be accounted for by innumerable combinations of hard, small, indivisible particles (called atoms) of various sizes but of the same basic material; or the modern scientific theory of matter according to which the chemical elements that ... | https://www.britannica.com/science/atomic-theory | <urn:uuid:665083ae-7597-4cc6-8c73-f31f78d45f58> | en | 0.912425 | 0.030344 |
Quantum Philosophy
New experiments - real and imagined - are probing ever more deeply into the surreal quantum realm
Gravitational Lens Thought Experiment
COSMIC THOUGHT EXPERIMENT calls for measuring individual photons from a quasar whose image has been split in two by a galaxy acting as a "gravitational lens." In... | https://sites.google.com/site/ceointellect/quantum | <urn:uuid:62be6b3e-9c6c-4553-a683-90ccb487c04b> | en | 0.949856 | 0.351102 |
Influence of a Moving Nodal Point on the "Causal Trajectories" in a Quantum Harmonic Oscillator Potential
Chaotic motion in the vicinity of a moving quantum nodal point is studied in the framework of the de Broglie–Bohm trajectory method of quantum mechanics. Chaos emerges from the sequential interaction between the q... | http://demonstrations.wolfram.com/InfluenceOfAMovingNodalPointOnTheCausalTrajectoriesInAQuantu/ | <urn:uuid:476d4d07-2b93-42d3-84bb-f87df67575f5> | en | 0.822956 | 0.023728 |
Q: What are complex numbers used for?
Physicist: If you’ve ever had to do square roots you’ve probably come up against the problem of taking the square root of a negative number. If you restrict your attention only to real numbers (0,1, -17, \pi, √2, …, any number you can think of), then there’s no way to take the sq... | http://www.askamathematician.com/2010/03/q-what-are-complex-numbers-used-for/ | <urn:uuid:2e61e66d-ca59-4377-b1b4-272cb9900f70> | en | 0.924729 | 0.512405 |
Schrödinger equation
From Wikipedia, the free encyclopedia
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For a more general introduction to the topic, see Introduction to quantum mechanics.
Schrödinger equation as part of a monument in front of Warsaw University's Centre of New Technologies
In ... | https://en.wikipedia.org/wiki/Schrodinger_equation | <urn:uuid:88015953-62d8-4f06-b10f-3e25875844a9> | en | 0.891163 | 0.757699 |
Take the 2-minute tour ×
I am an eighth grader (please remember this!!!) in need of some guidance in my school project on Quantum Mechanics, Theory, and Logic. I am attempting the create a graph of the Schrödinger Equation given the needed variables. To do this, I need to know what all of the variables mean and stand ... | http://physics.stackexchange.com/questions/22322/common-variables-in-quantum-mechanics | <urn:uuid:97ec5d19-c506-4c9b-b7bc-eb4c53cafbdf> | en | 0.901149 | 0.79613 |
Open Access Nano Express
A study of photomodulated reflectance on staircase-like, n-doped GaAs/Al x Ga1−x As quantum well structures
Omer Donmez1, Ferhat Nutku1*, Ayse Erol1, Cetin M Arikan1 and Yuksel Ergun2
Author Affiliations
1 Department of Physics, Faculty of Science, Istanbul University, Vezneciler, Istanbu... | http://www.nanoscalereslett.com/content/7/1/622/ | <urn:uuid:d327662a-b400-4166-a400-92b575c3cc7a> | en | 0.909135 | 0.018276 |
Intro to Quantum Mechanics
This page is intended to give an ordinary person a brief overview of the importance and wonder of quantum mechanics. Unfortunately, most people believe you need the mind of Einstein in order to understand QM so they give up on it entirely. (Interesting side note: Einstein didn't believe... | http://quantumintro.com/ | <urn:uuid:302b8cd3-d13d-4982-81ab-a7bcece4b67e> | en | 0.953813 | 0.891425 |
Quantum invisibility cloak could hide objects from reality
Quantum Cloak
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Science has been chasing the mythical invisibility cloak for years, and recent experiments have even shown the concept to be valid. But what if you want to go beyond simply hiding something from the visible light spectrum? A ... | http://www.extremetech.com/extreme/158405-quantum-invisibility-cloak-could-hide-objects-from-reality | <urn:uuid:1e50c064-53bc-4c75-9f7d-b0124c4ec8fc> | en | 0.911899 | 0.199278 |
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I am using Mathematica to construct a matrix for the Hamiltonian of some system. I have built this matrix already, and I have found the eigenvalues and the eigenvectors, I am uncertain if what I did next is correct: I took the norma... | http://physics.stackexchange.com/questions/54650/once-i-have-the-eigenvalues-and-the-eigenvectors-how-do-i-find-the-eigenfunctio/54660 | <urn:uuid:d1d39fd1-305c-4a01-af9e-824324b4bc97> | en | 0.834914 | 0.522653 |
Open Access
Moving gapless indirect excitons in monolayer graphene
Nanoscale Research Letters20127:599
DOI: 10.1186/10.1186/1556-276X-7-599
Received: 16 July 2012
Accepted: 11 October 2012
Published: 30 October 2012
The existence of moving indirect excitons in monolayer graphene is theoretically evidenced in th... | http://nanoscalereslett.springeropen.com/articles/10.1186/10.1186/1556-276X-7-599 | <urn:uuid:2e24ac95-c0ec-457f-9a3c-85e182bf558a> | en | 0.868695 | 0.208256 |
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I am always dubious when I need write Schrödinger equation: do I write $\partial / \partial t$ or $d/dt$ ?
I suppose it depends on the space in which it is considered. How?
share|cite|improve this question
The most general Schröd... | http://physics.stackexchange.com/questions/19141/is-it-a-total-or-an-explicite-time-derivative-in-the-schr%c3%b6dinger-equation | <urn:uuid:20b36f99-7d33-46da-8192-d6a0773cccdc> | en | 0.863516 | 0.994582 |
The Big Picture: Sean Carroll
big picture smallIncluded in this review:
Book: The Big Picture:
I include Carroll’s book in my list of “Classic Texts” because it may be taken as the standard account, for non-specialists, of what naturalism/physicalism means for moral philosophy and the challenge it poses to traditio... | https://evolutionforthehumanities.com/book-reviews/classic-evolutionary-texts/the-big-picture-sean-carroll | <urn:uuid:a71cce8c-f2f2-4c90-8bd4-f5f332d8f586> | en | 0.960309 | 0.171734 |
From Simple English Wikipedia, the free encyclopedia
Various examples of physical phenomena
Physics is a branch of science. It is one of the most fundamental scientific disciplines. The main goal of physics is to explain how things move in space and time and understand how the universe behaves. It studies matter, forc... | https://simple.wikipedia.org/wiki/Physics | <urn:uuid:1593def9-93c8-4317-a4e5-ab65e687587a> | en | 0.934634 | 0.723572 |
pgtruspace's blog
about things that interest me.
Monthly Archives: November 2016
EMF Thruster really Works
Artist concept of activity within thruster cavity that creates external thrust.
pictures of test device in front of vacuum chamber.
A vacuum test campaign evaluating the impulsive thrust performance of a ... | https://pgtruspace.wordpress.com/2016/11/ | <urn:uuid:8892fab7-a967-42d4-80b7-f4e5e6e368e5> | en | 0.943821 | 0.042978 |
June 2, 2021
International team including University of Calgary researcher proves 'imaginary' numbers have real function in quantum world
Faculty of Science mathematician on team that showed complex numbers are necessary for distinguishing quantum states
Visualize putting two apples on a table. That number “2” is ea... | https://www.ucalgary.ca/news/international-team-including-university-calgary-researcher-proves-imaginary-numbers-have-real | <urn:uuid:db558092-90f1-4928-8433-155cc26e6223> | en | 0.938515 | 0.670184 |
Spectral theory
In mathematics, spectral theory is an inclusive term for theories extending the eigenvector and eigenvalue theory of a single square matrix to a much broader theory of the structure of operators in a variety of mathematical spaces.[1] It is a result of studies of linear algebra and the solutions of sys... | https://gateway.ipfs.io/ipfs/QmXoypizjW3WknFiJnKLwHCnL72vedxjQkDDP1mXWo6uco/wiki/Spectral_theory.html | <urn:uuid:39861bd6-87be-424c-9d60-55b3a8dd95b7> | en | 0.832283 | 0.145356 |
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The quantum world
If you're interested in the fundamental laws of modern physics and how mathematics is used to state and apply these laws, this module is for you. It surveys the physical principles, mathematical techniques and interpretation of quan... | http://www.open.ac.uk/courses/modules/sm358 | <urn:uuid:84c93870-c5c5-41a6-ad83-044e0ff5cb1a> | en | 0.918082 | 0.02741 |
Wave-Function Story
Last time I started with wave-functions of quantum systems and the Schrödinger equation that describes them. The wave-like nature of quantum systems allows them to be merged (superposed) into combined quantum system so long as the coherence (the phase information) remains intact.
The big mystery o... | https://logosconcarne.com/2020/05/22/wave-function-story/ | <urn:uuid:f97bfd58-8683-41b6-918e-947dbddb3558> | en | 0.938512 | 0.259047 |
Chapter 30
by on
History shows that scientific “truth” changes over time. The uncertainty is the reason why continued testing of our ideas is so important in science.
Science is the study of the natural world using the five senses. Because people use their senses every day, people have always done some sort of scie... | https://answersingenesis.org/physics/do-creationists-believe-in-weird-physics/ | <urn:uuid:bd2070d1-605c-4eea-987e-a667f8ef6208> | en | 0.957025 | 0.907575 |
Open access peer-reviewed chapter
Mechanical Models of Microtubules
By Slobodan Zdravković
Submitted: May 7th 2017Reviewed: September 21st 2017Published: May 2nd 2018
DOI: 10.5772/intechopen.71181
Downloaded: 294
Microtubules are the major part of the cytoskeleton. They are involved in nuclear and cell division ... | https://www.intechopen.com/books/complexity-in-biological-and-physical-systems-bifurcations-solitons-and-fractals/mechanical-models-of-microtubules | <urn:uuid:3b312bb0-b150-4aff-b22e-03111a594853> | en | 0.893552 | 0.115646 |
Tomoi Koide is a Professor at Institute of Physics, Federal University of Rio de Janeiro, Brazil. He has completed his PhD from Tohoku University, Japan and Post-doctoral studies from Frankfurt University, Federal University of Rio de Janeiro and so on. He has published more than 60 papers in reputed journals.
Variat... | https://www.omicsonline.org/speaker/tomoi-koide-federal-university-of-rio-de-janeiro-brazil/ | <urn:uuid:b9c95e5d-2586-4d53-a018-b0f92cc2a2d8> | en | 0.944045 | 0.080442 |
From UW-Math Wiki
Revision as of 17:52, 3 February 2014 by Spagnolie (talk | contribs) (ACMS Abstracts: Spring 2014)
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ACMS Abstracts: Spring 2014
Adrianna Gillman (Dartmouth)
Fast direct solvers for linear partial differential equations
Yaniv Plan (Michigan)
Low-dimensionality in mathem... | https://www.math.wisc.edu/wiki/index.php?title=Applied/ACMS/absS14&oldid=6538 | <urn:uuid:1621e7bf-9be7-4855-a750-f50bf9424179> | en | 0.934374 | 0.02285 |
Ady Stern from the Weizmann Institute of Science will introduce the quantum Hall effect.
Ady thanks Dr. Dan Arav and Gil Novik from the School of Media Studies of the College of Management - Academic Studies for their help in preparing the videos.
The Hall effect
We now move on to the quantum Hall effect, the mother... | https://test.topocondmat.org/w3_pump_QHE/Laughlinargument.html | <urn:uuid:30e2c465-72d1-44a8-8a57-32dc3bfcc653> | en | 0.879816 | 0.582038 |
We are tackling various problems in information communication, machine learning, etc. using the notions and techniques of statistical mechanics. However, unlike mechanics and electromagnetics, there are few occasions where one encounters the notions of statistical mechanics before formally studying it. This may make it... | https://kaba-lab.org/en/research/ | <urn:uuid:ee46d7bc-cecb-43c6-995d-699ed9b8aa5a> | en | 0.934237 | 0.362795 |
Klein Oskar
Biografia estratta da
(1894-1977) Oskar Klein was the youngest son of Sweden's first rabbi, Gottlieb Klein, who was originally from the Southern Carpathian. Gottlieb Klein received his doctorate from Heidelberg and moved to Sweden in 1883. He evidently instilled an interest in learning in his young son... | https://scienzapertutti.infn.it/rubriche/biografie/128-oskar-klein?tmpl=component&print=1 | <urn:uuid:4aeed2d5-a6b9-45dc-b842-a925890424ae> | en | 0.98261 | 0.037893 |
In quantum tunneling, the probability of finding an electron inside the potential barrier is non zero . So we can actually find an electron which had an energy $E$ in a place where classically it should have an energy bigger than $E$.
enter image description here
So if we find an electron in this potential barrier wh... | https://physics.stackexchange.com/questions/111697/extra-energy-in-quantum-tunneling | <urn:uuid:c2686277-63ca-4ad3-9f12-2b28c6f181e0> | en | 0.927749 | 0.682406 |
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... | https://motls.blogspot.com/2014/08/maldacenas-bound-on-statistical.html?showComment=1408475370847&m=1 | <urn:uuid:b35a8247-820e-4705-9c70-68a1138a97ab> | en | 0.958638 | 0.375454 |
Lattice QCD approach to Nuclear Physics
Sinya Aoki Takumi Doi Tetsuo Hatsuda Yoichi Ikeda Takashi Inoue Noriyoshi Ishii Keiko Murano Hidekatsu Nemura Kenji Sasaki (HAL QCD Collaboration) Graduate School of Pure and Applied SciencesGraduate School of Pure and Applied Sciences University of Tsu... | https://www.arxiv-vanity.com/papers/1206.5088/ | <urn:uuid:a0873d1e-53f8-420e-b882-cafcaf482aa3> | en | 0.908128 | 0.162274 |
pgtruspace's blog
about things that interest me.
Category Archives: space flight
gravity is a myth
The Earth sucks or does it?
On Gravity
Gravity causes exactly the same warpage as charge fields in atomic structures. Gravity behaves exactly the same as charge fields as to effects over distance. Charge fields are ... | https://pgtruspace.wordpress.com/category/space-flight/ | <urn:uuid:7a181aef-85e0-4634-bbb0-5c0cc8996507> | en | 0.943108 | 0.026206 |
After about a year of work on the density-functional toolkit (DFTK) we finally started using the code for some new science. Given the mathematics background of the CERMICS the first two DFTK-related articles were not so much about large-scale applications, but rather deal some fundamental questions of Kohn-Sham densi... | https://michael-herbst.com/2020-nonscf-error-estimates.html | <urn:uuid:07fa8848-a457-4981-8d4d-9c00de956337> | en | 0.926059 | 0.032014 |
Quantum Barrier Scattering
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Run Speed: Real/imag Density/phase Grid
Reset Wavepacket energy = 0.030 ± 0.005
Barrier energy = 0.030 Width = 20 Ramp = 0
This simulation shows a quantum mechanical wavepacket hitting a barrier. You can adjust the wavepacket’s n... | http://physics.weber.edu/schroeder/software/BarrierScattering.html | <urn:uuid:b16629f5-331a-488e-99f3-49bfe2ebb7e8> | en | 0.894205 | 0.926351 |
Take the 2-minute tour ×
The theory as I know it
Let $\mathcal{H}$ be a Hilbert space and $(A, D(A))$ a self-adjoint operator acting on it. The Spectral Theorem (cfr. Reed & Simon Methods of modern mathematical physics, vol.I, §VIII.6) asserts the existence of a unique projection-valued measure (PVM) $P$ s.t.
$$A= \... | http://math.stackexchange.com/questions/34278/schr%c3%b6dinger-operator-where-is-the-generator-to-be-defined | <urn:uuid:8cb44a49-a007-4e48-82c8-30661e140757> | en | 0.790616 | 0.827513 |
Take the 2-minute tour ×
I don't really know much about Quantum mechanics, but would like to know one simple fact.
The state function $\Psi(r, t)|$ whose magnitude gives the probability density of the position of the particle and the magnitude of its ($\Psi(r, t)$) fourier transform gives probability density of its m... | http://physics.stackexchange.com/questions/1067/is-it-guaranteed-that-wavefunction-is-well-behaved-everywhere/1071 | <urn:uuid:3f53900e-038d-46a9-9e4d-bff2d1881d7a> | en | 0.890925 | 0.413623 |
Similar triangles
Complex number
In mathematics, the complex numbers are an extension of the real numbers obtained by adjoining an imaginary unit, denoted i, which satisfies:
Every complex number can be written in the form a + bi, where a and b are real numbers called the real part and the imaginary part of the com... | http://www.reference.com/browse/Similar+triangles | <urn:uuid:71ef0fd5-3ecb-4274-9f11-63737c92791c> | en | 0.907866 | 0.780205 |
Climate Models Irreducibly Imprecise
A number of recent papers analyzing the nature of climate models have yielded a stunning result little known outside of mathematical circles—climate models like the ones relied on by the IPCC contain “irreducible imprecision.” According to one researcher, all interesting solutions ... | http://theresilientearth.com/?q=content/climate-models-irreducibly-imprecise | <urn:uuid:4c77e7cf-940b-4e9b-b86b-e723f14e71f9> | en | 0.941333 | 0.129485 |
Take the 2-minute tour ×
Lawrence Evans wrote in discussing the work of Lions fils that
there is in truth no central core theory of nonlinear partial differential equations, nor can there be. The sources of partial differential equations are so many - physical, probabilistic, geometric etc. - that the subject is a co... | https://mathoverflow.net/questions/15292/why-cant-there-be-a-general-theory-of-nonlinear-pde/15301 | <urn:uuid:7cda2a9f-114a-4838-aa4f-745e89a1e29e> | en | 0.938893 | 0.13373 |
Matter wave
From Wikipedia, the free encyclopedia
Jump to: navigation, search
In quantum mechanics, a branch of physics, a matter wave is when you think of matter as a wave. The concept of matter waves was first introduced by Louis de Broglie. Matter waves are hard to visualize, because we are used to thinking of mat... | http://simple.wikipedia.org/wiki/Matter_wave | <urn:uuid:14c9d5f2-9435-419e-be87-129afbb3b1b2> | en | 0.946927 | 0.206895 |
next up previous contents index
Next: 8.2.3 Parallel Algorithm Up: Quantum Mechanical Reactive Previous: 8.2.1 Introduction
8.2.2 Methodology
The detailed formulation of reactive scattering based on hyperspherical coordinates and local variational hyperspherical surface functions (LHSF) is discussed elsewhere [Kuppe... | http://www.netlib.org/utk/lsi/pcwLSI/text/node162.html | <urn:uuid:dddce0f9-ae3b-48d3-a42f-d8437d33b86f> | en | 0.876744 | 0.030349 |
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NASA Science
NASA Gravity Probe Confirms Two Einstein Predictions 139
Posted by samzenpus
from the I-hope-it-feels-so-good-to-be-right dept.
NASA Gravity Probe Confirms Two Einstein Predictions
Comments Filter:
• by Anonymous Coward on Thursday May 05, 2011 @04:53AM (#36033044)
Please, ... | http://science.slashdot.org/story/11/05/05/0253241/nasa-gravity-probe-confirms-two-einstein-predictions?sdsrc=prev | <urn:uuid:34b66e85-ec38-4fd2-9082-eb55484fe8f9> | en | 0.951567 | 0.024428 |
Joe Lykken on “Some good/bad news about string theory”
Joe Lykken, “String Theory for Physicists,” XXXIII SLAC Summer Institute, 2005, Lecture 1 [PDF]; Lecture 2 [PDF]; and Lecture 3 [PDF].
“Some good/bad news about string theory:
Good: String theory is a consistent theory of quantum gravity. Bad: It’s really a gene... | http://francisworldinsideout.wordpress.com/ | <urn:uuid:7aebf091-abc4-4bcd-b36f-fa1dd68afad5> | en | 0.919494 | 0.373192 |
Now Playing Tracks
If Apple were a worker it would have paid the federal government $36 billion in taxes.
Instead of paying taxes, Apple has taxes that are deferred for as long as it chooses.
In total, I estimate from corporate disclosure documents, American multinational companies have $2 trillion of untaxed profit... | http://grumpimus-prime.tumblr.com/ | <urn:uuid:92d9c2e3-7382-4363-bf89-4e3b698b804c> | en | 0.942596 | 0.41573 |
Famously, Schrödinger's cat is found to be both dead and alive within a closed system - at the mercy of quantum mechanics. But why is the cat "both dead and alive"? For the Copenhagen interpretation, according to Heisenberg "the wave-function represents a probability, but not an objective reality itself in space and ti... | https://physics.stackexchange.com/questions/266981/schr%C3%B6dingers-cat-being-both-dead-and-alive | <urn:uuid:1c467442-126c-47bb-b8b2-17b5d7928d59> | en | 0.943792 | 0.61234 |
MATSLISE is a graphical MATLAB software package for the interactive numerical study of regular Sturm-Liouville problems, one-dimensional Schrödinger equations, and radial Schrödinger equations with a distorted Coulomb potential. It allows the fast and accurate computation of the eigenvalues and the visualization of the... | http://swmath.org/software/559 | <urn:uuid:262c5aab-d882-44f1-8a1f-9713584efb76> | en | 0.68982 | 0.05216 |
Quantum communication: making two from one
In the future, quantum physics could become the guarantor of secure information technology. To achieve this, individual particles of light—photons—are used for secure transmission of data. Findings by physicists from ...
Graphene tunnelling junctions: beyond the breaking poi... | https://phys.org/tags/quantum%20tunneling/ | <urn:uuid:cb6e776d-c3ec-4a17-ac29-1ee20ba4980f> | en | 0.910527 | 0.100925 |
Friday, March 29, 2019
Proving the Periodic Table
The year 2019 is the International Year of the Periodic Table celebrating the 150th anniversary of Mendeleev's discovery. This prompts me to report on something that I learned in recent years when co-teaching "Mathematical Quantum Mechanics" with mathematicians in par... | https://atdotde.blogspot.com/ | <urn:uuid:1ee8679f-252e-41ed-9d75-29144a857f86> | en | 0.888045 | 0.309765 |
Single qubit NMR based quantum computation
In the previous post, we have sketched the basic ideas behind NMR based quantum computation. In this post, we will discuss single qubits and single qubit operations in more depth.
The rotating frame of reference
In NMR based quantum computing, quantum gates are realized by ... | https://leftasexercise.com/2019/04/29/single-qubit-nmr-based-quantum-computation/ | <urn:uuid:4f0ea8e2-c28f-45a8-9616-ca62f9a44ce5> | en | 0.897777 | 0.14603 |
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A principle, according to which any scientific theory can be mathematized, is investigated. Social science, liberal arts, history, and philosophy are meant first of all. That kind of theory is presupposed to be a consistent text, which can be exhaustedly repres... | https://philarchive.org/rec/PENASA-5 | <urn:uuid:3f4f0823-2f96-43a0-9021-a43ce91e65fe> | en | 0.930582 | 0.117959 |
zbMATH — the first resource for mathematics
Semiclassical eigenstates in a multidimensional well. (English) Zbl 0937.35511
Séminaire de théorie spectrale et géométrie. Année 1992-1993. Chambéry: Univ. de Savoie, Fac. des Sciences, Service de Math. Sémin. Théor. Spectrale Géom., Chambéry-Grenoble. 11, 147-155 (1993).
S... | https://zbmath.org/?q=an:0937.35511 | <urn:uuid:a2fa2eef-01b0-47d0-90bd-ec9a0c1e1b80> | en | 0.716452 | 0.039429 |
Stanford Encyclopedia of Philosophy
Modal Interpretations of Quantum Mechanics
First published Tue Nov 12, 2002; substantive revision Thu Dec 6, 2007
The original ‘modal interpretation’ of quantum theory was born in the early 1970s, and at that time the phrase referred to a single interpretation, due to van Fraassen... | https://stanford.library.sydney.edu.au/archives/fall2011/entries/qm-modal/ | <urn:uuid:75e912d4-dab3-436d-993d-e8bcf919d5d6> | en | 0.935573 | 0.039532 |
Is bonding specifically for and between electrons? Why cant two atoms share muons, which are different particles of same charge, spin and different mass?
Why there aren't muon-electron bonds?
Why is the octet (or eighteen valence electron) rule only for electrons, and not for all particles with similar charge and spi... | https://chemistry.stackexchange.com/questions/125171/how-do-molecules-with-muons-and-electrons-bond/125212 | <urn:uuid:da2b2ec8-fecb-4170-a13b-0222b27f7d86> | en | 0.926017 | 0.983649 |
School of Mathematics
People A-Z
Dr. Ben Goddard
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My research combines mathematical modelling, numerics and rigorous analysis to tackle a range of interdisciplinary problems. These problems are generally complex (with phenomena that emerge from a ... | https://www.maths.ed.ac.uk/school-of-mathematics/people/a-z?person=374 | <urn:uuid:6ee8e66f-b796-41ea-82d7-6b34b7c14734> | en | 0.912409 | 0.064417 |
Emotions, Diffusive Emotional Control and the Motivational Problem for Autonomous Cognitive Systems
C. Gros (J.W. Goethe University Frankfurt, Germany)
DOI: 10.4018/978-1-60566-354-8.ch007
All self-active living beings need to solve the motivational problem—the question of what to do at any moment of their life. Fo... | https://www.igi-global.com/chapter/emotions-diffusive-emotional-control-motivational/21505 | <urn:uuid:90656dee-be98-4d54-bd39-4cc7eea247bc> | en | 0.905486 | 0.346316 |
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Condensed Matter Physics
Scanning probe microscopies
Scanning probe microscopies
TEM and SEM are based on the interaction of an electron beam with a sample, either by analysing the selective absorptivity of regions of the sample (TEM) or by probing a variety of scattering mechanisms occurring as the beam is... | http://users.aber.ac.uk/ruw/teach/334/afm-stm.php | <urn:uuid:131e6f5d-3e51-42ac-97e3-d471e4d0309c> | en | 0.927857 | 0.38348 |
Jones Calculus
Jones calculus
A quaternion valued wave equation \Psi_{tt} = D^2 \Psi can be solved as usual with a d’Alembert solution \Psi(t) = \cos(D t) \Psi(0) + \sin(D t) D^{-1} \Psi'(0). We can write this more generally as e^{\beta D t} (u(0) - \beta v(0)) where \beta is a unit space quaternion where \psi(0)=u(0... | https://www.quantumcalculus.org/jones-calculus/ | <urn:uuid:36407d78-aadc-4c6c-85f8-9a58f5365897> | en | 0.915071 | 0.713167 |
On the Possibility of Libertarian Free Will
This is a brief attempt to show that while remaining unlikely, the existence of Libertarian Free Will is not an impossibility within the bounds of our current scientific and philosophical understanding.
My aim is to identify both the possibilities and any problems with them... | https://informationvoyeur.wordpress.com/category/philosophy/free-will/ | <urn:uuid:54c4510a-ce0e-48fa-9eff-e1a4cb5d99d3> | en | 0.93847 | 0.030566 |
by subject...
1 - 10 of 37 results for: PHYSICS
PHYSICS 14N: Quantum Information: Visions and Emerging Technologies
Terms: Spr | Units: 3 | UG Reqs: WAY-FR, WAY-SMA | Grading: Letter or Credit/No Credit
PHYSICS 17: Black Holes and Extreme Astrophysics
PHYSICS 25: Modern Physics
How do the discoveries since the ... | http://explorecourses.stanford.edu/search;jsessionid=6pl0te93hl2o5rmtc3u26ak1?view=catalog&academicYear=&page=0&q=PHYSICS&filter-departmentcode-PHYSICS=on&filter-coursestatus-Active=on&filter-term-Spring=on | <urn:uuid:85a90fc3-9611-4576-8d1e-54ece51b3df9> | en | 0.836947 | 0.637881 |
(1/3) “Man fears time…”
I have wondered if Imhotep had some hidden meaning in the pyramid. Little is recorded about him, but he lived during the Old Kingdom of Egypt under Djoser. He seems to have been born a commoner, and become renown as a great architect, sage, and perhaps the first physician in the world. His mon... | https://tec314159.wordpress.com/category/complex-systems/ | <urn:uuid:3ee69ac3-378d-4366-98e0-f035e3896986> | en | 0.96179 | 0.163661 |
A size-consistent approach to strongly correlated systems using a generalized antisymmetrized product of nonorthogonal geminals
P.A. Johnson, P.W. Ayers, P.A. Limacher, S. De Baerdemacker, D. Van Neck, P. Bultinck
Computational and Theoretical Chemistry
1003 (2013), 101-113
Inspired by the wavefunction forms of exac... | https://molmod.ugent.be/publications/size-consistent-approach-strongly-correlated-systems-using-generalized-antisymmetrized | <urn:uuid:eb7221ed-5128-4df7-81ad-8082ea0240b5> | en | 0.862932 | 0.116924 |
Formation of σ and π bonds
As an illustration of the VB procedure, consider the structure of H2O. First, note that the valence-shell electron configuration of an oxygen atom is 2s22px22py12pz1, with an unpaired electron in each of two 2p orbitals, and
Lewis diagram for the atom oxygen.
is the Lewis diagram for the a... | https://www.britannica.com/science/chemical-bonding/Formation-of-s-and-p-bonds | <urn:uuid:a596eb4f-dc7c-495d-a1e4-2205e1b4ec20> | en | 0.928627 | 0.49695 |
OpenChemistry Lecture Videos
Professor A.J. Shaka
CHEM 131A: Physical Chemistry - Quantum Principles
This course provides an introduction to quantum mechanics and principles of quantum chemistry with applications to nuclear motions and the electronic structure of the hydrogen atom. It also examines the Schrödinger e... | https://ps.uci.edu/content/chem-131a-physical-chemistry-quantum-principles | <urn:uuid:8af801f5-d34f-4ea5-8fc7-b319682a46b4> | en | 0.67333 | 0.150889 |
Solving the Schrödinger equation numerically by expansion in eigenstates
Computational physics example – Quantum Mechanics
By Jonas Tjemsland, Andreas Krogen og Jon Andreas Støvneng.
Last edited: March 12th 2016
In this notebook we will be solving the one-dimensional Schrödinger equation,
$$i\hbar\frac{\partial\P... | https://nbviewer.jupyter.org/urls/www.numfys.net/media/notebooks/schrodinger_equation.ipynb | <urn:uuid:7bcca1ee-d0ad-4305-b7e8-7fe4a6cc2b2c> | en | 0.711447 | 0.691589 |
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NASA Science
NASA Gravity Probe Confirms Two Einstein Predictions 139
Posted by samzenpus
from the I-hope-it-feels-so-good-to-be-right dept.
sanzibar writes "After 52 years of conceiving, testing and waiting, marked by scientific advances and disappointments, one of Stanford's and NASA's long... | http://science.slashdot.org/story/11/05/05/0253241/nasa-gravity-probe-confirms-two-einstein-predictions?sdsrc=prevbtmprev | <urn:uuid:7c9c00d9-f889-4916-8c1d-60cd21166f8d> | en | 0.954516 | 0.032606 |
New Quantum Exchange collection resources The latest material additions to the Quantum Exchange. en-US Copyright 2015, Mon, 23 Mar 2015 21:48:46 EST Quantum Exchange 125 35 Developing a quantum mechanics concept inventory This paper describes the process of writing a quantum mechanics concept inventory concerning one-d... | http://www.thequantumexchange.org/services/rss/recent.cfm | <urn:uuid:b90f5afb-ed56-4260-ae5f-e4263e390194> | en | 0.924936 | 0.022109 |
Tell me more ×
For $a$ being positive what are the quantization conditions for an exponential potential?
$$ - \frac{d^{2}}{dx^{2}}y(x)+ ae^{|x|}y(x)=E_{n}y(x) $$ with boundary conditions $$ y(0)=0=y(\infty) $$ I believe that the energies $ E_{n} $ will be positive and real
I have read a similar paper: P. Amore, F. M... | http://physics.stackexchange.com/questions/47128/exponential-potential-expx | <urn:uuid:78411d56-cc2e-49eb-a097-3328efcecf3e> | en | 0.832651 | 0.030557 |
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Quantum mechanics
From Wikipedia, the free encyclopedia
(Redirected from Quantum Physics)
Jump to: navigation, search
For a more accessible and less technical introduction to this topic, see Introduction to quantum mechanics.
Solution to Schrödinger's equation for the hyd... | https://en.wikipedia.org/wiki/Quantum_Physics | <urn:uuid:7b022e6c-7750-481d-8d6b-1d4a22b7b322> | en | 0.899038 | 0.580066 |
Take the 2-minute tour ×
we know that the operator
$ H= - \hbar ^{2} \frac{d^{2}}{dx^{2}}+ V(x) $ is hermitian isn't it ??
however what would happen if the potential were still real but it depends on the Wave function, for example huypothetically
$ V(x) = |\Psi (x)|^{2} $ or $ V(x) = arg \Psi (x) $
since the funct... | http://physics.stackexchange.com/questions/32167/hermitian-operator-is-this-possible/32170 | <urn:uuid:1468a9e3-1a8d-4339-80d0-bb6485f2710d> | en | 0.919144 | 0.671578 |
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How Particles Tunnel Through Potential Barriers That Have Greater Energy
When a particle doesn't have as much ene... | http://www.dummies.com/how-to/content/how-particles-tunnel-through-potential-barriers-th.html | <urn:uuid:418de732-0aca-48b2-937e-c6612b665373> | en | 0.924764 | 0.75284 |
The thing about such games is that there is an “internal universe”, in which Lara interacts with other game elements, and occasionally is killed by them, and an “external universe”, where the computer or console running the game, together with the human who is playing the game, resides. While the game is running, ... | https://terrytao.wordpress.com/2007/02/26/quantum-mechanics-and-tomb-raider/ | <urn:uuid:fe93e979-b0b2-4975-88f9-98ef69b97e73> | en | 0.949707 | 0.494546 |
Atomic Physics
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Related to Atomic Physics: quantum physics, particle physics
Atomic physics
The study of the structure of the atom, its dynamical properties, including energy states, and its interactions with particles and fields. These are almost completely determined... | http://encyclopedia2.thefreedictionary.com/Atomic+Physics | <urn:uuid:54d49b73-36cc-4692-a218-1d19b84b79f0> | en | 0.946827 | 0.425429 |
General relativity
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(Redirected from Curved space-time)
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General relativity (GR, also known as the general theory of relativity or GTR) is the geometric theory of gravitation published by Albert Einstein in 1915[2] and the current description of gravit... | https://en.wikipedia.org/wiki/Curved_space-time | <urn:uuid:a31d3701-cf7b-421f-bc89-1faba42eab48> | en | 0.880902 | 0.063043 |
Sensors Sensors 1424-8220 Molecular Diversity Preservation International (MDPI) 10.3390/s7123489 sensors-07-03489 Review Optical Fiber Sensing Using Quantum Dots JorgePedro1* MartinsManuel António2 TrindadeTito2 SantosJosé Luís13 FarahiFaramarz4 Unidade de Optoelectrónica, INESC Porto. Rua do Campo Alegre, 687. 4169 00... | http://www.mdpi.com/1424-8220/7/12/3489/xml | <urn:uuid:93ec23c3-8458-4dd6-81e7-17ee84d4f826> | en | 0.897715 | 0.021311 |
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