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 Absorption and Re-emission of light in an atom
- nikhil padavala
- · Replies 1 ·
Graduate Will 2 newly formed wave-packets be entangled?
- Adel Makram
- · Replies 4 ·
Graduate Is the given 1-D potential an example of a bound state?
- dyn
- · Replies 1 ·
Graduate How to Handle Expectation Value of 1/(1+x) in Quantum Mechanics?
- blue_leaf77
- · Replies 12 ·
Graduate Superposition of spherical harmonics
- Raman Choudhary
- · Replies 3 ·
Graduate Understanding Inner Product in Infinite Dimensional Bases
- amjad-sh
- · Replies 6 ·
Graduate Solution to the 1D Free Schrodinger Equation
- elemis
- · Replies 6 ·
Graduate Information paradox, dismissed?
- ShayanJ
- · Replies 3 ·
Graduate Gaussian Integral with Denominator in QFT
- "pi"mp
- · Replies 1 ·
Graduate High energy electron in very deep potential well
- blackwater
- · Replies 5 ·
Graduate Why can't there be an antisymmetric excited state in a delta function potential?
- dyn
- · Replies 6 ·
Graduate Does consciousness cause Wave-Function collapse?
- HiggsBoson1
- · Replies 79 ·
Graduate About anti bunching and bunching
- Lizzie Mann
- · Replies 11 ·
Graduate Readings for a general understanding of Quantum Field Theor?
- Alexander83
- · Replies 2 ·
Graduate Rotation operators on Bloch sphere
- jimmycricket
- · Replies 3 ·
Graduate How Does Quantum Mechanics Influence Voltage in Rotating Magnetic Fields?
- jaydnul
- · Replies 5 ·
Graduate Static field from ensemble of photons
- patdriess
- · Replies 1 ·
Graduate What is the Slater determinant of a singlet or a triplet?
- atat1tata
- · Replies 4 ·
Graduate Transmission through semiconductor heterojunction
- John Loven
- · Replies 1 ·
Graduate Question regarding wave/particle duality
- jimmylegss
- · Replies 29 ·
Graduate Question regarding spin and magnetic field
- jimmylegss
- · Replies 4 ·
Graduate Philosophy of the Uncertainty Principle
- Shreyas Shree
- · Replies 3 ·
Graduate Improved energy-momentum tensor changing dilation operator
- geoduck
- · Replies 2 ·
Graduate Quantum Mechanics is a set of Laws
- CardKeeper
- · Replies 22 ·
Graduate Proof that the set of stationary states are orthonormal?
- Jonsson
- · Replies 5 ·
Undergrad Photoelectric current: why does it decrease?
- BasilBassam
- · Replies 3 ·
Graduate Entanglement and Bell’s inequality Question
- rede96
- · Replies 35 ·
Graduate Does Commutativity Always Guarantee Shared Eigenkets?
- blue_leaf77
- · Replies 2 ·
Graduate Understanding Spectral Line Width and Causes | Optical Wavelengths
- nickek
- · Replies 5 ·
Graduate Momentum operator eigenstates/eigenvalues
- space-time
- · Replies 5 ·
Undergrad Accuracy of Classical Mechanics
- member 529879
- · Replies 12 ·
Graduate Question about double slit and entanglement
- jk22
- · Replies 2 ·
Undergrad What is an Extinction Spectrum? Plasmonic Gold Nanoparticles
- austinmw89
- · Replies 3 ·
Graduate How do you get the color singlet combination of quarks?
- shinwolf14
- · Replies 3 ·
Graduate Calculating measurement probabilities for the CHSH game
- wantumWATchanix
- · Replies 2 ·
High School Why Do 3D Shapes Appear as Ripples on a Pond?
- Danyon
- · Replies 6 ·
Graduate Applicability of perturbation theory
- CAF123
- · Replies 1 ·
Graduate A question on calculating entangled spin probability
- rede96
- · Replies 1 ·
Graduate The Mathematical Structure of QM and the Stern Gerlach
- Ahmad Kishki
- · Replies 5 ·
Graduate Preparing Quantum Systems: Understanding State Preparation and Its Importance
- lucas_
- · Replies 38 ·
Graduate Can Quantum Mechanics Really Support Time Reversibility?
- binbots
- · Replies 20 ·
Graduate Prerequisites for Quantum Field Theory (QFT)
- soviet1100
- · Replies 15 ·
Graduate General form for 2 x 2 unitary matrices
- jimmycricket
- · Replies 27 ·
Graduate What do the color maps in spherical harmonics represent?
- gfd43tg
- · Replies 8 ·
Graduate Understanding Scattering Length in Atom Interaction: A Comprehensive Guide
- KFC
- · Replies 1 ·
Graduate Expectation Value of Operator A: c or Complex Conjugate?
- dyn
- · Replies 1 ·
Undergrad First photograph of light as both a particle and wave
- Greg Bernhardt
- · Replies 61 ·
Graduate Math of environment-particle entanglement
- Edward Wij
- · Replies 29 ·
Graduate How to entangle nearly 3000 atoms using a single photon
- bohm2
- · Replies 1 ·
Graduate From observable to operators in QFT
- lucas_
- · Replies 60 ·
Graduate Spectrum broadening and conservation of energy?
- SomeonenoemoS
- · Replies 8 ·
Graduate Classical Limit of a Quantum Harmonic Oscillator
- physiks
- · Replies 1 ·
Graduate Is a Coherent Buckyball Immune to Gravity?
- Tyrosine
- · Replies 1 ·
Graduate Expectation for many-body system
- JorisL
- · Replies 3 ·
Graduate Ground state of hamonic oscilator
- naima
- · Replies 2 ·
Graduate Non-separability : basis dependent
- jk22
- · Replies 20 ·
Graduate How Do Superposition Preparations Differ for Single vs. Entangled States?
- Edward Wij
- · Replies 38 ·
Graduate Non changing variables in wave function.
- Penguinluons
- · Replies 3 ·
Graduate Time dependence in quantum theory
- TrickyDicky
- · Replies 1 ·
Graduate How to draw self-energy diagrams in phi^4 theory
- Dixanadu
- · Replies 2 ·
Graduate Building a Mach–Zehnder interferometer
- Xilor
- · Replies 1 ·
Graduate Can Bell's Ansatz Explain the Correlation in the EPRB Experiment?
- jk22
- · Replies 3 ·
Graduate Uncertainty Principle of a high speed particle
- Misha Kuznetsov
- · Replies 4 ·
Graduate Quantum Foam and Conservation of Energy
- Ghostcrown
- · Replies 1 ·
Graduate Einstein's later thoughts on EPR
- bohm2
- · Replies 9 ·
Graduate Confused about eigenstates, uncertainties,expectation values
- dyn
- · Replies 9 ·
Graduate How to control the refractive index?
- ROPANZ
- · Replies 2 ·
Graduate What happens to an electron's quantum state after measurement?
- amedeo_fisi
- · Replies 9 ·
Graduate Can there ever be a Theory of Everything?
- Gort
- · Replies 72 ·
Graduate How does uncertainty apply to an electron's magnetic moment measurement?
- nortonian
- · Replies 11 ·
Graduate Measurements of a superposition: Conservation laws?
- greypilgrim
- · Replies 19 ·
Graduate Does Spontaneous Emission Affect Entropy Levels?
- Khashishi
- · Replies 2 ·
Graduate Quantum Entanglement and Moviment
- Rajkovic
- · Replies 3 ·
Graduate Are Quantum Leaps instantaneous?
- Symmetry777
- · Replies 29 ·
Graduate Non-local uncertainty - does it make sense?
- Feodor
- · Replies 7 ·
Graduate Understanding Electron Spin: Clarifying Misconceptions
- bland
- · Replies 4 ·
Graduate Does "Entropy" play a role in Quantum Physics?
- Fernando Freire
- · Replies 11 ·
Graduate Graph sol. of Dirac eq., type "graph paper" needed?
- Spinnor
- · Replies 4 ·
Graduate Dirac and Majorana spinors for neutrinos
- bubble
- · Replies 4 ·
Graduate Wave/Particle duality in Blackhole paradox?
- iknowsigularity
- · Replies 10 ·
Graduate Relations between workfunction, ionization, redox and fermi
- ugenetic
- · Replies 2 ·
Graduate Violation of Newtons third Law and conservation of momentum
- Danyon
- · Replies 4 ·
Graduate Can Superposition of Charges Be Observed Simultaneously in Quantum Mechanics?
- lucas_
- · Replies 10 ·
Graduate Frequency oscillations and Planck's constant
- DiracPool
- · Replies 7 ·
Graduate What Is the Significance of Hans Euler's Work on Light Scattering?
- tijana
- · Replies 1 ·
Graduate Relativistic correction of Schrödinger equation
- Jonsson
- · Replies 6 ·
Graduate Quick question about experiments done on spin detection
- rede96
- · Replies 2 ·
Graduate Wave Function: Real vs Imaginary Part
- LarryS
- · Replies 4 ·
Graduate Coherence in spontaneous radiation processes
- Azelketh
- · Replies 3 ·
Graduate A doubt on the meaning of the bra ket product
- amedeo_fisi
- · Replies 5 ·
Graduate Clarification about stationary quantum states of a system
- deep838
- · Replies 2 ·
Graduate Quantum state of system before measurement
- soviet1100
- · Replies 17 ·
Graduate What is the electron's mean momentum?
- valle29
- · Replies 1 ·
Graduate Measuring properties of entangled photons
- sanpkl
- · Replies 2 ·
Graduate E=hf as energy of a particle (other than photon)
- bubblewrap
- · Replies 19 ·
Graduate Where Does the Equation for Normalization and Expectation Come From?
- gfd43tg
- · Replies 4 ·
Graduate Is the Kronecker delta linear?
- entropy1
- · Replies 5 ·
Graduate Particle in a box - Momentum and Energy
- marcom
- · Replies 16 ·
Graduate Can the Feynman Path Integral Account for Two Non-Interacting Particles?
- friend
- · Replies 1 ·
High School About light, photon mass and E=mc^2
- akashpandey
- · Replies 5 ·