qtf_observables

Mathematical Quantum Field Theory - Observables

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The following is one chapter in a series on Mathematical Quantum…
dna_stretch

New Research on Untying Knots in Polymers

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A joint computational-experimental paper that I worked on was…
qtf_symmerities

Mathematical Quantum Field Theory - Symmetries

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The following is one chapter in a series on Mathematical Quantum…
qft_lang

Mathematical Quantum Field Theory - Lagrangians

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This is one chapter in a series on Mathematical Quantum Field…
qtf_field_variations2

Mathematical Quantum Field Theory - Field Variations

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This is chapter 4 of a series on Mathematical Quantum Field Theory. The…
dna_twist

Using the Spaghetti-Twist to Align DNA

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A new paper from a collaboration of Canadian physicists has demonstrated…
qtf_fields

Mathematical Quantum Field Theory - Fields

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The following is one chapter in a series on Mathematical Quantum…
qft_spacetime

Mathematical Quantum Field Theory - Spacetime

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The following is one chapter in a series on Mathematical Quantum…
qtf_geometry

Mathematical Quantum Field Theory - Geometry

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This is the first chapter in a series on Mathematical Quantum…
quantumfieldtheory

A First Idea of Quantum Field Theory - 20 Part Series

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These notes mean to give an expository but rigorous introduction…
circuitanalysis

The What and Why of Circuit Analysis Assumptions

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Probably everyone reading this article already has an education…

A Journey to The Manifold SU(2) - Part I

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Part 2   Differentiation, Spheres and Fiber Bundles Image…
perturbation

Introduction to Perturbative Quantum Field Theory

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This is the beginning of a series that gives an introduction…
quantumpeace

How I Stopped Worrying and Learned to Love Orthodox Quantum Mechanics

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Many people here know that I am a "Bohmian", i.e. an adherent…

15 of the Best PF 2017 Eclipse Photos

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The 2017 August Eclipse really was something special. Fortunately…
inflation5

A Poor Man's CMB Primer. Part 5: Quantum Seeds

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  The CMB establishes a record of ancient acoustic…
mathoperators

How to Tell Operations, Operators, Functionals and Representations Apart

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All these concepts belong to the toolbox of physicists. I read…
epsresults

Results Shown at EPS Conference

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The EPS conference was a week ago, and many new results and future…
m-theory

Super p-Brane Theory Emerging from Super Homotopy Theory

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  A notorious open problem: What is the non-perturbative…
EdmondHamilton

Assessing the Physics in Edmond Hamilton's "The Second Satellite"

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This article won't contain much about physics that typical readers…
entanglement_entropy2

Entanglement Entropy – Part 2: Quantum Field Theory

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Part 1: Quantum Mechanics [This article expects the reader…
dampedforces

Damped Motion in Classical and Quantum Mechanics

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This Insights article is about dissipative forces (friction,…
SpectralParadox

Exploring the Spectral Paradox

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In terms of wavelength, peak solar radiation occurs at about…
undergradresearch

Niches for Publishable Undergraduate Research

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Undergraduate interest in research is a good thing; it's even…
coldquestioning

Very Little Excuse To Ask A Question Cold

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We frequently get questions such as these: "What is energy?" "What…
entanglement_entropy

Entanglement Entropy - Part 1: Quantum Mechanics

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Quantum Mechanics(QM) is one of the greatest intellectual achievements…
physicslab

Revamping Undergraduate Introductory Physics Laboratory

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This is a compilation of my blog entry on this singular "project"…
cameralense

New High Performance Ultra-wide Angle Lenses

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Note, unless otherwise specified, all focal lengths are in terms…
diffractiontheory

The Diffraction Limited Spot Size with Perfect Focusing

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Purpose:  The purpose of this Insights article is to give…
learned

What Is The Most Important Thing That You Learned?

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I mentioned in an earlier Insight on what I think are the most…
cornuspiral

Frenet Equations in 2-D Which Result in the Cornu Spiral

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This Insights article is intended as an introduction to the Frenet-Serret…
experimenthistory

History's First Science Experiments

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In this Insight I'm going to talk about two of the first science…
boatramps

Real Research in Unexpected Places - Boat Ramps

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Read part 1 -Backyards, Barns, Bayous Real Research in Unexpected…