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.
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Graduate Forces unified at the time of the big bang
- nuby
- · Replies 6 ·
Graduate Does quantum teleportation destroy the original particle?
- Vraid
- · Replies 6 ·
Graduate Partial quantum / partial classical?
- exmachina
- · Replies 8 ·
Graduate The effect of wavefunction collapse on spacetime?
- asimov42
- · Replies 23 ·
Graduate Effect of changes in Stern-Gerlach fields
- bunburryist
- · Replies 2 ·
Graduate Wave Interference and the Double-Slit Experiment
- mysearch
- · Replies 6 ·
Graduate Schrodinger Equation for a central 2D potential
- EliotHijano
- · Replies 2 ·
Graduate Are time and space created from quantum fields?
- redhedkangaro
- · Replies 5 ·
Undergrad What is the Yukawa potential and what does it represent?
- GAGS
- · Replies 2 ·
Graduate Derivative Terms of Effective Action
- TriTertButoxy
- · Replies 1 ·
Graduate Created from quantum mechanics
- redhedkangaro
- · Replies 3 ·
Graduate Why Is Quantum Contact Conductance Maximized at 2*q^2/h Even Without Scattering?
- chenhon5
- · Replies 5 ·
Graduate What is the Significance of the Planck Length-to-Mass Ratio in Quantum Physics?
- delplace
- · Replies 6 ·
Graduate Spinors and spatial coordinates
- nobody101
- · Replies 6 ·
Graduate Measuring field observables versus projection operators in quantum optics
- Peter Morgan
- · Replies 12 ·
Graduate Complex scalar fields and antiparticles in quantization
- captain
- · Replies 2 ·
Graduate Does Measuring One Entangled Electron Affect the Other?
- WendyE
- · Replies 18 ·
Graduate Is the ground state of a negative potential always even?
- OB1
- · Replies 1 ·
Undergrad Why is the operator <p> considered real in calculus?
- chingcx
- · Replies 4 ·
Graduate Time ind. S.E., qualitative solution
- jalalmalo
- · Replies 3 ·
Graduate Schrodinger equation from commuation relations
- erkokite
- · Replies 4 ·
Graduate Numerially integrate the radial schrodinger equation
- wdlang
- · Replies 5 ·
Graduate Beta function and anomalous dimension in λφ² theory
- Phileas.Fogg
- · Replies 2 ·
Graduate Exponent of disconnected Feynman diagrams
- malawi_glenn
- · Replies 3 ·
Graduate Does the Quantum Eraser Experiment Truly Erase Information or Alter Causality?
- Cemre
- · Replies 16 ·
Graduate Lengendre Polynomials of cos(theta)
- pcalhoun
- · Replies 2 ·
Graduate How Many Parallel Worlds Are There?
- Dragonfall
- · Replies 12 ·
Graduate Understanding SU(N) Representations and Subgroups
- RedX
- · Replies 2 ·
Graduate Linear Superposition of Hamiltonians
- wofsy
- · Replies 1 ·
Graduate What Are the Parity Requirements for a Three-Fermion System?
- Niles
- · Replies 7 ·
Graduate Can Quantum Mechanics accurately explain all atomic transitions?
- MonsieurWise
- · Replies 1 ·
Graduate Why does the wavefunction collapse during measurement?
- hydrojet2005
- · Replies 38 ·
Graduate Gravity across Multiple Dimensions
- Cale C.
- · Replies 2 ·
Graduate Quantizing Fields: Establishing Commutation Relations
- captain
- · Replies 9 ·
Graduate Is this a valid example of macroscopic quantum behavior?
- Count Iblis
- · Replies 26 ·
Graduate What is the physical significance of Ehrenfest's theorem?
- kehler
- · Replies 8 ·
High School What is virtual energy level ?
- magnetar
- · Replies 1 ·
Graduate Photon spin - where is the missing state?
- reggeon
- · Replies 13 ·
Graduate Bound states and Current density
- somy
- · Replies 1 ·
High School What is the role of the neutron in atomic structure?
- mintparasol
- · Replies 3 ·
Graduate Spin Selection Rule: Russell-Saunders vs. JJ Coupling
- djclub2005
- · Replies 2 ·
Graduate Is There a Time Order Behind Quantum Entanglement According to Antoine Suarez?
- bankknab
- · Replies 44 ·
Graduate Something to do with space being time 0.o
- Mr.Matt
- · Replies 4 ·
Graduate Understanding Particle Superposition in the Schrodinger Equation
- karkas
- · Replies 4 ·
Graduate Radioactive decay and relativity
- curiousOne
- · Replies 8 ·
Graduate Applications of Schrodingers Equation
- Winzer
- · Replies 8 ·
Undergrad Bell's inequality and how it's tested
- cragar
- · Replies 5 ·
Graduate Quantum Computors: Learn How They Work & Uncertainty Principle
- T.O.E Dream
- · Replies 2 ·
Graduate Proving the Renormalization of Phi^4 Theory: A Challenge for Mr. Fogg
- Phileas.Fogg
- · Replies 3 ·
Graduate Double slit photon deflection
- Pjpic
- · Replies 16 ·
Graduate What is spin? i have a vague idea but im not very sure about it
- kashiark
- · Replies 8 ·
Graduate Identifying unknown gas from emission spectrum using quantum numbers
- MonsieurWise
- · Replies 2 ·
Graduate Does a c-not gate conserve angular momentum?
- Phrak
- · Replies 8 ·
Undergrad If a wavefunction can only collapse onto a few eigenstates
- kehler
- · Replies 9 ·
Graduate Quantum Teleportation and Fusion
- menergyam
- · Replies 3 ·
Graduate Advice needed for science project.
- MonsieurWise
- · Replies 2 ·
Graduate How did Heisenberg derive position and momentum from spectral matrices?
- Pollock
- · Replies 4 ·
Graduate How to compute Hydrogen Inner Products <n,l+1,m+1|n,l-1,m+1>?
- maverick280857
- · Replies 2 ·
Undergrad Video Lectures on Statistical Physics and Quantum Physics
- neumann
- · Replies 1 ·
Graduate Light in electrostatic potential
- lightarrow
- · Replies 3 ·
Undergrad What happens to the metal atom after the photoelectric effect?
- Dannyinjapan
- · Replies 32 ·
Graduate What's the significance of using a Gaussian wave packet in Quantum Mechanics?
- TheDestroyer
- · Replies 7 ·
Graduate Speciality of position momentum representation
- neelakash
- · Replies 8 ·
Undergrad What are quantum fields made of?
- Pjpic
- · Replies 10 ·
Graduate Spinor index notation craziness
- TriTertButoxy
- · Replies 1 ·
Graduate How Do Particles Form Atoms in Light of Heisenberg's Uncertainty Principle?
- Sicewa
- · Replies 6 ·
Graduate Why do particles act like waves
- Pjpic
- · Replies 10 ·
Graduate What Are the Experimental Foundations of Quantum Mechanics?
- maze
- · Replies 11 ·
Undergrad Can Quantum Mechanics Explain Biology?
- Karl G.
- · Replies 13 ·
Graduate How does Classical Determinism Result from QM?
- Karl G.
- · Replies 6 ·
Graduate Proving a Hermitian matrix has real eigenvalues and orthogonal eigenspinors
- eman2009
- · Replies 1 ·
Graduate Gaseous system: Meaning of this integral eq.
- jam_27
- · Replies 1 ·
Graduate Is the Time Derivative Term in the Schrodinger Equation Hermitian?
- neelakash
- · Replies 1 ·
Graduate What Is Entanglement Beyond Bell's Photon Experiment?
- Karl G.
- · Replies 1 ·
Graduate Force Carriers - How do they work?
- daisey
- · Replies 3 ·
Graduate Can the Fine Structure Constant Be Calculated from First Principles?
- intervoxel
- · Replies 1 ·
Graduate Does the particle state matter if we cannot observe it?
- ArielGenesis
- · Replies 204 ·
Graduate Classical limit of the path integral
- exmachina
- · Replies 1 ·
Undergrad How Can We Prove E=hf Using Basic Physics Knowledge?
- killer120
- · Replies 5 ·
Undergrad Light Wavelength increases over a distance
- DeepSeeded
- · Replies 8 ·
Graduate Can the Future Influence the Past in Quantum Measurements?
- kkapalk
- · Replies 13 ·
Graduate Understand Wavefunction - Quantum Mechanics Help Needed
- electrogluon
- · Replies 17 ·
Graduate Prove zero point energy without calculation?
- Gerenuk
- · Replies 4 ·
Graduate Should we think a free particle as a particle in an infinitely big box?
- nathatanu0
- · Replies 3 ·
Graduate Integration on the way to Generating Functional for the free Dirac Field
- Phileas.Fogg
- · Replies 3 ·
Graduate Is the wave/particle duality of electrons what causes vibrations/sounds?
- Muaddib
- · Replies 6 ·
Undergrad What is the reduced mass effect on recombination lines?
- MonsieurWise
- · Replies 10 ·
Graduate Measurement/observation in QM
- E92M3
- · Replies 1 ·
Graduate Finding the Mystery gas questions
- MonsieurWise
- · Replies 2 ·
Graduate Deriving the Dirac equation from an action principle
- Ben Niehoff
- · Replies 12 ·
Graduate How do evanescent waves carry energy in resonant coupling?
- Phinks
- · Replies 2 ·
Graduate How does a detector at one slit destroy interference in double slit experiment?
- Artlav
- · Replies 15 ·
Graduate Dirac Equation for a moving square potential well
- haaj86
- · Replies 2 ·
Graduate Effect of the raising operator on an l=1 m=1 state
- neish88
- · Replies 2 ·
Graduate Can electrons violate Hund's rule in excited states?
- dougz
- · Replies 7 ·
Graduate Probability of simultaneous measurements of momentum and position
- Karl G.
- · Replies 3 ·
Graduate What happen to a single photon entering a PBS.
- islahna
- · Replies 9 ·
Graduate What is the Significance of the Overall Phase in Quantum Mechanics?
- KarateMan
- · Replies 6 ·
Graduate Why Normalization Factors in Fourier Transform Pairs?
- fisico30
- · Replies 3 ·
Graduate Speed of Light: Does a Photon Move Faster or Slower?
- captain
- · Replies 5 ·