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 How does entanglement occur at such incredible speeds?
- Lunct
- · Replies 10 ·
High School Question about the Heisenberg U.P. & the Observer Effect
- victorhugo
- · Replies 11 ·
Graduate How can quantum mechanics contribute in a Nuclear reactor
- madhisoka
- · Replies 10 ·
High School Momentum in Atoms: Understanding its Role in Potential Energy
- mieral
- · Replies 17 ·
High School What is the wave function for a single electron?
- Quandry
- · Replies 11 ·
Undergrad Creation operator and Wavefunction relationship
- DeathbyGreen
- · Replies 6 ·
High School How do we know some particles don't exist until measured?
- Lunct
- · Replies 70 ·
High School How Precise Can QED Predict the Motion of Charged Particles?
- goran d
- · Replies 3 ·
Graduate Problem about Kohn Hohenberg theorem
- georg gill
- · Replies 3 ·
High School How is the Schrodinger Equation used in calculating forces of nature?
- mieral
- · Replies 28 ·
Undergrad Concerning the Nature of Quantum Measurement....
- PotentialReasoning
- · Replies 4 ·
Undergrad Is the Joint-State of Alice and Bob's Instruments Separable in Spacetime?
- Eye_in_the_Sky
- · Replies 35 ·
Undergrad Difference between field and wave equation
- Silviu
- · Replies 8 ·
Undergrad Question about quantum entanglement
- STAR GIRL
- · Replies 2 ·
High School Is Decoherence Enough to Solve the Measurement Problem in Wave-Particle Duality?
- Jman091
- · Replies 5 ·
High School Question on the Bohr atomic model and energy
- physics user1
- · Replies 2 ·
Graduate Deriving total energy in a Hydrogen molecule
- fisher garry
- · Replies 2 ·
Undergrad Calculate the energy of the electron in a non-H like atom
- jorgeha
- · Replies 6 ·
High School Does the double slit experiment reveal evidence of quantum entanglement?
- Trollfaz
- · Replies 8 ·
High School Is it possible for any wave to be in a complex of waves?
- Gary Smith
- · Replies 8 ·
Undergrad How electrons move in subatomic world?
- Quantum Velocity
- · Replies 6 ·
Graduate Simple way to create entangled photon pairs?
- Cleber
- · Replies 21 ·
Undergrad How can an atom reach less than absolute zero?
- Quantum Velocity
- · Replies 35 ·
Undergrad Why doesn't momentum transfer on mirrors reveal which path?
- greypilgrim
- · Replies 9 ·
Graduate Calculate the moment of inertia of H with the probability from wavefunction
- fisher garry
- · Replies 8 ·
Undergrad Forms of the Uncertainty Principle
- Thejas15101998
- · Replies 10 ·
Undergrad Mainstream quantum physics and consciousness
- Gary Smith
- · Replies 7 ·
Insights Entanglement Entropy - Part 1: Quantum Mechanics - Comments
- ShayanJ
- · Replies 22 ·
Undergrad Question about the quantum Zeno effect again
- Trollfaz
- · Replies 22 ·
Undergrad QM: Measurement & Wave Function Change
- Silviu
- · Replies 42 ·
Undergrad Unlock the Mystery of Matter: Is Consciousness Within?
- Gary Smith
- · Replies 1 ·
Graduate Is the overlap of coherent states circular symmetric?
- Danny Boy
- · Replies 1 ·
High School Can a particle be in two entanglements at the same time?
- Lunct
- · Replies 3 ·
High School What are the practical applications of QM and QFT?
- mieral
- · Replies 3 ·
High School Unanswered questions of quantum physics
- Gary Smith
- · Replies 2 ·
Undergrad Are special relativity rules encoded in the Dirac equation?
- raeed
- · Replies 1 ·
Undergrad Satellite based entanglement over 1200 km
- Auto-Didact
- · Replies 1 ·
Insights Entanglement Entropy – Part 2: Quantum Field Theory - Comments
- ShayanJ
- · Replies 3 ·
High School Simple intro about Schrödinger's cat metaphor
- houlahound
- · Replies 2 ·
Undergrad How can the total orbital angular momentum be zero?
- steve_a
- · Replies 28 ·
Graduate Using feedback in quantum measurements
- Johny Boy
- · Replies 7 ·
Undergrad Understanding the Effects of Entanglement in Radioactive Decay
- Trollfaz
- · Replies 3 ·
Graduate What are the probabilities of multiverses?
- Bibatshu Thapa
- · Replies 3 ·
High School Understanding the Ontic Nature of Wave Function in Quantum Mechanics
- fanieh
- · Replies 10 ·
Graduate Bohr's solution to the EPR paradox
- PGaccount
- · Replies 100 ·
Undergrad Kinetic and Potential energy operators commutation
- Dinara
- · Replies 14 ·
Undergrad Photosynthesis and quantum randomness
- Atla2017
- · Replies 2 ·
Undergrad Does measurement change the energy of a system?
- arpon
- · Replies 2 ·
Undergrad Quantum mechanics and gravity of Greenberger
- exponent137
- · Replies 5 ·
Undergrad The symmetry argument and expectation value
- i_hate_math
- · Replies 6 ·
High School Photon Position: Is It Less Classical Than Massive Particles?
- zonde
- · Replies 20 ·
Undergrad Delayed choice experiment affecting the past
- Trollfaz
- · Replies 25 ·
Undergrad Is the Dimensionality of Vector Spaces the Same for Different Quantum States?
- arpon
- · Replies 1 ·
High School Understanding Quantum Theory: Wave vs Vector in Hilbert Space
- fanieh
- · Replies 38 ·
Undergrad Is Wave-Particle Duality Still Relevant in Modern Physics?
- Dadface
- · Replies 90 ·
Undergrad Why is E not equal to p^2/2m for a particle in a box?
- Happiness
- · Replies 73 ·
High School What kind of difference would particles have?
- Lunct
- · Replies 10 ·
Undergrad Questions on Black Hole Entanglement and ER-Bridges
- Jaydwill10
- · Replies 12 ·
Undergrad Understanding QM Proof: Wavefunction in Orthonormal Eigenfunctions
- Silviu
- · Replies 3 ·
Undergrad Many measurements are not covered by Born's rule
- A. Neumaier
- · Replies 96 ·
High School Wave-particle-duality and the evolution of the universe
- Akriel
- · Replies 17 ·
Undergrad How a particle localized in half of a box changes over time
- Happiness
- · Replies 20 ·
Undergrad Size of an electron and Planck Volume.
- Arman777
- · Replies 12 ·
Undergrad Can superdense coding be achieved without quantum memory?
- Armchair
- · Replies 1 ·
High School Double slit experiment question
- Trollfaz
- · Replies 3 ·
Undergrad Stationary states (The Bohr hydrogen atom)
- Erenjaeger
- · Replies 1 ·
High School Examples of systems that evolve deterministically
- Blue Scallop
- · Replies 13 ·
Graduate What's Your Answer To Dyson's Challenge
- bhobba
- · Replies 12 ·
Undergrad If there are gravitons, is space not curved?
- Pjpic
- · Replies 10 ·
High School What is the comparison between the Born rule and thermodynamics?
- Blue Scallop
- · Replies 95 ·
Undergrad How many electron positron pairs are created
- Admiller
- · Replies 8 ·
High School How do we know superposition exists?
- Lunct
- · Replies 12 ·
Graduate Counterfactual Transmission of Information
- cosmik debris
- · Replies 7 ·
Undergrad Why must the wave function be continuous in an infinite well?
- Happiness
- · Replies 18 ·
Insights Damped Motion in Classical and Quantum Mechanics - Comments
- hilbert2
- · Replies 21 ·
High School How to understand unitarity in QM?
- Grinkle
- · Replies 81 ·
Undergrad Emitting Photon and Energy Change
- Arman777
- · Replies 6 ·
High School Can the law of conservation of energy of be broken?
- Lunct
- · Replies 12 ·
Undergrad Spin and magnetic field of a photon
- Cecilie Glittum
- · Replies 58 ·
Undergrad What is the basic concept of the spin of a particle
- Pyrus
- · Replies 28 ·
Undergrad Is this an accurate article on the shape of a photon?
- Ephemerality
- · Replies 1 ·
High School Absolute zero by definition is "nothing"
- GregoryC
- · Replies 6 ·
High School Speed of light or speed of causality?
- member 563992
- · Replies 9 ·
High School What is the significance of the Planck length in physics?
- Lunct
- · Replies 8 ·
Undergrad What are the units for the Heisenberg Uncertainty Principle?
- Lunct
- · Replies 4 ·
Undergrad One by one photon delay in double slit experiment
- hkonstas
- · Replies 2 ·
Undergrad Electron wavefunction as an overlap of orbitals
- WrongMan
- · Replies 3 ·
Undergrad Why can you write the solution in this form?
- cristianbahena
- · Replies 1 ·
Undergrad Are quantum harmonic oscillators and radiation modes equal?
- Suekdccia
- · Replies 1 ·
Graduate What does a CPT transformation do to particle properties?
- Geonaut
- · Replies 14 ·
Graduate Bright, dark soliton for cubic-quintic nonlinear Schrodinger
- dongsh2
- · Replies 1 ·
High School How did we measure the mass of Quarks?
- mpolo
- · Replies 5 ·
Undergrad Wave-Particle Duality of Electrons
- Gia Reinhart
- · Replies 10 ·
High School Why only certain colors in emission spectrum are visible?
- Toleisnon
- · Replies 6 ·
Undergrad Does realism imply locality or vice versa?
- Sunny Singh
- · Replies 120 ·
Undergrad What is an Eigenstate in Relation to Schrodinger Equation?
- CookieSalesman
- · Replies 15 ·
Undergrad Shor Algorithm - Post measurement state
- Ricardo Belchior
- · Replies 7 ·
High School Double Slit Experiment: Timing & Reflection Interference
- Andy_K
- · Replies 16 ·
Undergrad Does reality really exist when not measured?
- Trollfaz
- · Replies 11 ·
Undergrad Cosmological constant estimation in QFT
- ueit
- · Replies 1 ·