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 Photon emission from simple harmonic oscillator
- snoopies622
- · Replies 19 ·
Graduate Hawking radiation & quarks/gluons
- Quqzar
- · Replies 15 ·
Graduate Dual-tensors not in Lagrangian
- Pengwuino
- · Replies 5 ·
Graduate Relative Time for Quantum Mechanics
- torinmccabe
- · Replies 3 ·
Graduate Are mathematical manipulations admisible if integral are divergents ?
- zetafunction
- · Replies 1 ·
Graduate How Uncertain Is the Energy of Virtual Photons in Scattering on Heavy Nuclei?
- exponent137
- · Replies 4 ·
Graduate What happens to the missing intensity in a Mach-Zehnder interferometer?
- Wanderbiker
- · Replies 2 ·
Graduate In QFT how to take this derivative?
- IFNT
- · Replies 14 ·
Graduate Heisenberg principle, about time
- fluidistic
- · Replies 11 ·
Graduate Can work function be changed by charge-bias?
- AshsZ
- · Replies 2 ·
Graduate Calculating Reduced Mass for Schrodinger's Equation
- Buck_minster
- · Replies 9 ·
Graduate Virtual photons and electron orbitals
- relativityfan
- · Replies 2 ·
Graduate Wave particle in the same place
- Jbrown832
- · Replies 1 ·
Graduate Hackers exploit quantom cryptography
- Kidphysics
- · Replies 4 ·
Graduate Triple-slit experiment tests the Born's rule
- giann_tee
- · Replies 13 ·
Graduate Changes spotted in fundamental(α)constant
- magnetar
- · Replies 1 ·
Graduate Total energy levels of the electron and rest energy
- relativityfan
- · Replies 1 ·
Graduate What is the hidden meaning behind this Quantum Mechanics Tattoo?
- pdoyle@netins
- · Replies 27 ·
Graduate Effing Virtual States - How do they work?
- WarPhalange
- · Replies 1 ·
Graduate Classical and quantum polarization
- mtak0114
- · Replies 3 ·
Graduate Vanishing commutator for spacelike-separated operators?
- ramparts
- · Replies 3 ·
Graduate Quantum Refrigerator: Is it as Cool as it Sounds?
- ppnl
- · Replies 1 ·
Graduate Atoms tunnelling through a metal surface
- webstellar
- · Replies 3 ·
Graduate What about small momentum divergences?
- LAHLH
- · Replies 3 ·
Graduate Observing the double slit experiment
- TheRealTL
- · Replies 35 ·
Graduate Capturing Photons in a Reflective Ball
- nuncoop
- · Replies 34 ·
Graduate Is the Formula for Spin Also True for Angular Momentum?
- Cosmossos
- · Replies 1 ·
Undergrad Photon Momentum: Massless but Impactful
- Parbat
- · Replies 7 ·
Graduate Please can you explain some of the quantum maths and formulas?
- nickthrop101
- · Replies 1 ·
Graduate Heisenberg principle, little question
- fluidistic
- · Replies 3 ·
Graduate Electron in constant magnetic field - classical vs quantum
- grelade
- · Replies 1 ·
Graduate Can Randomness be Predictable in Quantum Physics?
- Subatomic
- · Replies 7 ·
Graduate Do Electrons gain mass in an electrostatic potential?
- johne1618
- · Replies 7 ·
Graduate Computing Scalar Product in Antisymmetric Fock Space w/ Creator Operators
- Boby37
- · Replies 6 ·
Graduate Acceleration Potential and momentum of photon.
- Smarty7
- · Replies 4 ·
Graduate Understanding Symmetric/Antisymmetric Wave Functions in QM
- silverwhale
- · Replies 6 ·
Graduate The heisenburg uncertainty principle
- NanjoeBot
- · Replies 49 ·
Graduate Quantum Mechanics: 1D Parabolic Potential Wave Function
- dcuk86
- · Replies 3 ·
High School Is My Dad Right About Electrons Being Planets?
- Vic151
- · Replies 21 ·
Undergrad What Causes Octets: Examining the Physical Forces Behind Atoms
- Galap
- · Replies 1 ·
Graduate Uncovering the Limitations of Feynman's Quantum Gravity Calculations
- exponent137
- · Replies 1 ·
Graduate Understanding a Complex Algorithm: Seeking Insight and Clarity
- Karrar
- · Replies 2 ·
Graduate Quantization = construction of quantum theories based on the classical limit?
- tom.stoer
- · Replies 23 ·
Graduate Very stupid question about Wigner's Theorem
- Petr Mugver
- · Replies 3 ·
Graduate Is Time Truly the 4th Dimension?
- -=Red=-
- · Replies 2 ·
Graduate Someone said they solved Newtonian physics with string theory
- shredder666
- · Replies 9 ·
Graduate Could Time Dilation Occur in a Subatomic Explosion?
- rhyshanan
- · Replies 1 ·
Graduate Scalar field theory - Feynman diagrams and anti-particles
- NanakiXIII
- · Replies 9 ·
Graduate Why is the relation 0 ≤ l < n-1 for quantum numbers important?
- Gavroy
- · Replies 2 ·
Graduate Is this Dirac Ket Bra correct?
- PRB147
- · Replies 6 ·
Undergrad Basic question on photon interacting with electron
- fluidistic
- · Replies 2 ·
Graduate What is the property of a particle known as spin?
- JDude13
- · Replies 14 ·
Graduate Interaction betwen position eigenstates of particle
- maxverywell
- · Replies 4 ·
Graduate Which is the conjugate variable?
- wdlang
- · Replies 15 ·
Graduate Electron Density: Probability of Finding Electrons?
- ldv1452
- · Replies 5 ·
High School Why Are S Orbitals Considered Non-Directional?
- ldv1452
- · Replies 2 ·
Graduate How to Measure Berry Phase in a Magnetic Field?
- wdlang
- · Replies 1 ·
Undergrad Why Do Electrons Gain Energy as They Move Away from the Nucleus?
- ldv1452
- · Replies 8 ·
Graduate Understanding the Principle of Covariance: A Comprehensive Guide
- IFNT
- · Replies 3 ·
Graduate What is the correct way to measure an electron's spin in a magnetic field?
- ^_^physicist
- · Replies 1 ·
Graduate Scalar field energy for two delta function sources
- NanakiXIII
- · Replies 15 ·
Graduate Connection, horizontal lift, and berry phase
- wdlang
- · Replies 2 ·
Graduate Electron motion in a p-orbital
- ldv1452
- · Replies 9 ·
Graduate Autism thinking and quantum physics
- Ivek
- · Replies 10 ·
Graduate Understanding Central Charges in Weinberg's Book
- Petr Mugver
- · Replies 7 ·
Undergrad Understanding Electron Shells: Defined by Principal Quantum Number
- ldv1452
- · Replies 5 ·
Graduate Applying Heisenberg Picture Confusion
- nateHI
- · Replies 2 ·
Graduate Can someone help me understand this question please
- nottobright
- · Replies 2 ·
Graduate The Meaning of Z(J) and W(J) in QFT
- NanakiXIII
- · Replies 6 ·
Graduate Double slit interference destroyed by observer or by photons
- Point Conception
- · Replies 20 ·
Graduate Regularization of integral by substraction
- zetafunction
- · Replies 2 ·
Graduate Validity of virial theorem in QM
- Heirot
- · Replies 2 ·
Graduate How Does the Strong Nuclear Force Communicate Through Particles?
- boffinwannabe
- · Replies 2 ·
Graduate Questions About Interacting Particles A and B
- JK423
- · Replies 12 ·
Graduate How *exactly* do you get the generators (1/2,1/2)
- iangttymn
- · Replies 11 ·
Undergrad Welcome! Ask Away: How Electrons Orbit Without EM Waves
- levonnikox
- · Replies 1 ·
Undergrad What evidence do we have for the existence of electron clouds?
- wil3
- · Replies 3 ·
Graduate What is the role of the i in the propagator of Feynman rules?
- NanakiXIII
- · Replies 4 ·
Graduate Understanding the uncertainty principle
- zimbabwe
- · Replies 9 ·
Graduate Why are virtual photons not observed in electromagnetic interactions?
- Anamitra
- · Replies 4 ·
Graduate Time travel paradox only due to choice
- madhatter106
- · Replies 7 ·
Graduate Understanding Quantum Computing: Unanswered Questions
- MikeFromOhio
- · Replies 3 ·
Undergrad Quantum Physics: Energy in Packets
- vipulsilwal
- · Replies 11 ·
Graduate Classical limit from steepest descent
- jhaber
- · Replies 2 ·
Graduate What part of physics teleportation involves
- ShayanJ
- · Replies 21 ·
Graduate Limit to number of photons in a single point
- h20 bear
- · Replies 9 ·
Undergrad Emission Spectrum - Does Energy Always Transfer in Photon Form?
- cubud
- · Replies 16 ·
Graduate Can Time Loops Create Paradoxes?
- Blouge
- · Replies 2 ·
Undergrad Redshift is due to the expansion of the universe
- phobowute
- · Replies 2 ·
Graduate Where do I post this question? And, hi This is my first post
- ZxWhatever
- · Replies 14 ·
Graduate Can a Simple Equation Unveil the Electron/Proton Mass Ratio?
- meadbert
- · Replies 5 ·
Graduate Scharnhorst, faster than light
- exponent137
- · Replies 9 ·
Graduate Experiment with single photons
- BenVitale
- · Replies 2 ·
Graduate Is entanglement faster than light?
- apocalight
- · Replies 6 ·
Graduate Difference between wave and matrix QM
- snoopies622
- · Replies 7 ·
Graduate Quick noob question: commutative of eigenstates
- Ykjh98Hu
- · Replies 2 ·
Graduate Why sub-classical physics and quantum physics
- chrisjiang
- · Replies 5 ·
Graduate Virtual shell around a charged particle?
- nomadreid
- · Replies 4 ·
Graduate Proof of Gelfand-Maurin Nuclear Spectral Theorem?
- strangerep
- · Replies 5 ·
Graduate What is the significance of tau and sigma matrices in quantum theory?
- jhaber
- · Replies 4 ·