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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

Graduate Understanding Barandes' microscopic theory of causality
Graduate Why Hamiltonian and L^2 Don't Commute in Linear Molecules
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Graduate Understanding of double silts experiment
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Undergrad Atomic & Molecular Symbols: What Do They Mean?
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Graduate How is entropy defined by boundary area in Holographic Principle?
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Graduate Is the Casimir Effect the Same for Insulators as for Metals?
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Undergrad Hartree & Hartree-Fock: What's the Difference?
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Graduate Reduce QED to QM: A Restatement Based on Creation/Annihilation Operators
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Graduate Wave function and orbital question
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Graduate A single photon traveling in space
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Graduate Deterministic Quantum Mechanics?
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Graduate How Does a Delta Potential Affect Bound States in a Quantum Infinite Well?
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Graduate Wave Packet: What Is It? | Abhimanyu
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Graduate What do the symbols in quantum equations mean?
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Graduate Could space-time be a property of matter in string theory?
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Graduate QED: reflection of light in glass
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Graduate Can I Tell if a State is Ground State?
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Graduate What's actually happening in the photovoltaic effect
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Graduate Model QM Behavior of Particle as Probability Waveguide
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Undergrad Single photon and the double slit
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Graduate Negative energy in Dirac theory
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Undergrad What path do electrons actually take in an orbital
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Undergrad Electrons Jumping: What Does it Mean?
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Graduate How to Label Spin Hamiltonian by Ms in EPR Experiments?
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Graduate Entanglement between particles of no common history
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Undergrad Is Compton Scattering Valid at 180 Degrees?
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Graduate Another Stern-Gerlach Question
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Graduate Interaction picture (Is there a mistake in QFT books?)
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Graduate State of an electron, including spin
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Graduate Heuristic explanation of why quantum mechanics plus SR imply antiparticles
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Graduate Sudden Approximation and Adiabatic theorem
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Graduate Treating operators with continuous spectra as if they had actual eigenvectors?
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Graduate IV curve on photoelectric effect
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Graduate Phonons vs Gauge Bosons: What's the Difference?
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Graduate Is There a Link Between the Brain and Dark Energy?
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Graduate Solving Potential V with Schrodinger Equation
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Undergrad Fundamental reason behind Aufbau principle
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Graduate Adiabatic Spin Manipulation in EPR Experiment
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Undergrad Looking for Layman's Physical Explanation for the lowest energy level in atoms
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Graduate When a particle tunnels where does the energy come from
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Graduate Photons determine the property of an electromagnetic wave
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Graduate Quantum Fluctuations of Negative Energy
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Graduate What is the Lamb-Dicke regime and how does it impact ion trapping experiments?
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Graduate Stern-Gerlach Question: Can Interference be Seen?
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Graduate Raising and lowering operators acting on spin 1 kets?
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Graduate Quantized vs. Continuous Variables
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Graduate Why Is the Uncertainty Principle Considered Strange?
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Undergrad Quantum physics vs classical physics
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Graduate The Hilbert space of non-relativistic QM
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Graduate About momentum operator in other coordinate system
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Graduate Quantum Mechanics: Wave-Particle Duality & Paradox
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Graduate Direct Position Measurement on a Microscopic Scale with Twin Photons
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Graduate Spin ½ Particles: Turning Twice for Identical Results
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Graduate Identical bosons vs. fermions in square potential well
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Graduate Gauge Invariance: Classical vs Quantum
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Graduate Pauli's Wave Mechanics text. h vs. hbar
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Graduate Understanding the Dressed Particle Approach to Quantum Field Theory
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Graduate What is Quantum Theory and Why Do Electrons Orbit at Specific Distances?
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Graduate Product State Bra Order: Correct Form?
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Graduate Reflection and the measurement, and time irreversibility
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Undergrad Why do we use short wavelength photons in Compton scattering?
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Graduate Does the calculated large cosmological constant in falsify QFT?
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Graduate Quantization and fluid mechanics?
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Graduate Evaluating Feynman diagram in QFT without external fermion lines
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Graduate Understanding Energy Partition in Laser Cavity: Molecules vs. Radiation
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Graduate Raising and lowering operators on a ket?
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Graduate Orders of magnutide in Heisenberg's uncertainty principle
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Graduate The intense laser-atom physics and ionized electron
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Graduate Adjoint Operator: Use & Benefits
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Graduate Path Integral Doubt: How Did Shankar Deduce S/h>pi?
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Graduate Heisenberg's Principle: Understanding Time & Energy
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Graduate Understanding Spin States in Quantum Mechanics
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Undergrad Basics of Quantum Chemistry, especially entanglement
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Graduate Is a Photon Massless or Does it Have Relativistic Mass?
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Graduate Operating on spin angular momenta
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Graduate Pulsing a diode laser with very long pulses and very low repetition rates
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Graduate Two Identical Particles w/ Spin State s
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Graduate Born vs ABL Rules: How Do They Relate to Time Reversal in Quantum Mechanics?
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Graduate Greatest accuracy in the |mn> state is |n| = m
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Graduate Conjugate Variables: Uncertainty Relation Explained
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Graduate Question about the delta function
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Graduate Casimir Effect and Perpetual Motion
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Graduate Expectation value for radius of an electron in a hydrogen atom
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Graduate Older formulation of Pauli exclusion principle
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Graduate Drawback of Hartree Product in Chemistry
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Graduate Quantum Communication - Ideas & Solutions
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Graduate Cavitation-does it relate to the Big Bang?
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High School Looking for Layman's Physical Explanation for energy level in atoms
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Graduate Does an electron have a makeup
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Graduate Commutate relation of lowering operator and sperical tensor operators
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Graduate What are the key misconceptions about quantum mechanics interpretations?
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Graduate Stationary State: Energy & Time-Independent Wave Function
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Graduate Atom Shape: Experiments, Spheres & Cubes in Physics
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Graduate Effects of the Variation of the Parameters of the Standard Model
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Graduate What Is the Ground State of Bound Fermions in a Box?
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Graduate Quantum Field Theory: Multiparticles and Single Particles
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Graduate Need a topic for paper in modern physics
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Graduate Quantum Decoherence - how fast does it propagate?
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Graduate Peskin - exponention of disconnected diagrams
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Graduate Uncertainty Principle: Photon Momentum & Universe
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Graduate Question about quantization of scalar field
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