• Proof of expanding algebraic functions by Puiseux series

    Updated: 2011-11-27 15:58:09
    Hi, I'm told that a basic result in algebraic geometry is that all algebraic functions [itex]w(z)[/itex] of one variable given by the equation: ...

  • Wavepacket Dispersion and how this links to particle behaviour

    Updated: 2011-11-27 15:53:20
    Hi, I'm trying to get my head round modelling particles in free space in quantum mechanics. I appreciate that we can "build" wavepackets by superposing many plane waves with different k-numbers...

  • Chat is open!!!!

    Updated: 2011-11-27 15:47:57
    Come on http://www.physicsforums.com/chat/flashchat.php Praise the flabbath :biggrin:

  • Naive question on CFT in 2D systems

    Updated: 2011-11-27 15:41:25
    Hi, can somebody explain please how the CFT is constructed for the systems with 2 spatial dimensions like Ising model? All relevant textbooks start with the radial quatization so it is assumed all...

  • Calculating the work done moving a charge in a magnetic field

    Updated: 2011-11-27 15:36:41
    *1. The problem statement, all variables and given/known data* There are two infinitely long wires A and B, each carries a current of 1 Amp in the same direction. The two wires are 4m apart. a)...

  • electric potential, hollow metalic cylinder

    Updated: 2011-11-27 15:36:34
    A hollow metalic cylinder of radius r and lenght l, has potential V0 over its surface. The axis of the cylinder coincides with the z axis, and the cylinder is centered at the origin. The cylinder is...

  • First condition of equilibrium problem help...

    Updated: 2011-11-27 15:24:30
    Anyone know how to solve this one? *1. The problem statement, all variables and given/known data* Determine weights w1 and w2 that cause the tension T in the horizontal cable to be 100 N. ...

  • Mesh in Ansys problem

    Updated: 2011-11-27 15:18:42
    People, How can I define between two nodes 100 nodes more, not to put manually each of them?

  • Physicists talk turkey

    Updated: 2011-11-23 17:46:44
    Looking for some help with cooking your Thanksgiving feast this holiday? Here are a couple of ways that particle physics can lend a hand.

  • Muppet scientists at the LHC

    Updated: 2011-11-23 16:32:30
    In the new movie The Muppets, released today, physics fans will cheer to see that bespectacled scientist Dr. Bunsen Honeydew and his harried assistant, Beaker, seem to have moved on from their careers at Muppet Labs to work on the ATLAS experiment at the Large Hadron Collider.

  • Postdoctoral position at Beijing Normal University in Quantum Gravity and Quantum Cosmology

    Updated: 2011-11-22 13:38:15
    The Center for Relativity and Gravitation at Beijing Normal Univerisity has one post-doctoral position opening from fall 2012 in the areas of quantum gravity and quantum cosmology. Successful candidate will work with Yongge Ma. The appointment will be for two years. The gravity group consists of Sijie Gao, Wenbiao Liu, Yongge Ma, Bin Zhou and Jianyang [...]

  • Postdoctoral Research Fellow in Theoretical Gravitational Physics at the University of Nottingham

    Updated: 2011-11-22 09:00:47
    Applications are invited for an ERC-funded post based in the School of Mathematical Sciences at the University of Nottingham. The successful candidate will work with the ERC-funded research group on “Diffeomorphism invariant gauge theories, asymptotic safety and geometry” in the School of Mathematics as well as with the Particle Theory Group in the School of [...]

  • Still Waiting for Supersymmetry

    Updated: 2011-11-22 01:41:34
    The headline story at the APS Physics site is Still Waiting for Supersymmetry, by Sven Heinemeyer, which reports on a PRL article from CMS reporting no evidence for supersymmetry. According to Heinemeyer: It’s important to realize that CMS’s results do … Continue reading →

  • Big Bang Theory as Science Recruiting Tool?

    Updated: 2011-11-21 17:25:15
    There's been a recent upward trend in the number of British students taking physics classes in high school and university. Some attribute the trend to the popular science documentaries hosted by Brian Cox...Read Full Post

  • Not Your Grandfather’s Gravity – 3rd time is the charm

    Updated: 2011-11-21 16:24:09
    I did this talk — basically interesting developments in gravity & related subjects — for the third time at Philcon this last Saturday.  The talk was scheduled for 1pm, so I spent a few hours in the morning refreshing it. The big news was that the OPERA project had done a second version of the [...]

  • 16th Paris Cosmology Colloquium “The New Standard Model of the Universe: Lambda Warm Dark Matter. Theory and Observations”

    Updated: 2011-11-21 15:33:51
    Ecole Internationale d’Astrophysique Daniel Chalonge Chalonge School 16th Paris Cosmology Colloquium 2012 “The New Standard Model of the Universe: Lambda Warm Dark Matter. Theory and Observations” 1. SUMMARY Recently, Warm (keV scale) Dark Matter emerged impressively over CDM (Cold Dark Matter) as the leading Dark Matter candidate. Astronomical evidence that Cold Dark Matter (LambdaCDM) and its proposed tailored [...]

  • Favored Higgs hiding spot remains after most complete search yet

    Updated: 2011-11-18 11:30:17
    The CMS and ATLAS experiments at the Large Hadron Collider have backed the Standard Model Higgs boson, if it exists, into a corner with their first combined Higgs search result.

  • Colbert Quantum Levitates Ice Cream

    Updated: 2011-11-18 08:00:39
    Last week, comedian Stephen Colbert became (so far as I know) the first comedian to quantum levitate ... well, pretty much anything! On the November 9 episode of his hit satirical political Comedy Central show, The Colbert Report, Colbert used this curious quantum physics property as a key element in one of his show's segments....Read Full Post

  • Faster-than-light neutrino measurement withstands new test

    Updated: 2011-11-18 01:29:43
    The OPERA experiment’s surprising superluminal neutrino result is holding fast after a new measurement designed to eliminate a possible source of systematic error from their previous tests.

  • Postdoctoral Position in Computational and Theoretical Black Hole Astrophysics at Georgia Tech

    Updated: 2011-11-16 22:54:58
    Applications are invited for a postdoctoral position in the area of computational and theoretical black hole astrophysics including numerical relativity at the Georgia Tech Center for Relativistic Astrophysics (CRA). The successful candidate will work with Dr. Tamara Bogdanovic, who will join the CRA faculty in 2012, and have opportunity to collaborate with other members of [...]

  • Particle physics inspires classical composer

    Updated: 2011-11-16 16:40:26
    Major new work for violin traces the history of particle physics

  • Knots and Quantum Theory

    Updated: 2011-11-16 03:07:33
    A commenter on the last posting pointed to the new video available at the IAS site of Witten’s recent public talk there on Knots and Quantum Theory. The talk is aimed at a general audience, including supporters of the IAS, … Continue reading →

  • “Not Your Grandfather’s Gravity” at the Philadelphia SF Convention

    Updated: 2011-11-15 22:39:44
    I’ll be doing my Not Your Grandfather’s Gravity talk this coming Saturday at Philcon at 1pm.   I’ve been scheduled for six panels as well, five as moderator.  These are on Fiction of China Mieville, Alien Life in the Solar System (besides us), Future War, Tapping the Quantum Foam (entertaining nonsense:  crank up the balonium generators), [...]

  • Fermilab’s Physics for Everyone lecture series resumes Nov. 16

    Updated: 2011-11-15 18:28:52
    Fermilab’s Tevatron program has shut down, but the laboratory’s other programs are going strong. Learn more about Fermilab’s future programs through the monthly Physics for Everyone lectures beginning again on Wednesday, Nov. 16.

  • PhD Position in Relativity at Jena

    Updated: 2011-11-15 15:00:36
    Applications are invited for a PhD position within the SFB/Transregio 7 Gravitational Wave Astronomy at the Friedrich-Schiller-University Jena. The successful candidate will work on analytical and numerical methods for solving Einstein’s field equations of general relativity. The gravity group at Jena includes Marcus Ansorg, Bernd Brügmann, Reinhard Meinel, and Gerhard Schäfer, and also involves applied mathematician [...]

  • LHCb uses charm to find asymmetry

    Updated: 2011-11-14 19:25:42
    Scientists from the LHCb collaboration at CERN recently saw curious possible evidence of this asymmetry: The difference between the decay rates of certain particles in their detector, D and anti-D charm mesons, was higher than expected.

  • Dijkgraaf Next Director of the Institute for Advanced Study

    Updated: 2011-11-14 18:55:39
    The IAS in Princeton announced today that Robbert Dijkgraaf will take over from Peter Goddard as director starting next summer. Like Goddard, Dijkgraaf has devoted much of his career to string theory, more specifically the formal side of the subject, … Continue reading →

  • International Relativistic Astrophysics Ph.D. Erasmus Mundus Joint Doctorate Program

    Updated: 2011-11-11 16:57:04
    Following the successful scientific space missions by the European Space Agency (ESA) and the European Southern Observatory (ESO) in Chile, as well as the high energy particle activities at CERN in Genève, we have initiated a Ph.D. programme dedicated to create a pool of scientists in the field of relativistic astrophysics. After taking full advantage [...]

  • It's All About the Heat: Cooking the Perfect Turkey

    Updated: 2011-11-09 06:00:05
    : Home Education Physics Physics Search Physics Basic Concepts Theories Experiments Share Free Physics Newsletter Sign Up Discuss in my forum It's All About the Heat : Cooking the Perfect Turkey By Andrew Zimmerman Jones About.com Guide November 9, 2011 My Bio Headlines Forum RSS It's the time of the year where people around America begin their annual ritual of applied thermodynamics cooking the Thanksgiving turkey Fortunately , molecular gastronomists i.e . the chef version of mad scientists have explored ways to understand the science of how to properly cook one of these birds , and some of that information is gathered together in our Turkey Physics article . Check it out to find some suggestions about how to get the entire bird cooked to the proper . temperature : Source Lisa Peardon

  • Postdoctoral position in general relativity/quantum gravity at the University of New Brunswick

    Updated: 2011-11-07 16:44:25
    The gravitation and cosmology group at the University of New Brunswick expects up to two postdoctoral openings beginning in Fall 2012. The group consists of three faculty (Jack Gegenberg, Viqar Husain and Sanjeev Seahra), 3-4 graduate students and 2 post-docs. Our present pdfs are Dawood Kothawala and Tomasz Pawloswki. Our research interests are in classical and quantum [...]

  • Chalonge School Meudon Workshop 2012 “Warm Dark Matter Galaxy Formation in Agreement with Observations”

    Updated: 2011-11-07 16:31:28
    Ecole Internationale d’Astrophysique Daniel Chalonge 1. Summary: A Turning Point operated recently in the Dark Matter research: Warm Dark Matter (WDM) emerged impressively over Cold Dark Matter (CDM) as the leading Dark Matter candidate. WDM solves naturally the problems of CDM and agrees with the observations at small as well as large and cosmological scales. This [...]

  • Two Research Associate positions in Gravitational Astronomy at Cardiff

    Updated: 2011-10-31 20:20:08
    Cardiff Gravitational Physics group (http://www.astro.cardiff.ac.uk/research/gravity/) is seeking applications from highly motivated and competitive candidates to fill two STFC-funded postdoctoral positions. Both positions involve research into detection and measurement of gravitational waves in data from Advanced LIGO, GEO-HF and Advanced Virgo detectors and using the results to address a range of questions in fundamental physics, cosmology [...]

  • Assistant/Associate/Full Professor at LSU

    Updated: 2011-10-31 18:50:53
    The Department of Physics and Astronomy at Louisiana State University invites applications for a faculty position in physics starting in the fall of 2012. The faculty in the gravity theory group at LSU consists of Peter Diener, Robert O’Connell, Jorge Pullin, Parampreet Singh and Gabrielle Allen and Edward Seidel (both on leave at [...]

  • تحرير ليبيا

    Updated: 2011-10-31 17:46:21
    Pumpkin 2011

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