Quantum Physics Forum

Graduate Vacuum fluctuations of a free field and closed diagrams

Graduate Cartoon picture of Hawking Radiation-is it accurate?

Graduate The dimensionality of an operator?

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Graduate How can you describe the observing system mathematically?

Graduate What are equations 5.1.10 and 5.1.11 in Shankar page 153?

Graduate What Is an Element of Reality?

Graduate Can Quaternion and Pauli Matrix algebra be linked in EM course?

Graduate How are Planck units derived and what are their values?

Graduate Where can I found explanation on Bell's Inequality ?

Graduate Linear superposition of single-particle states

Undergrad If matter = Energy, and matter can be turned into energy

Graduate How do particles become entangled and does information transfer instantly?

Undergrad Schrödinger's Kittens and the Search for Reality

Graduate Solving Photon Problems: Energy Conservation Questions

Graduate Can Quantum Mechanics be seen as pure geometry ?

Graduate Can virtual particles exist if they cannot be observed?

Graduate Can Hydrogen Fusion and Helium Fission Provide an Endless Energy Source?

Graduate Is the WKB Approach Valid for High Mass Particles in Quantum Mechanics?

Graduate Can two photons interfere with each other

High School What is the basis of photon polarization?

Undergrad Discussing Physics and Universe Formation

Graduate Violation of symmetry and conservation

Graduate Why does superposition make quantum computers faster?

Graduate Photons (compton effect, pair production)

Graduate How do we know that Quantum Mechanics is right?

Graduate How does spontaneous breaking symmetry occur in quantum mechanics?

Graduate What are mass dimensions of fields in quantum field theory?

Graduate Spinor fields and spinor wave functions

Graduate Superposition of Time Evolutions

Graduate Pair Production: Why Not in Empty Space?

Graduate Anthropic Multiverse Origin of Life

Graduate Quantum Mechanics and the Kochen-Specker Theorem

Graduate Can Photons Interfere After Passing Through a Calcite Crystal?

Graduate Does energy conservation hold if eigen-energies are multiplied by probabilities?

Graduate Why can't Spooky action send FTL information?

Graduate Photon Wave Functions: Beyond the Wave/Particle Duality

Graduate Why does the Klein-Gordon Fourier expansion lead to equation 2.21 in Peskin & Schroeder?

Graduate Dirac equation from random walk

Graduate Quantum Fizz is so counterintuitive

Graduate How has quantum physics evolved over time?

Graduate Which Quantum Field Theory Books Are Best for Condensed Matter Physics?

Undergrad Why Does Wave Group Size Affect Wavelength Range?

Undergrad Wave Formula Differs in 3-D | Why?

Graduate Some questions on the Dyson expansion of the S matrix

Undergrad Determine the velocity of an electron orbiting an atom ?

Graduate Referencess on Dynamical Symmetry Breaking

Undergrad How Does a Current-Carrying Loop Behave in a Magnetic Field?

Graduate Why use normal ordering in QFT if it makes vacuum expectations vanish

Graduate Is it possible to stablize positrons,hyperons and muons

Graduate How can causality work instantly over a distance without absolute simultaneity?

Graduate Stablizing Exotic atoms Impossible?

Graduate Classical example that presents quantum aspects

Graduate Why are Hydrogen Orbitals Asymmetrical Despite a Spherically Symmetric Problem?

Graduate What does Quantum Physics tell us?

Graduate What is light a wave in according to quantum mechanics?

Graduate Understanding "Oscillators in Cavity Walls

Graduate What Keeps Discrete Spacetime Together at GR Scales?

Graduate Any photon is a spin 1 particle

Graduate Trying to understand how two particles interact

Graduate Is Planck length a minimum physical length or just a measurement limit?

Graduate Classical fields and quantum fields

Graduate Is There a Flaw in Bell's Theorem?

Graduate How does entanglement manifest itself?

Graduate Delayed Choice exp and Cause-Effect

Graduate Why doesn't the electromagnetic field appear in beta decay diagrams?

Graduate Quantum harmonic oscillator system

Graduate Difference between measurement and interaction

Graduate Relativity, confinement and Quantum Mechanics

Graduate High Rez EMF Mapping: Seeking Advice

Graduate Where does Unruh radiation appear in quantum electrodynamics?

Graduate What Maths Do You Need to Learn Quantum Mechanics?

Graduate Does the wavefunction collapse for blind persons?

Graduate The title of the webpage could be: What is the speed of disentanglement?

Graduate Can two parallel light rays measure position and momentum without uncertainty?

Graduate No-cloning principle vs measurement: entropy cost in detecting entangled spins

Graduate Concerning psi and black holes

Graduate Why is the position expectation value zero for a harmonic oscillator in its ground state?

Graduate Electric Charges Scatter Light

Graduate Is Quantum Gravity Simply the Result of Space-Time Curvature?

Graduate Half silvered mirror experiments

Graduate Quantum Tunnelling and Spacetime

Graduate Is the Heisenberg Uncertainty Principle Limited to Momentum?

Graduate How Does Quantum Gravity Connect Relativity and Quantum Mechanics?

Graduate What would Lorentz violation mean for extra dimensions?

Graduate On a consequence of quantanization of energy

Graduate Where Can I Find Free Resources on the Gross-Pitaevskii Equation?

Graduate Do Matter Waves Travel Faster Than Light?

Graduate Does quantum theory make bizarre events possible?

Graduate Understanding Linear Vector Spaces for System Representation

Graduate Under what conditions will quantum effects become important for gravity?

Graduate Ladder Operator Theorem: Uniting Operators Through Unitary Transformations

Graduate Why does specifying position and velocity fully describe a classical system?

Graduate How does Ehrenfest's theorem illustrate the correspondence principle?

Graduate Trouble understanding how charge density is the amplitude squared

Graduate Do pinholes work in double-slit experiments like slits do?

Graduate Physical meaning for wavefunction

Graduate Why isn't the constant force problem in QM classes?

Graduate Anomalies of wave particle duality

Graduate Difficult geometries - Casimir Effect

Graduate Is renormalization in QFT hand-waving or a fundamental procedure?