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
Graduate Is the Entropy of the Universe Zero? Entropy as Entanglement)
- jambaugh
- · Replies 10 ·
Graduate Lagrangians in Quantum Mechanics
- lugita15
- · Replies 2 ·
Graduate Can Random Symmetry Breakings Explain Quantum Oddities?
- djeitnstine
- · Replies 2 ·
Graduate Do protons and neutrons have a wavefunctions?
- Quantom
- · Replies 3 ·
Undergrad What Happens to Matter if Electron Orbit Speed is Slowed?
- foremanator
- · Replies 2 ·
Graduate Does Schrodinger's Cat Qualify as an Observer in Quantum Mechanics?
- dgorman
- · Replies 24 ·
Graduate Negative energy in Dirac equation
- kahoomann
- · Replies 1 ·
Graduate Electromagentic Field vs. Gravity Field
- NYSportsguy
- · Replies 12 ·
Graduate What is the purpose of using a potential well to model a particle's confinement?
- Jacky
- · Replies 2 ·
Graduate Understanding Atom Orbital Calculations: Wave Equations, Calculus, and Matrices
- Quantom
- · Replies 5 ·
Graduate Questions on Virtual Particles
- Bobhawke
- · Replies 6 ·
Graduate Hydrino and Inverse Quantum States
- JohnSimpson
- · Replies 3 ·
Graduate The Mach-Zehnder interferometer experiment
- Ciokko
- · Replies 19 ·
Graduate Some Confusion with Path Integrals
- robousy
- · Replies 17 ·
Graduate What is the Significance of Planck's Constant and its Reduced Form?
- nuby
- · Replies 13 ·
High School Spectral Lines - What Determines Their Width?
- Unredeemed
- · Replies 5 ·
Graduate Degenerate matter total energy
- Orion1
- · Replies 15 ·
Graduate How can we reconcile the different vector dimensions in QM equations?
- Bobhawke
- · Replies 2 ·
Graduate Looking for heterostructures articles
- wlzy
- · Replies 2 ·
Graduate Difference between Mixed State and Superposition
- Dragonfall
- · Replies 6 ·
Graduate What is the smallest Quantum of Energy?
- wawenspop
- · Replies 4 ·
Graduate Understanding Orthogonal Integral on Introduction to Quantum Mechanics
- nicksauce
- · Replies 3 ·
Graduate How is the 4-momentum 4-vector defined in relativistic QM?
- pmb_phy
- · Replies 2 ·
Graduate Why do we have the Heisenberg principle?
- epkid08
- · Replies 9 ·
Graduate The physical meaning of Schrödinger's equation
- kahoomann
- · Replies 2 ·
Undergrad Looking for resources to do with energy transfer.
- DeanBH
- · Replies 1 ·
Graduate Solving Shrodinger Eqn for Constrained System: Negative Energy Levels?
- sudabe
- · Replies 3 ·
Graduate What is the relationship between Special Relativity and Quantum Mechanics?
- jordi
- · Replies 22 ·
Graduate Understanding Expectation Value in Quantum Mechanics: A Closer Look
- GAGS
- · Replies 1 ·
Graduate One-dimensional box of some width with a particle inside
- Domnu
- · Replies 10 ·
Graduate Wave Function Zero At Infinity?
- GAGS
- · Replies 22 ·
Graduate Can Quantum Tunneling Explain the Proton's Energy Source?
- muser
- · Replies 1 ·
Graduate Grover's algorithm on entangled states
- Dragonfall
- · Replies 1 ·
Graduate How close are mankind to creating a quantum computer?
- eextreme
- · Replies 2 ·
Graduate Matter Waves As Standing Waves
- GAGS
- · Replies 2 ·
Graduate Linearity of momentum operator
- nughret
- · Replies 7 ·
Graduate Understanding the Compton Effect: Derivation of the Equation
- The_ArtofScience
- · Replies 3 ·
Graduate Graviton energy and frequency/wavelength?
- dougclind
- · Replies 9 ·
Graduate Viruses and Quantum Mechanical Spreading
- Domnu
- · Replies 1 ·
Graduate Probability Wave Function Ψ(r,t): Time Independence
- GAGS
- · Replies 3 ·
Undergrad Why do different frequency EM Waves behave different ?
- JPC
- · Replies 20 ·
Undergrad Trace in statistical mechanics
- rayveldkamp
- · Replies 7 ·
Graduate Uncertainty Principle: Position Uncertainty of Electrons
- GAGS
- · Replies 2 ·
Graduate Separating Hamiltonian functions. Helium atom.
- scorpion990
- · Replies 1 ·
Graduate Total Angular Momentum of Many Particles
- andrewm
- · Replies 1 ·
Graduate Connecting n-Point Functions, Feynman Diagrams & S-Matrix
- Icosahedron
- · Replies 8 ·
Graduate Self-taught Quantum Field Theory
- Jon2005
- · Replies 40 ·
Graduate Group Theory Q: Deriving (10.80) Detail Calc
- cosmology
- · Replies 1 ·
Graduate Calculating Non-abelian Anomalies: Who Can Do It?
- cosmology
- · Replies 2 ·
Graduate Explaining Basic Quantum Mechanics to Unkraut
- Unkraut
- · Replies 9 ·
Graduate Shifting Constraints in the Particle in a Box System
- Domnu
- · Replies 1 ·
Graduate QFT: Invariant Measures & Rotational Invariance Explained
- whynothis
- · Replies 6 ·
Graduate Observation and the Double Slit Expt
- Richter915
- · Replies 7 ·
Graduate Is There a Conflict Between Quantum Entanglement and Special Relativity?
- Degeneration
- · Replies 19 ·
Graduate Does a Static Charge in a Classical Field Constantly Lose Energy?
- Bobhawke
- · Replies 13 ·
Graduate The Photoelectric Effect, Photon Duality, and The Double-Slit Experiment
- uby
- · Replies 5 ·
Graduate Does Quantum Mechanics Apply to All Scales of Reality?
- Bobhawke
- · Replies 16 ·
Graduate Quick Braket Questions: A|B> & <B|A
- Domnu
- · Replies 16 ·
Graduate Struggling with Angular Momentum in Spherical Coordinates?
- Domnu
- · Replies 6 ·
Graduate Question regarding Schroedinger's Equation
- Domnu
- · Replies 6 ·
Graduate Can Outcome Counting Replace the Born Rule in Quantum Mechanics?
- straycat
- · Replies 6 ·
Graduate Hamiltonian in terms of ladders, question.
- ballzac
- · Replies 5 ·
Graduate Quantum Network and Quantum Imaging
- di1026
- · Replies 3 ·
Graduate What is the operator for velocity in spherical coordinates?
- Blue_Jaunte
- · Replies 14 ·
Undergrad 2.)energy Density Of Radiations
- GAGS
- · Replies 1 ·
Graduate 3.)tunnel and photoelectric effects
- GAGS
- · Replies 2 ·
Graduate Quantum Computing: Large Chance of Getting Desired Output?
- Dragonfall
- · Replies 28 ·
Graduate Can one photon be anywhere in Universe?
- wawenspop
- · Replies 27 ·
Graduate Measuring Quantum State: Solving for a Specific Value of a Unitary Function
- Dragonfall
- · Replies 18 ·
Does Light Have Mass? Friend Debate
- offtheleft
- · Replies 6 ·
Graduate Mean lifetime of a particle (quantum)
- K.J.Healey
- · Replies 2 ·
Graduate Abstract Schrödinger's equation in QFT
- ledamage
- · Replies 10 ·
Graduate Can vacuum be considered as excitable medium?
- Mikhail
- · Replies 3 ·
Undergrad Deriving Uncertainties for m and b in Least Squares Method"
- ghery
- · Replies 2 ·
Graduate Spectral Zeta function
- mhill
- · Replies 1 ·
Graduate Why Are Electrons Considered Point Particles in Magnetic Moment Studies?
- sudabe
- · Replies 1 ·
Graduate Operator and Commutor Question
- Domnu
- · Replies 2 ·
Graduate What is the Bessel-Parseval relation and how does it work?
- Domnu
- · Replies 2 ·
Graduate Another photoelectric effect related question
- N00bDaan
- · Replies 1 ·
Graduate Difference Equation: Explained & Derived - QM1
- Domnu
- · Replies 1 ·
Undergrad Show that a wave function is correctly normalised?
- Dream_Theater
- · Replies 4 ·
Graduate Technical question about Nikolic' Quantum Myths
- birulami
- · Replies 5 ·
Undergrad Understanding Fourier Transform: A Beginner's Guide
- Domnu
- · Replies 3 ·
Graduate QFT and Electrons: Is Instantaneous Orbital Change Possible?
- maverick_starstrider
- · Replies 6 ·
Graduate Understanding "Borrowed Energy" in Quantum Mechanics
- leftyguitarjo
- · Replies 1 ·
Graduate Strange definition of regularization of Operators
- mhill
- · Replies 4 ·
Graduate Heisenbergs Uncertainty for light
- duffbeerforme
- · Replies 3 ·
Graduate Understand Uncertainty Principle in a Week
- bassplayer142
- · Replies 35 ·
Graduate Argument about inteference experiments : help me win
- Habeed
- · Replies 9 ·
Graduate Beginner to Braket State Vectors
- Domnu
- · Replies 12 ·
Graduate Recognizing a product of two 3d rotations (matrices)
- AA1983
- · Replies 2 ·
Graduate Uncertainty Principle logic help
- chrisphd
- · Replies 38 ·
Graduate Dopler Shift and Photon Number
- cmos
- · Replies 5 ·
Graduate Help about the exchange energy
- njuxyh
- · Replies 1 ·
Undergrad Eigenstates, Eigenblahs, and Eigenpoofs? HELP O.O
- Domnu
- · Replies 6 ·
Graduate Propagator/transition amplitude through intermediate integrations
- omg!
- · Replies 5 ·
Graduate Can E and B Be Eigenfunctions of a Differential Operator?
- Ray
- · Replies 7 ·
Graduate Understanding Renormalization in Quantum Mechanics: Examples and Context
- ObsessiveMathsFreak
- · Replies 6 ·
Graduate Frequency: What is it? Questions about Frequency, Doppler Effect and Mass
- okkvlt
- · Replies 3 ·
Graduate Ladder Operator/hermiticity
- GAGS
- · Replies 5 ·