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 Can you find a single entangled atom in a haystack.
- BernieM
- · Replies 5 ·
Undergrad Quantum mechanics is random in nature?
- entropy1
- · Replies 190 ·
Undergrad Understanding the wavefunction for a free particle
- majormuss
- · Replies 7 ·
Undergrad Understanding Complex Coefficients in Quantum Mechanics
- kent davidge
- · Replies 9 ·
Graduate Where does Von Neumann say that consciousness causes collapse
- Giulio Prisco
- · Replies 9 ·
Undergrad Does the Double Slit Experiment Change When We Observe Particle Paths?
- calinvass
- · Replies 5 ·
Graduate Is representation theory worthwhile for quantum?
- Twigg
- · Replies 7 ·
High School Can a Magnetic Field Affect the Path of a Photon?
- kent davidge
- · Replies 3 ·
Undergrad Does macro-object get entangled?
- entropy1
- · Replies 12 ·
Undergrad About quantisation of energy
- Thejas15101998
- · Replies 4 ·
Undergrad Maximally entangled two-qubit Bell states
- kaje
- · Replies 2 ·
Undergrad Selection rules for multiphoton vs single-photon ionization
- phys-student-9
- · Replies 2 ·
Graduate What Are Advanced Dissertation Topics in Quantum Computing?
- FraserAC
- · Replies 4 ·
Undergrad How to discretize the Schrödinger equation with spin
- aaaa202
- · Replies 1 ·
Undergrad Practicality of quantum communications systems
- aquitaine
- · Replies 1 ·
High School Connections with Prime numbers and Quantum Physics?
- HawkI
- · Replies 12 ·
Graduate What is the range of size for quantum effect to happen?
- Tareq Naushad
- · Replies 2 ·
Graduate Observations Helmholtz equation is unable to explain
- Tasell
- · Replies 2 ·
High School Difference between opposite states
- t_r_theta_phi
- · Replies 3 ·
Graduate Did Bohr have a Logical Picture of Wittgenstein?
- Charles Wilson
- · Replies 11 ·
Undergrad Why psi squared instead of psi?
- kent davidge
- · Replies 4 ·
High School A question about Schrödinger's equation.
- Fuinne
- · Replies 2 ·
High School How is the Wave Function Derived in Quantum Mechanics?
- Nipuna Weerasekara
- · Replies 7 ·
Undergrad Why do we require conditions for the Poisson Distribution?
- chi_rho
- · Replies 2 ·
Undergrad Equivalence of SU(2) and O(3) in Ryder's QFT book
- Glenn Rowe
- · Replies 12 ·
High School Explaining to middle and high schoolers the alternatives to retrocausality
- whitsona2
- · Replies 3 ·
Undergrad Why is light polarised for the Zeeman effect?
- greswd
- · Replies 12 ·
Undergrad States diagonal in the reference basis
- Plankton
- · Replies 15 ·
Undergrad Understanding the Franck-Hertz Experiment: Causes of Current Drop
- Helphelphelp
- · Replies 2 ·
Undergrad Building a List of Feynman Diagrams
- woody stanford
- · Replies 3 ·
Undergrad Discovery shakes up QM (or not....)
- entropy1
- · Replies 8 ·
High School Position Operator: Mathematically Defined
- Naman Jain Kota
- · Replies 1 ·
High School Quantum view of time versus relativistic view of time
- Jonny Cruz
- · Replies 8 ·
Undergrad Wavelength of a Stationary Particle
- Drakkith
- · Replies 7 ·
Undergrad Quantum superposition from interference?
- exmarine
- · Replies 4 ·
Undergrad Quantum nonlocality in relation to FTL Communication
- Gary0509
- · Replies 8 ·
Graduate How Does SPDC Happen? A Guide for Beginners
- Uriel
- · Replies 10 ·
Undergrad Comparing Reduced Planck Masses
- Figaro
- · Replies 2 ·
Undergrad How to diagonalize Hamiltonian with Zeeman field
- aaaa202
- · Replies 5 ·
Undergrad Can you explain me the given planks hypothesis better?
- lawrence123456
- · Replies 1 ·
High School Possible Controversial Quantum Topics
- JB321
- · Replies 19 ·
Undergrad Energy associated with matter waves of macroscopic objects
- Heman_s
- · Replies 1 ·
Undergrad Why do Hydrogen bound states span the Hilbert space?
- HomogenousCow
- · Replies 3 ·
High School What does it take to understand quantum mechanics?
- Brandon1989
- · Replies 10 ·
Undergrad What oscillates in matter waves?
- lawrence123456
- · Replies 1 ·
Undergrad Imposition of relativistic constraints on Bell's theorem
- petrushkagoogol
- · Replies 1 ·
Undergrad Can you extract useful work from vacuum energy?
- Kavorka
- · Replies 9 ·
High School Life of free electrons in space
- Tareq Naushad
- · Replies 2 ·
High School Help Understanding the Uncertainty Principle
- Chris Frisella
- · Replies 8 ·
Undergrad Can the Pauli Exclusion Principle be explained through quantum states?
- avito009
- · Replies 11 ·
Undergrad What is Quantum Decoherence and How Does it Affect Quantum Systems?
- Katyan Anshuman
- · Replies 1 ·
Graduate Does this experiment truly rule out non-local causality?
- bohm2
- · Replies 13 ·
High School Heisenberg's uncertainty principle and photons
- Comscistudent
- · Replies 6 ·
Graduate How are energy levels and De-Broglie wavelengths related in the Bohr model?
- blackdranzer
- · Replies 2 ·
Graduate Geometric Quantum mechanics -- Worked examples?
- andresB
- · Replies 2 ·
Undergrad Electron configuration vs. Lewis dot structure?
- nehCrM
- · Replies 1 ·
Undergrad Can the 1D Wave Equation Accurately Describe dΨ(x)/dt?
- AleksanderPhy
- · Replies 3 ·
High School From where electron and proton get there charges?
- akashpandey
- · Replies 3 ·
Undergrad Reduced mass effect on gyromagnetic factor
- Khashishi
- · Replies 1 ·
Undergrad Klein-Gordon Equation: Forming a Conservation of Charge
- TimeRip496
- · Replies 5 ·
Graduate Some questions about the Finite Potential Well
- Guaicai
- · Replies 1 ·
High School Are there bosons for the quantum potential field?
- cube137
- · Replies 9 ·
Undergrad How to visualise an instanton?
- mollwollfumble
- · Replies 2 ·
Undergrad What is the role of entropy in particle decay theory?
- ribbie
- · Replies 11 ·
Undergrad How does a single photon camera pixel work?
- woody stanford
- · Replies 5 ·
Graduate Entanglement between nuclei via fission
- looseleaf
- · Replies 10 ·
Graduate How Does the Dirac Spin Exchange Operator Work in Quantum Mechanics?
- MisterX
- · Replies 1 ·
Undergrad Does quantum mechanics obey causality?
- n01
- · Replies 80 ·
High School Quantum communication will allow view the future and past?
- rrguardo
- · Replies 1 ·
Graduate Questions about the Dimensions Analysts changing the equation
- Guaicai
- · Replies 1 ·
High School Shape of elementary particles in QFT, etc?
- icantevenn
- · Replies 41 ·
Undergrad Wavelength of photons exchanged between charged particles
- Sophrosyne
- · Replies 4 ·
Undergrad Why must force-carrying particles be virtual?
- LarryS
- · Replies 9 ·
Undergrad Heisenberg Uncertainty Principle
- Chris Hamilton
- · Replies 3 ·
Graduate Is the Quantum State in a Dressed Atom System Pure?
- Chenyb
- · Replies 1 ·
Undergrad Virtual photons [in electrostatic interactions]
- kent davidge
- · Replies 12 ·
Undergrad A few questions about Griffiths book
- Isaac0427
- · Replies 38 ·
Undergrad What's the motivation for bracket notation in QM?
- gulfcoastfella
- · Replies 15 ·
Undergrad Physical eigenstates of systems of n particles of spins sᵢ?
- tomdodd4598
- · Replies 4 ·
Undergrad Uncovering the Conceptual Catch in EPR Proposal for Non-Commutative Variables
- Adel Makram
- · Replies 39 ·
Undergrad Delayed Choice Black Hole Experiment
- Ontophobe
- · Replies 2 ·
Undergrad Question about Hawking radiation
- physics user1
- · Replies 7 ·
Undergrad Do Bob's measurement choices affect Alice's?
- Paul Colby
- · Replies 35 ·
Graduate Commutator of field operator with arbitrary functions
- eudo
- · Replies 2 ·
Undergrad What is the correct explanation of the Casimir force?
- andrew s 1905
- · Replies 49 ·
Undergrad About the time evolution of a wave packet
- KFC
- · Replies 15 ·
Undergrad Spin 1/2 particle emitting spin 2 particle?
- jjustinn
- · Replies 1 ·
Undergrad Linear equations and superposition of wavefunctions
- dyn
- · Replies 4 ·
Undergrad Looking for straight explanation of entanglement
- KFC
- · Replies 10 ·
Undergrad Understanding Thermalisation in Particle Systems
- Frank Castle
- · Replies 12 ·
Undergrad How Does Heisenberg's Matrix Mechanics Relate to Dirac's Notation?
- Sophrosyne
- · Replies 2 ·
Graduate I have some problems with units, can someone help me?
- amelos
- · Replies 6 ·
Undergrad What is the relationship between entanglement and entropy in quantum systems?
- valanna
- · Replies 8 ·
High School What exactly is quantum physics?
- Flare12
- · Replies 4 ·
High School Why exp(ikx-iwt) and not exp(ikx+iwt)?
- Isaac0427
- · Replies 5 ·
High School Is There Experimental Proof for the Existence of Fermion Fields?
- bluecap
- · Replies 8 ·
High School A question about quantum entanglement
- RRoader
- · Replies 2 ·
High School Understanding Chemical Bonds: How Does Quantum Mechanics Explain Them?
- Intle
- · Replies 1 ·
High School How Do Quantum Dots and NV Centers Measure Single Electron Spin Changes?
- bluecap
- · Replies 2 ·
High School Why Can't We Choose an Electron's Spin?
- BenAS
- · Replies 9 ·