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 Direct products in quantum mechanics
- RedX
- · Replies 1 ·
Graduate G-factor Relation to Energy Perturbations
- QuantumClue
- · Replies 3 ·
Graduate Green's Functions & Density of States
- Master J
- · Replies 6 ·
Graduate Why discontinue(quantum)characteristic ultimately relates with probability in QM?
- ndung200790
- · Replies 7 ·
Graduate Is all electromagnetic radiation quantized?
- harrylin
- · Replies 25 ·
Graduate Positronium, Hydrogen, Schrodinger Equation
- andrewr
- · Replies 18 ·
Graduate Is There an Alternative to Anti-Commutation for Quantizing Fermions?
- kof9595995
- · Replies 2 ·
Graduate Linear Equations & Quantum Mechanics
- StevieTNZ
- · Replies 4 ·
Graduate What stage are we at in Quantum Mechanics?
- bugatti79
- · Replies 10 ·
Graduate How are entangled particles captured and contained?
- waylon318
- · Replies 6 ·
Graduate Exploring Hot Research in Theoretical Quantum Optics/Cavity QED
- physland
- · Replies 2 ·
Graduate Energy Transferred to Electrons: What Happens When It's Not Enough?
- _PJ_
- · Replies 3 ·
Graduate Are there degrees of quantum entanglement?
- CosmicVoyager
- · Replies 4 ·
Graduate Boundedness of quantum observables?
- A. Neumaier
- · Replies 174 ·
Graduate Stern Gerlach Experiment, bra(c)kets etc
- bugatti79
- · Replies 2 ·
Graduate How is a quantum computer simulated?
- TriKri
- · Replies 1 ·
An awesome video on the double slit experiment
- Forestman
- · Replies 7 ·
Graduate How many periods of a photon are involved in proton energy level transistion?
- fred1234
- · Replies 3 ·
Graduate Validate Bohr Radius: Challenges Creating Metallic Hydrogen
- HarryWertM
- · Replies 10 ·
High School What is the Concept of a Potential Well?
- Bassalisk
- · Replies 1 ·
Graduate Why is subatomic behavior quantized instead of continuous?
- Forestman
- · Replies 12 ·
Graduate Who is Richard Borcherds and What is His Contribution to QFT?
- mitchell porter
- · Replies 10 ·
Graduate Density Functional Theory and the Local Density Approximation
- JMedley
- · Replies 8 ·
Graduate Investigating Two-Photon Decay in Hydrogen Atoms and Hydrogen-Like Ions
- zincshow
- · Replies 4 ·
Graduate I am working out of Sakurai and he says the integral with respect to
- Berko
- · Replies 5 ·
Undergrad Heat of a solid under high pressure
- dBrandon/dC
- · Replies 1 ·
Graduate Grover's Algorithm: is it really a search algorithm
- gulsen
- · Replies 11 ·
Undergrad Orientation of Lowest Energy Photons from Hydrogen
- HarryWertM
- · Replies 3 ·
Undergrad Compton scattering: electron absorbs then emits a photon?
- Physicist
- · Replies 13 ·
Graduate Schrodinger's equation for H atom Some questions
- McLaren Rulez
- · Replies 5 ·
Graduate Problems understanding photons
- lazarus1907
- · Replies 7 ·
Graduate Can quantum field theory explain the g-factor in the Dirac equation?
- kof9595995
- · Replies 14 ·
Graduate Virtual Particles and Radioactivity
- Blair Nelson
- · Replies 15 ·
Graduate Entangled Lotto: Simulating Mermin's Bell Gedanken Experiment
- rlduncan
- · Replies 1 ·
Graduate Are Stern-Gerlach Filters Modeled by Hermitian Operators in Quantum Mechanics?
- Ray
- · Replies 1 ·
Graduate Reflection and Transmission Matrix for a 2x2 Hamiltonian in a Conducting Channel
- sokrates
- · Replies 1 ·
Graduate What Are the Key Concepts and Equations in Quantum Field Theory?
- StevieTNZ
- · Replies 9 ·
Graduate Are Fourier Transforms Truly Unique in Non-Covariant Gauges?
- RedX
- · Replies 19 ·
Graduate Quantum mechanical civilization
- alvarogz
- · Replies 4 ·
Undergrad Why is a photon released when an electron moves to a more stable level
- bobsmith76
- · Replies 4 ·
Graduate LSZ reduction coeffs etc (Srednicki)
- LAHLH
- · Replies 10 ·
Graduate Mathematical models, the 'real world' and quantum mechanics
- BernieM
- · Replies 7 ·
Graduate Generating Functional for Yukawa Interactions
- Phileas.Fogg
- · Replies 1 ·
Graduate Genereral:Questions about Srednicki's QFT
- haushofer
- · Replies 85 ·
Graduate Node and Nodless wavefunction?
- new_986
- · Replies 3 ·
Graduate Understanding Weyl Rule: A Comprehensive Guide with References and Equations
- MathematicalPhysicist
- · Replies 3 ·
Graduate How do i perform a measurement of a many body system?
- spocchio
- · Replies 3 ·
Graduate Is Planck's Original Deduction Correct by Today's Physics Standards?
- aleazk
- · Replies 7 ·
Graduate What happens to electron spin under Lorentz transformation?
- alemsalem
- · Replies 4 ·
Graduate What is observable in a relativistic quantum field theory?
- A. Neumaier
- · Replies 26 ·
Graduate Meaning of SO(4) - SU(2)xSU(2)
- IRobot
- · Replies 12 ·
Graduate The maximum size of an object which can be teleported
- Dmitry67
- · Replies 30 ·
Graduate Wavefunction squared is Prob. Density?
- shredder666
- · Replies 9 ·
Graduate Dot product within the commutator
- sheelbe999
- · Replies 15 ·
Graduate Need help with bra-ket algebra? Check out these resources!
- mess1n
- · Replies 1 ·
Graduate How Did Quantum Field Theory and Renormalization Address Infinities in Physics?
- crisis
- · Replies 1 ·
Graduate What are the equations for angular momentum?
- AdrianMay
- · Replies 2 ·
Graduate Quantum entanglement vs relativity of time
- jackfield
- · Replies 9 ·
Graduate Covariant derivative in gauge theory
- ismaili
- · Replies 8 ·
Graduate Can we prove that there is a maximal complete set of commuting
- pythagoras88
- · Replies 3 ·
Graduate Why don't atoms self-destruct?
- QuantumClue
- · Replies 6 ·
Graduate What Are the States in Quantum Field Theory?
- Azrael84
- · Replies 147 ·
Graduate Understanding Quantum Numbers and Their Limits in Particle States
- UndeniablyRex
- · Replies 1 ·
Undergrad I2 Gas Molecules: Uncertainty in the Double Slit Experiment?
- FredT
- · Replies 3 ·
Graduate Delayed choice and information erasure
- Upisoft
- · Replies 51 ·
Graduate Unveiling the Connection Between SR and Multiparticle Picture in QM
- qsa
- · Replies 3 ·
Graduate New Feynman Rules in QED from Counterterms
- blackie1008
- · Replies 4 ·
Graduate Solve Gaussian Integrals: QFT Explained & Math Book for Physicists
- RedX
- · Replies 3 ·
Graduate Conditions for translational invariance in space/time for a 2-point function?
- AJS2011
- · Replies 6 ·
Graduate Where can I learn how to manipulate operators?
- k4ff3
- · Replies 7 ·
Graduate Quantum Optics and Coherence Functions
- Niles
- · Replies 20 ·
Undergrad Correct units to derive Ryberg Constant in ev
- BWV
- · Replies 6 ·
Graduate How Is Spatial Coherence Derived from Heisenberg's Uncertainty Principle?
- Gavroy
- · Replies 1 ·
Graduate Field is more fundamental than particles
- exponent137
- · Replies 28 ·
Graduate Question about the Pauli exclusion principle.
- alemsalem
- · Replies 4 ·
Graduate Gauge symmetry for spin 1/2 fields
- Lapidus
- · Replies 14 ·
Graduate What was the quantum state at t=0 (big bang). Many thanks.
- thenaturalist
- · Replies 2 ·
Graduate Entagled pair and speed of light
- edpell
- · Replies 2 ·
Graduate Riemann vs. Lebesgue integral in QM
- AxiomOfChoice
- · Replies 12 ·
Graduate Operator-Valued Functions in Quantum Field Theory: Degrees of Freedom?
- plasmon
- · Replies 1 ·
Graduate Can an operator change a wave equation without changing the system?
- ShayanJ
- · Replies 9 ·
High School How to explain uncertainty principle to a freshman
- yxgao
- · Replies 11 ·
Graduate Double Slit Exp: What Really Happened?
- pb23me
- · Replies 1 ·
Graduate Why quantum field theory is not called quantum mechanics of changeable number particl
- ndung200790
- · Replies 10 ·
Graduate Constructing Physical Asymptotic States in \phi^{4} Theory: A Rigorous Approach
- A. Neumaier
- · Replies 29 ·
Graduate Many Boson Wavefunction (Non-Interacting)
- Master J
- · Replies 1 ·
Graduate Joy Christian's disproof of Bell
- ajw1
- · Replies 70 ·
Graduate How Can Wick's Theorem Be Applied to Schwinger-Dyson Equations?
- mhill
- · Replies 2 ·
Graduate What Are the Key Controversies in Quantum Measurement Theory?
- A. Neumaier
- · Replies 102 ·
Graduate Novice question on Quantum Mechanics
- Gunner B
- · Replies 4 ·
Graduate Does the wave–particle duality apply only to electrons and photons?
- Femme_physics
- · Replies 16 ·
Graduate Understanding Second Quantization and Its Application in Quantum Mechanics
- QuantumClue
- · Replies 1 ·
Graduate Spin Triplet of Ortho Helium - Why Total Spin is 1?
- Master J
- · Replies 3 ·
Graduate Does photon spin imply its polarization
- a2009
- · Replies 1 ·
Graduate Quantum Coherence - matter or energy?
- sci-guy
- · Replies 3 ·
Graduate DBB vs EPR & GHZ: Questions & Answers
- Dmitry67
- · Replies 5 ·
Undergrad Some very simple double slit experiment questions
- pbudz
- · Replies 4 ·
Undergrad Mystery history of double-slit experiment with electrons
- crx
- · Replies 3 ·
Graduate Are spin-up and spin-down electrons distinguishable or indistinguishable?
- wdlang
- · Replies 5 ·
Graduate Quantum Exam Review: Answers & Info to Questions
- NepToon
- · Replies 4 ·