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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.

Quantum Interpretations and Foundations

Undergrad New interpretation for the double slit experiment with light?
Graduate Worm Hole Idea: Electron talk at Great Distance
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Graduate Equalities for Paulimatrix averages
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Graduate Annihilation Operators: Prove af(a^\dagger)|n>=df(a^\dagger)/da|0>
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Graduate Could Centripetal Force Be the Key to Understanding Gravity?
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Undergrad Orbitals and Shells: Explained
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Graduate Ryder, QFT, 1985, pg. 40, Eq. (2.69) K = sigma?
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Graduate Proving "If f is Simultaneously an Eigenfunction of L^2 & L_z
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Graduate Displacement operator for coherent states?
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Graduate The Hydrogen Atom (Schrodinger vs original Bohr theory)
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Graduate Wave Formula by complex analysis
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Graduate Double Slit Experiment: Q&A on Photon Detection
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Graduate Can Entangled Particles Still Show Interference in Quantum Experiments?
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Graduate Deck of Cards and Planck Time?
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Graduate Second Quantization: Explaining Creation/Annihilation Operator Transformation
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Graduate Probability of finding a state
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Graduate Can't find that on the dictionary
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Undergrad Maximum detectable wavelength of a photoresistor
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Graduate Do Commuting Operators Always Share a Common Basis of Eigenvectors?
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Graduate Ryder: QFT: 1985: pp. 34-36: SU(2) and O(3)
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Graduate Is a Radio Wave Raser Feasible and How Would It Function?
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Undergrad Energy Levels: What Happens if First Level Contains More Than 2 Electrons?
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Graduate Uncertainty principle and double-slit interference?
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Graduate Quantum Mechanics - Ritz variational principle
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Graduate Decoherence over long distances - thought expt
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Graduate Is QM Phase Inherently Relativistic?
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Graduate What means 'coherence' in quantum mechanics?
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Graduate Wavefunction of Macroscopic Objects
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Graduate Proving Unachievability of Absolute Zero: Uncertainty Principle
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Graduate Entanglement and two particle system
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The reality of the quantum world - article
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Graduate Question about quantum superpostion
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Graduate Is the harmonic oscillator Hamiltonian an unbounded operator?
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Graduate In principle limitations of hidden variable theories
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Graduate Entaglement and hidden variables
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Graduate Optical Transitions: Free Info on Spontaneous Emission & Rabi Frequency
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Graduate Adibatic Approx.(i.e., Born-Oppenheimer)
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Graduate What is a 'representation' in Field Theory
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Graduate Is it possible a virtual photon is massive particle?
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Graduate What does Wikkepedia mean when they talk about Quantum tunnelling
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Graduate The conjugate of a Wave-Function
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Graduate Why is psi equal to psi' in vector expressions in QM?
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Graduate Composite Bosons: Understanding Their Behavior at Near Absolute Zero
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Graduate Why are the transitions in a Caesium atom called D1 and D2?
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Graduate Methods of ionisation/excitation
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Graduate How to Calculate Second Order Correlation from Master Equation?
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Graduate Leó Szilárd invented a feedback protocol1
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Graduate Dirac Spinor Algebra: Simplifying Expressions
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Graduate Is there always a real solution for every real Hermitian eigevalue problem?
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Graduate Can Single Photon Beams Exhibit Coherence?
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Graduate Question about Dr. Chinese's example of Bell's Theorem
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Graduate Quantized Energy Levels: Understanding the Basis of Schrodinger's Equation
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Graduate Calculating <\chi_3|H|\chi_3> w/ Dirac Notation Algebra
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Graduate Does this expression has an exact solution?
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Graduate Exploring Quantum Theory: Schrödinger's Cat & the Many-Worlds Interpretation
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Graduate Quantizing the Klein-Gordon equation
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Graduate Is there some reverse of annihilation?
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Graduate Unraveling QM Postulate 3: From Origin to Implications
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Graduate How can I apply quantum mechanics to describe a photon gas in a box?
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Graduate Two-particle fermionic basis states
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Graduate Mixed State Eigenfuntion Equations
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Undergrad Double slit experiment with electrons and larger particles
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Graduate Why do we have to use operators in QM?
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Graduate Question on Stern Gerlach experiment
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Graduate Lacking information of the general quantum physics explanation
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Graduate Elementary QFT question, part 2
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Graduate Quantum immortality and engineering your universe?
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  • Poll Poll
Graduate How many believes in Quantum Immortality ?
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Graduate QFT Commutator (momentum and Hamiltonian) Issue
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Graduate Heisenberg uncertainty principle derivation and canonically conjugate vairables?
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Graduate Quantum Coaching on company website
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Graduate Is every Hamiltonian necessarily Hermitean?
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Graduate Self-learning QFT for mathematicians
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Graduate Non-separability and solipsism
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Graduate BRST Transformation: Notation & Nilpotency of s Operator
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Undergrad Light propagation through polarizers
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Graduate Explaining Continuous Time Random Walks: What Is It and How Is It Used?
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Undergrad Trouble understanding band theory
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Graduate Why vacuum has negative pressure?
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Graduate Trouble understanding spin-1 Pauli matrices
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Graduate Is There a Connection Between Quantum Physics and the Golden Ratio?
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Graduate Entanglement carrying data variant
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Graduate Is There an Alternative to Fermi's Golden Rule for E&M Wave Equations?
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Graduate Freewill = Macro Quantum Mechanics?
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Graduate What Are the Commutator Relations Between Hermitean Operators A and B?
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Graduate Spin Angular Momentum matrix of an antineutrino
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Graduate Adiabatic Curvature - Deduce the Local Adiabatic Curvature K
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Graduate Electromagnetic field in vacuum
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Graduate Delayed Quantum Erasure Double Slit with Observer Choice Available
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Undergrad Can Energy Be Converted to Mass?
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Graduate Wondering about QM whether things are actually all deterministic?
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Graduate Cause of the Heisenberg Uncertainty Principle
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Graduate A Few Clear Questions on the Nature of Quantum Theory
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Graduate How Do Photons Relate to Light's Wave-Particle Duality?
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Graduate DoF of a Gauge Boson - Why Only 1 for Virtual Photons?
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Graduate Transfer matrix, section in Jan Smit's book on Lattice Fields theory
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Graduate Simplified Hausdorf-Campbell formula
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Undergrad What Are the Dimensions of One-Dimensional Wave Functions?
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Graduate Is the Uncertainty Principle Statistical? And if so
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Graduate Find Matrix Representation of Green's Function | References
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Graduate The origin of the quantum vacuum?
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