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
Undergrad What is the meaning of phase in relation to laser states?
- kaje
- · Replies 1 ·
Undergrad Non-Newtonian fluids at the quantum level
- thebosonbreaker
- · Replies 2 ·
Graduate Best first book on quantum mechanics
- almarpa
- · Replies 22 ·
Undergrad Can an electron in an s-orbital exist at the nucleus (r=0)?
- Steven Hanna
- · Replies 2 ·
High School Begining of time, cause and effect and quantum randomness
- tim1608
- · Replies 6 ·
High School Femions to Bosons: The Future of Electronics
- wolram
- · Replies 1 ·
High School Explain Photoelectric Effect: Potential, Formula & Voltage
- Gajan1234
- · Replies 5 ·
Undergrad Examples of Basic Potential functions
- DaTario
- · Replies 3 ·
Undergrad How Does Quantum Mechanics Relate to Quantum Field Theory in Particle Physics?
- fxdung
- · Replies 267 ·
Undergrad Simulation Hypothesis and Skynet
- Curiousphy
- · Replies 2 ·
High School Number of entangled particles in nature
- entropy1
- · Replies 16 ·
Undergrad Schrodinger equation and stationary states
- amjad-sh
- · Replies 12 ·
Graduate Canonical quantization of scalar fields
- Higgsy
- · Replies 3 ·
High School Can entanglement be broken easily
- KarminValso1724
- · Replies 1 ·
Undergrad Derivation of the photon energy
- shaiyefet
- · Replies 4 ·
High School What is Quantum Statistical Mechanics?
- fxdung
- · Replies 33 ·
Undergrad Why are the gamma-matrices invariant?
- PatrickUrania
- · Replies 71 ·
High School So the holographic principle doesn't have much evidence?
- Chrisjohnson
- · Replies 20 ·
Undergrad Why is there only odd eigenfunctions for a 1/2 harmonic oscillator
- thegirl
- · Replies 2 ·
High School Interference patterns of electrons vs. photons
- entropy1
- · Replies 4 ·
High School Electrons and ions -- how long can they exist apart?
- Gajan1234
- · Replies 2 ·
Undergrad Quantum Coherence: Macroscopic Superpositions Explained
- durant35
- · Replies 10 ·
High School Does quantum mechanics explain why subatomic particles behave the way they do?
- KarminValso1724
- · Replies 3 ·
High School Why do the 4 forces have the strength that they do?
- KarminValso1724
- · Replies 3 ·
Undergrad Understanding Spin-2 Bosons & Graviton Theory of Gravity
- bbbl67
- · Replies 31 ·
Undergrad Why electron enters the lowest potential possible?
- Tahmeed
- · Replies 1 ·
Undergrad Mapping between rotations and operations: sign & handedness
- Strilanc
- · Replies 3 ·
Graduate Can the Markov chain be used in qubit manipulation?
- Cristina Maria
- · Replies 2 ·
Undergrad Energy quantization of the particle in a box
- bodyscripter
- · Replies 3 ·
Graduate Optical Bistability and the Jaynes-Cummings Model
- Raptor112
- · Replies 11 ·
Undergrad A special relativity explanation for the Lorentz Force?
- tim9000
- · Replies 10 ·
Graduate Liouville Master Equation for an Open Quantum System
- Raptor112
- · Replies 10 ·
Undergrad Probability density and kinetic
- Incand
- · Replies 3 ·
Undergrad Does the probability collapse theory of QM imply backward in time
- fredt17
- · Replies 12 ·
Undergrad Confused about slater determinant for excited states
- HAYAO
- · Replies 13 ·
High School How Do Virtual Photons Mediate Forces in Quantum Electrodynamics?
- KarminValso1724
- · Replies 1 ·
Undergrad Spin up and Spin down states can be written as .... why?
- Sara Kennedy
- · Replies 4 ·
Undergrad Can interactions happen at less than the Planck Time?
- bbbl67
- · Replies 3 ·
Undergrad Normalizing Constant 3D Infinite Well
- RaulTheUCSCSlug
- · Replies 5 ·
Undergrad Virtual particles in Feynman diagrams and not
- friend
- · Replies 11 ·
Undergrad Expression for Uncertainty of Arbitrary Operator
- DrPapper
- · Replies 3 ·
Undergrad Why is there a -1/2 in the Lagrangian density for ω mesons?
- izzi wekwek
- · Replies 2 ·
High School Do probabilities for entangled polarization states add up to one?
- klw289
- · Replies 4 ·
Undergrad Postulates for the formal core of quantum mechanics
- A. Neumaier
- · Replies 8 ·
Graduate Fermi energy Ef changes with applied electric field?
- Dimani4
- · Replies 5 ·
Graduate What is a "quantum potential" ?
- momo666
- · Replies 4 ·
Undergrad Wave-particle duality and localization
- amjad-sh
- · Replies 8 ·
High School Faster than light communication via entanglement?
- Chrisjohnson
- · Replies 19 ·
Undergrad Difference between expectation value and eigenvalue
- Sara Kennedy
- · Replies 5 ·
Undergrad Understanding Electron Spin: Deep Theoretical Reasons Explained
- BiGyElLoWhAt
- · Replies 19 ·
High School The sticky elactic in the Bloch sphere
- naima
- · Replies 1 ·
Undergrad What Is the Descriptive Meaning of \(- \frac{e}{c}\vec A\)?
- Anton Alice
- · Replies 3 ·
Undergrad Spin states for two identical 1/2 particles - Confused :s
- Sara Kennedy
- · Replies 5 ·
Graduate Quantum Optics Question and Wigner Functions
- Raptor112
- · Replies 1 ·
Graduate Is Phase Relevant for Uncharged Particles?
- LarryS
- · Replies 1 ·
Undergrad Help With Black Board EQ's in a P.A.M. Dirac Lecture
- kq6up
- · Replies 2 ·
Undergrad Unraveling the Mystery of Particle Spin Numbering System
- bbbl67
- · Replies 5 ·
Undergrad How to prove Schrodinger's equation in momentum space?
- Joker93
- · Replies 8 ·
High School Do Photons Contribute to the Energy Released in Nuclear Explosions?
- thetexan
- · Replies 2 ·
Graduate Euclidean signature and compact gauge group
- Einj
- · Replies 5 ·
Undergrad General Solution of Dirac Delta Potential Well
- rbwang1225
- · Replies 4 ·
High School Does Photon Emission Cause Decoherence?
- Feeble Wonk
- · Replies 43 ·
Undergrad Why is reflection coefficient defined this way
- Danny Boy
- · Replies 20 ·
High School What takes up the empty space of an atom?
- Chrisjohnson
- · Replies 11 ·
Graduate Time correlation of an observable in the Schrödinger picture
- kith
- · Replies 6 ·
Graduate Why use adiabatic evolution instead of cooling?
- mupsi
- · Replies 6 ·
High School When are particles in a quantum state?
- Fiziqs
- · Replies 20 ·
Graduate What's meant by D dimensional gas?
- erbilsilik
- · Replies 1 ·
Undergrad Do entangled particles exist in superposition?
- friend
- · Replies 14 ·
Graduate Steane Code, Distance 3-Stabilizer-Codes
- mupsi
- · Replies 8 ·
Undergrad How Do Photons Behave When They Intersect?
- Passionate Eng
- · Replies 1 ·
Undergrad Teleportation isn't exclusively quantum....?
- DirkMan
- · Replies 2 ·
Undergrad The barrier length in quantum tunneling
- Alan Ezra
- · Replies 5 ·
Graduate Water molecule first hyperpolarizability
- Konte
- · Replies 3 ·
Graduate Dispersive Regime in Jaynes-Cummings Model
- Raptor112
- · Replies 2 ·
Undergrad Thermal radiation and light pump
- Matej Kurtulik
- · Replies 2 ·
Undergrad Software Designs Quantum Experiments
- Hornbein
- · Replies 3 ·
Undergrad How can I write a normalized spin superposition in a simplified form?
- Ananthan9470
- · Replies 2 ·
Undergrad Weinberg Lectures on QM (2013 ed.), Equation 6.5.5
- jouvelot
- · Replies 2 ·
Graduate What is the relationship between the Casimir force and the strong nuclear force?
- nebulacollector
- · Replies 10 ·
High School Is Solving Schrodinger's Equation the Best Way to Approach Quantum Mechanics?
- houlahound
- · Replies 17 ·
Undergrad Transmission coefficient limit
- TheCanadian
- · Replies 1 ·
Undergrad What are magnetic and electric fields?
- John_RB
- · Replies 7 ·
Undergrad Can an Electron Absorb a Photon if the Next Energy Level is Full?
- magicman54494
- · Replies 1 ·
Undergrad Quantum field and mediating particles
- alivedude
- · Replies 2 ·
Graduate Tracks in particle detectors and quantum paths
- TrickyDicky
- · Replies 127 ·
Graduate Computation time for adiabatic evolution
- mupsi
- · Replies 1 ·
Graduate How gravity affects wave function collapse
- EvilDonut
- · Replies 22 ·
Undergrad Does Adding Detector D5 After BSa Affect the Interference Pattern at D0?
- or4cle
- · Replies 1 ·
High School The Lightness of Being: Frank Wilczek's Lay Book
- bhobba
- · Replies 1 ·
High School What is the connection between unitarity and thermodynamics?
- Collin237
- · Replies 7 ·
Undergrad Can subspaces be used to determine probabilities in quantum mechanics?
- friend
- · Replies 1 ·
Undergrad Particles from a thermal source
- A. Neumaier
- · Replies 81 ·
Undergrad Are the 2nd and 3rd axioms of QM incompatible?
- Zafa Pi
- · Replies 20 ·
Undergrad QKD Question: Alice & Bob Detector Cross-Checking
- Madi Araly
- · Replies 2 ·
High School Quantum Interactions happen where?
- tionis
- · Replies 2 ·
Undergrad Are virtual particles real or just math filler
- J-eastwood
- · Replies 81 ·
Graduate Is non-locality a necessary consequence of the Bell theorem?
- Igael
- · Replies 17 ·
High School Bell's Inequality && polarisation for the layman
- dbertels
- · Replies 10 ·
Graduate How does negative chemical potential influence fugacity in an Ideal Bose Gas?
- erbilsilik
- · Replies 6 ·