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
High School Question re electrostatic charge
- rrosenthal
- · Replies 1 ·
Graduate Quantum Effects Brought to Light
- StevieTNZ
- · Replies 1 ·
Graduate Quantum Entanglement & Relativity: Time Dilation Effects
- serp777
- · Replies 14 ·
Graduate Quantum Cell Phones - Investigating the Possibilities
- Willis666
- · Replies 3 ·
Graduate What is the connection between energy eigenstates and position?
- jeebs
- · Replies 2 ·
Graduate Quantum Chaos: Existence and Stability
- asemanie
- · Replies 9 ·
High School Double slit experiment for AP physics
- erikrehnberg
- · Replies 1 ·
Graduate How can information be conserved if we live in a quantum universe?
- zeromodz
- · Replies 2 ·
Graduate Proof of uncertainty principle
- ShayanJ
- · Replies 10 ·
Graduate Proving a Claim in Ticcati's Red QFT Textbook: Seeking Advice and Hints
- MathematicalPhysicist
- · Replies 6 ·
Graduate Why is inertial mass not an observable in QM?
- kith
- · Replies 12 ·
Graduate What is normally meant by quantizing a classical theory, versus Hardy's axioms
- marcus
- · Replies 4 ·
Graduate The Gauge Dependence of Quantum Transition Probabilities
- Jano L.
- · Replies 23 ·
Graduate Potential energy as observable
- AlonsoMcLaren
- · Replies 2 ·
Undergrad Are Schrodinger's Equations Taught in Lower Division Physics Courses?
- Woopy
- · Replies 2 ·
Graduate We know that if we send one electron through 2 slit, the wave function
- hokhani
- · Replies 1 ·
Graduate Potential Invariant under translation
- kthouz
- · Replies 5 ·
Graduate How Does the Angle Between Axes Affect Spin Correlation in Entangled Particles?
- gespex
- · Replies 3 ·
Undergrad Writer's Help:Music & String Theory
- N.Malter
- · Replies 10 ·
Graduate Can a virtual particle create another virtual particle?
- clearwater304
- · Replies 14 ·
Graduate Question on time-independent perturbation theory
- ani4physics
- · Replies 2 ·
Undergrad Prove that information is either increasing or remaining constant with time.
- manishbit
- · Replies 12 ·
Graduate Violation of uncertainty principle?
- AlonsoMcLaren
- · Replies 2 ·
Article: Faked States mimic quantum entanglement
- Physt
- · Replies 1 ·
Graduate Does a symmetry of Lagrangian reserve in each Feynman diagram?
- ndung200790
- · Replies 9 ·
Graduate Deriving Wien's Law from Planck's Formula
- Dorje
- · Replies 2 ·
High School Need an explanation of shells in layman's terms
- Woopy
- · Replies 1 ·
Graduate Is mass something that is uncertain ?
- fillyt
- · Replies 4 ·
Graduate What are the fundamental concepts and axioms of quantum mechanics?
- rpt
- · Replies 11 ·
Graduate What Is the Source of Spin-Orbit Coupling in the Hydrogen Atom?
- Tomer
- · Replies 2 ·
Graduate Does a single electron transistor really need the tunneling junctions?
- TriKri
- · Replies 1 ·
Graduate What is the Relationship Between K-Space and Momentum Space in Crystals?
- seang
- · Replies 2 ·
Graduate Second quantization question: one particle or n particle?
- mings6
- · Replies 1 ·
Graduate QM Particles and their space boundaries
- philipp2020
- · Replies 6 ·
Graduate Schrödinger's equation to Dirac's
- fluidistic
- · Replies 2 ·
Graduate Displacement Operator: Explaining Dirac's Equality
- bikashkanungo
- · Replies 6 ·
Graduate Scalar field as quantum operator.
- omri3012
- · Replies 21 ·
Graduate Is a finite function with finite Fourier transform possible?
- Cruikshank
- · Replies 2 ·
Graduate How does the commutator of fields relate to causality?
- Matterwave
- · Replies 12 ·
Graduate Quantum Coherence in Transmembrane Proteins?
- uzbyte
- · Replies 1 ·
Graduate Calculating the energy-momentum tensor for Maxwell Lagrangian
- teddd
- · Replies 5 ·
Undergrad What causes the polarization effect in optics?
- DaveC426913
- · Replies 6 ·
Graduate Can we understand neutrinos as information?
- Fixed Cross
- · Replies 6 ·
Graduate Not following one step for Ehrenfest's theorem
- SamRoss
- · Replies 6 ·
Graduate On the complementarity principle
- gork
- · Replies 1 ·
Graduate Scope of Hilbert Space of a System?
- LarryS
- · Replies 2 ·
Graduate Can increasing the potential width α decrease the coupling constant λ?
- intervoxel
- · Replies 2 ·
Graduate A 'Classical' object behaving Quantum?
- StevieTNZ
- · Replies 8 ·
Graduate Standing Waves and Radiation Emission
- CRichard
- · Replies 2 ·
Graduate Quantum numbers in wikipedia's table
- fluidistic
- · Replies 5 ·
Graduate Lorentz Transformation of Fields
- sampo
- · Replies 6 ·
Graduate Commuting of Operators: Particle in Box in 1D with H & H1
- hokhani
- · Replies 4 ·
Graduate Multi-Photon Laser Output: Independence & Tensor Product
- phonon44145
- · Replies 12 ·
Graduate What is so special about quantum entanglement?
- Physt
- · Replies 8 ·
Graduate Second Quantization: Motivation & Field Operators
- Euphemia
- · Replies 8 ·
Graduate What other experimental evidence exists for entanglement?
- gespex
- · Replies 4 ·
Graduate Why Planck Scale? Reasons & String Theory
- kirkulator
- · Replies 2 ·
Graduate Why the carrying force fields must be the fields of Boson particles?
- ndung200790
- · Replies 2 ·
Graduate Density matrix's non-diagonal components
- TheDestroyer
- · Replies 6 ·
Graduate Can anyone recommend a text on quantum mechanics based on commutators?
- ralqs
- · Replies 10 ·
Graduate Quantum Eraser and Its Implications
- NewPeter
- · Replies 82 ·
Graduate Quantum Levitation: Examining Effects of Aerogel
- doctorposible
- · Replies 2 ·
Graduate Verification of probabilities for various states
- StevieTNZ
- · Replies 2 ·
Graduate How do you integrate the Hopf term in 2+1 dimensions?
- Ian Lovejoy
- · Replies 2 ·
Graduate Zeeman effect, something I'm not understanding, about history
- fluidistic
- · Replies 2 ·
Graduate I want to understand positive operator valued measures in QM
- Fredrik
- · Replies 10 ·
Graduate Why Can't Free-Particle Wave Functions Be Normalized Over Their Entire Range?
- alimehrani
- · Replies 6 ·
Graduate Quantum control of a looped beam.
- al onestone
- · Replies 6 ·
Graduate Normalization of a free particle quantum state
- JK423
- · Replies 2 ·
Graduate Why wave function should goto 0 f faster than 1/sqrt(x) at infinity
- relativist
- · Replies 5 ·
Graduate Photon Average Energy in a Cavity Resonator
- Q-reeus
- · Replies 6 ·
Graduate Learning Dirac Notation: Writing Hamiltonian for 3 States
- noman3k3
- · Replies 7 ·
Graduate How Are Planck Time and the Expression \(\sqrt{\frac{\hbar c^5}{G}}\) Related?
- HelpNowPlease
- · Replies 3 ·
Graduate Does Quantum Mechanics Allow for a Time Operator?
- waht
- · Replies 17 ·
Graduate Is the Uncertainty Principle affected by the number of particles in a system?
- ArmenianG
- · Replies 5 ·
Undergrad Two hydrogen atom with same spin can form H_2?
- spocchio
- · Replies 6 ·
Graduate What is an Observer in Quantum Physics?
- gespex
- · Replies 15 ·
Graduate Proving Shouten identity in QFT
- LAHLH
- · Replies 3 ·
Graduate Classically predicted ionisation energy of H
- Kael42
- · Replies 15 ·
Graduate Wavepacket Dispersion and how this links to particle behaviour
- Phyre1
- · Replies 12 ·
Graduate The quantomic oscillator's amplitude
- hokhani
- · Replies 4 ·
Graduate Why does Lagrangian in QFT only include first order derivative of field?
- ndung200790
- · Replies 10 ·
Graduate Understanding the Significance of Eigenvalues in Quantum Mechanics and Physics
- "pi"mp
- · Replies 6 ·
Graduate What corresponds to a static field in QFT
- kof9595995
- · Replies 24 ·
Graduate How Does Polarization Relate to Photon Degeneracy?
- jaobyccdee
- · Replies 5 ·
Graduate Heisenburg's Uncertainty Principal and the definition of randomness
- cbetanco
- · Replies 20 ·
Graduate What is the physical system that follows the Pauli exclusion principle?
- Tomer
- · Replies 13 ·
Graduate Quantum entanglement and wireless electricity
- rpcarnell
- · Replies 6 ·
Graduate 1st order pertubation on 2 level system
- luxiaolei
- · Replies 1 ·
Graduate Could Zero-Point Energy Be Weaponized?
- Mind Bender
- · Replies 1 ·
Graduate 1st order Pertubation energy and wavefunction
- luxiaolei
- · Replies 2 ·
Undergrad Light intensity and polarization
- gespex
- · Replies 3 ·
Graduate Position and Momentum Operators
- Unit
- · Replies 3 ·
Graduate If all states are stationary, what causes atoms to radiate then?
- Raziel2701
- · Replies 5 ·
Graduate My personal criticism to Quantum theory and Human conscience
- alecrimi
- · Replies 4 ·
Graduate Fine structure correction in H atom
- McLaren Rulez
- · Replies 2 ·
Graduate 2 Time Dimension in the Quantum Realm?
- stglyde
- · Replies 4 ·
Graduate Why Consider Our Position Between Past and Future in Quantum Physics?
- ThomasRK
- · Replies 1 ·
Graduate Solution of Schrodinger equation for free electron
- u_know_who
- · Replies 3 ·