Join in expert discussion on quantum physics. Quantum physics is the mathematical description of the motion and interaction of subatomic particles. Quantum Mechanics and Field Theory.
Threads
Graduate Is the Uncertainty Principle a Limitation of Current Technology?
- nbprashanth
- · Replies 16 ·
Graduate What happens to a three-slit pattern if you detect only one slit?
- khkwang
- · Replies 10 ·
Graduate Understanding superposition and entanglement
- martyscholes
- · Replies 6 ·
Graduate How is equation 4.61 derived from n dot s in the Arbitrary Spin Operator?
- nateHI
- · Replies 3 ·
Graduate Heisenberg uncertainty derivation
- tungs10
- · Replies 3 ·
Graduate Can an observer be in a superposition?
- least_action
- · Replies 9 ·
Undergrad Where's the Photon in Electromagnetism?
- richerrich
- · Replies 5 ·
Graduate What is the derivation for the path integral formulation of quantum mechanics?
- WiFO215
- · Replies 4 ·
Graduate Path integral in coherent states
- topper
- · Replies 1 ·
Graduate Rigorous mathematical treatment of continuous eigenvalues in QM
- Goldbeetle
- · Replies 23 ·
Graduate Speed of light derived from Planck constant?
- zeusgm
- · Replies 4 ·
Graduate Particles in a negative energy region?
- nomadreid
- · Replies 1 ·
Graduate Why no Compton with Potoelectric effect?
- trizz10
- · Replies 2 ·
Graduate Significance of ((H,x),x) double commutator?
- Peeter
- · Replies 2 ·
Graduate Ionization Potential of molecules
- Karrar
- · Replies 2 ·
Graduate Energy shifts in time-independent perturbation theory
- ani4physics
- · Replies 3 ·
Graduate Energy eigenfunctions in time-independent perturbation theory
- Chopin
- · Replies 4 ·
Graduate Is the Spin 1/2 XXZ Model Integrable?
- wdlang
- · Replies 1 ·
Graduate Can spintronics overcome miniaturization limits in digital logic?
- Reylan
- · Replies 1 ·
Graduate The Definition of Waves in Quantum Mechanics
- snackster17
- · Replies 11 ·
Graduate Why do kinetic energy and position have an uncertainty relation?
- crysien
- · Replies 1 ·
Graduate What happens if two entangled particles are observed simultaneously?
- NetMage
- · Replies 2 ·
High School What is an observation or measurement?
- least_action
- · Replies 5 ·
Graduate Divergence of forward Coulomb scattering?
- Xela
- · Replies 6 ·
Graduate The normal and anomalous Zeeman effect
- Hymne
- · Replies 3 ·
Graduate What is the Relationship Between Superposition and Causality in Quantum Theory?
- Faxmachinen
- · Replies 7 ·
Graduate Is the Hard Sphere Collision Cross Section for 3-Body Systems Always Zero?
- brad sue
- · Replies 2 ·
Graduate Independent solutions of scalar wave equations
- Karthiksrao
- · Replies 3 ·
Undergrad Blog: The Fascinating Possibilities of 2D Objects in a 3D Universe
- -=Red=-
- · Replies 3 ·
Graduate Compton Effect vs. Photoelectric effect
- jordan41590
- · Replies 13 ·
Graduate Is quantum field theory really lorentz invariant?
- Sam_Goldberg
- · Replies 32 ·
Graduate Has anyone have seen this QFT book?
- prophetlmn
- · Replies 5 ·
Graduate Consciousness and the Interpretation of Quantum Mechanics
- limarodessa
- · Replies 11 ·
Graduate Why can't we use quantum bit entanglement for FTL information?
- zeromodz
- · Replies 58 ·
Graduate Energy of individual particles
- haael
- · Replies 1 ·
Tale of a Quantum Physicist in the year 2092
- Kevin_Axion
- · Replies 9 ·
Graduate Why do electrons disappear and reappear?
- JordanGo
- · Replies 5 ·
Graduate Can Atoms Be Moved and Imaged Despite Wave-Particle Duality?
- FeDeX_LaTeX
- · Replies 1 ·
Graduate How Do Bell States Compare to Total Spin States in Quantum Mechanics?
- nateHI
- · Replies 1 ·
Graduate What is the geometric phase and how does it relate to parameter space?
- mtak0114
- · Replies 5 ·
Graduate Quantum Teleportation: What Is It?
- nateHI
- · Replies 1 ·
Graduate Quantum physics concepts for fiction writing
- DrAnonymous
- · Replies 12 ·
Graduate Shouldn't Lagrangians be real (hermitian)?
- pellman
- · Replies 14 ·
Graduate Feynman integral over histories= over paths?
- nomadreid
- · Replies 6 ·
Graduate Calculating Time of Excited Electron in Ground State
- Darkmisc
- · Replies 1 ·
Graduate Why is Psi^2 not square rooted in Schroedinger's Equation?
- sujiwun
- · Replies 43 ·
Graduate In practice how do we prepare a desired quantum state?
- kof9595995
- · Replies 3 ·
Graduate What are the properties and potential uses of Bose-Einstein Condensate?
- Denver Dang
- · Replies 2 ·
Graduate Quantum mechanics theory is the most fundamental theory of nature
- zahero_2007
- · Replies 6 ·
Undergrad Whether light has mass? if yes what is the reason behind it?
- vidyanaik
- · Replies 17 ·
Graduate Form Factors of Elementry Particles
- chis
- · Replies 1 ·
Graduate Is there a general prescription for commutators?
- pellman
- · Replies 12 ·
Graduate Is A a Linear Operator and Hermitian in Quantum Mechanics Postulate 2?
- PAPquestions
- · Replies 2 ·
Graduate Diagonalize operator A by matrix S
- Abrar Quadery
- · Replies 1 ·
Graduate How to change unit of quantum to energy
- amelynn
- · Replies 2 ·
Graduate Relating the angular momentum with lapacian
- calculus_jy
- · Replies 7 ·
Graduate Why doesn't quantum tunneling allow particles to appear inside the barrier?
- NetMage
- · Replies 9 ·
Graduate Does a positron absorb a Photon?
- filegraphy
- · Replies 2 ·
Graduate How Can B Hatfield's Book Clarify QFT Through Solved Examples?
- sanko
- · Replies 3 ·
Graduate Books on quantum physics and string theory for non-specialists
- ivan86s
- · Replies 1 ·
Graduate Is Quantum Mechanics Understandable for a Ninth Grader?
- jswu1996
- · Replies 4 ·
Graduate Uncertainty Principle: How Does Position Depend on Photon Wavelength?
- zodas
- · Replies 5 ·
Graduate When does the wavefunction collapse?
- Sam_Goldberg
- · Replies 6 ·
Graduate Can quantum physics measure thoughts and emotions?
- illism
- · Replies 21 ·
Graduate Is Heisenberg principle applicable to a photon?
- fluidistic
- · Replies 3 ·
High School Light dying while traveling in space?
- JordanGo
- · Replies 10 ·
Graduate The speed of light, gravity, strong force, weak force
- LongOne
- · Replies 9 ·
Graduate Notation question for density matrix
- skynelson
- · Replies 4 ·
Graduate How to measure particle momentum from deflection angle without knowing position
- LarryS
- · Replies 18 ·
Graduate Expectation value of momentum in discrete states
- Heirot
- · Replies 7 ·
Graduate Can Quantum Computers Become a Reality?
- nishu1988
- · Replies 1 ·
Graduate Understanding Anti-Symmetric Tensor Expression
- ismaili
- · Replies 2 ·
Undergrad How Close Do Molecules Get When Two Objects Are Touching?
- PhanthomJay
- · Replies 8 ·
Graduate Why isn't the Pauli equation equivalent to the Schrodinger equation?
- pellman
- · Replies 8 ·
Graduate Can Quantum Entanglement Revolutionize Communication Technology?
- NetMage
- · Replies 30 ·
Graduate Can Non-Differentiable Space-Time Be Described Mathematically?
- nomadreid
- · Replies 15 ·
Graduate Zernike Polynomials Applied to Schrondinger's Equation
- sujiwun
- · Replies 1 ·
Graduate Calculating the Commutator of x and p - Problem Discussion
- lihurricane
- · Replies 3 ·
Graduate Computing the commutator [X̂², P̂²] gives a non-Hermitian result
- antibrane
- · Replies 5 ·
Graduate Electron Orbital: Learn About Probability and Bounds
- mishima
- · Replies 4 ·
Graduate Understanding Mixed States, Pure States
- skynelson
- · Replies 11 ·
Graduate Local Realistic in 4-Space Sliced to 3+1 Nonlocal
- inflector
- · Replies 2 ·
Graduate How Does the Exclusion Principle Affect Energy Levels in Electron Spin States?
- alle.fabbri
- · Replies 1 ·
Graduate What is a bilateral binary rotation?
- TimH
- · Replies 3 ·
Graduate Phase space and the quantum Liouville theorem
- skynelson
- · Replies 1 ·
Graduate How do antiparticles behave in the presence of gravity?
- AlexPeltser
- · Replies 6 ·
Graduate Contemplating an apparent paradox in the classic double slit experiment.
- mrspeedybob
- · Replies 13 ·
Graduate QHO ladder operator coefficient from Griffiths
- relativist
- · Replies 4 ·
Graduate Does black hole evaporation violate conservation of Baryon Number?
- JDługosz
- · Replies 5 ·
Graduate Are Static EM Fields in QED Composed of Virtual Photons?
- Ancient_Nomad
- · Replies 1 ·
Graduate Can Superposition Occur in Particles?
- Parbat
- · Replies 2 ·
Graduate Collapsing a wave function by measurement
- ricegrad
- · Replies 1 ·
Graduate Double slit experiment / Quantum interferometer
- Sherlock_H
- · Replies 9 ·
Graduate Quantum level working of IR sensor
- eptheta
- · Replies 30 ·
Graduate Continuous symmetries (Srednicki)
- LAHLH
- · Replies 1 ·
Graduate Where can I find good resources about quantum computing?
- NintendoKD
- · Replies 1 ·
Graduate Can Electrons and Photons Move in Curved Paths in Space?
- clm321
- · Replies 2 ·
Undergrad What is a joule second in physics?
- cnidocyte
- · Replies 3 ·
Graduate Sine waves and 4th derivative and 4 dimensional space-time relationship?
- ThePhysicsGuy
- · Replies 1 ·
Graduate Virtual Paricles and the Laws of Conservation
- filegraphy
- · Replies 3 ·