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 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 Question about Renormalization Group Equation
- 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 Quantum Collapse: Unravelling the Mechanics
- 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 Ehrenfest Theorem: Significance & Relation to Space-Time
- 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 Unravelling the Mystery of the Neutron
- 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 Explain Bell's Inequality & Test in Basic Terms
- 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 Discovering Unknown Gases: Using Quantum Numbers for Spectrum Analysis
- 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 Early Development of Matrix Mechanics: Frequencies, Intensities & Electrons
- 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 Electron vs Photon: The Photoelectric Effect Explained
- 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 Fields: What Are They 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 Hermition Matrix Real & Eigenvalues/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 Understanding the Cat in a Box Paradox
- 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 Reduced Mass Effect on Recombination Lines Explained
- 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 Evanescent Wave Coupling & Quantum Tunneling
- Phinks
- · Replies 2 ·
Graduate Double slit experiment: counter?
- 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 Examining Violations of Hund's Rule in Electron Configurations
- 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 ·
High School Are electrons wave or a particle?
- benzun_1999
- · Replies 80 ·
Undergrad Figuring out the frequency of light using a solar cell
- hover
- · Replies 1 ·
Graduate Energy & Time, Momentum & Position
- LarryS
- · Replies 7 ·
Graduate What part of the Dirac field is anticommutating?
- RedX
- · Replies 3 ·
Graduate Discrete energy level of schrodinger's equation
- feynmann
- · Replies 8 ·
Graduate The question of the CPT(coherent population trapping)
- zhangry123
- · Replies 1 ·
Graduate How can a point particle spin?
- Sumo
- · Replies 24 ·
Graduate Optical polarization conversion
- lichen
- · Replies 1 ·
Graduate What is the shape of an electron in an atom?
- Silverback88
- · Replies 3 ·
Graduate Peskin Schröder Chapter 7.1 Field Strength Renormalization
- Phileas.Fogg
- · Replies 3 ·
Graduate Understanding Randomness in Quantum Mechanics (QM)
- Descartz2000
- · Replies 11 ·
Graduate Bound states in relativistic quantum mechanics
- AxiomOfChoice
- · Replies 1 ·
Graduate General Modern Physics questions
- newguy1234
- · Replies 2 ·
Graduate Lowest-order correction for the bendulum
- eman2009
- · Replies 1 ·
Graduate What is principal value integral?
- xylai
- · Replies 3 ·
Graduate Sum of two slater determinants
- wdlang
- · Replies 7 ·