Quantum Wave Packet Dynamics and Spreading
A wave packet is a localized quantum state that spreads over time. Its evolution under the Schrödinger equation, tunneling, revivals and experiments.
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Tagged: Schrodinger Equation
15 articles
Simulating Open Quantum Systems and Their Noise
Open quantum systems interact with their environment. How they are simulated with master equations, quantum trajectories and Monte Carlo wavefunctions.
Quantum Transport Simulations in Nanoscale Devices
Quantum transport simulations predict how electrons move through nanoscale devices. Methods, tunneling, interference and applications in device design.
Quantum Statistical Mechanics: Ensembles With Qubits
Quantum statistical mechanics describes quantum systems in thermal equilibrium. Ensembles, partition functions, Fermi-Dirac and Bose-Einstein statistics.
Adiabatic Evolution: The Slow Path to a Solution
Adiabatic evolution keeps a system in its ground state if a Hamiltonian changes slowly enough. The theorem, the steps and uses in optimization.
The Superposition Principle: Linearity in Quantum
The superposition principle says any linear combination of quantum states is also a valid state. History, examples, experiments and uses.
Quantum Chemistry Simulations: What Runs Today
Which quantum chemistry simulations run today, classical methods such as Hartree-Fock and DFT, and where quantum computers might add value.
Quantum Foundations: The Questions Still Open
The open questions in the foundations of quantum mechanics: measurement, interpretation, non-locality and what the theory says about reality.
The Quantum Mechanical Model: How It Replaced Bohr
How the quantum mechanical model replaced Bohr’s atom: the Schrödinger equation, quantum numbers, orbitals, electron clouds and energy levels.
The Quantum Jump: What Happens When States Change
What a quantum jump is: the sudden transition of a system between energy states, its history, recent experiments and related quantum ideas.
What Is Quantum Tunnelling?
Quantum tunneling lets particles cross energy barriers they classically could not. The physics, tunneling probability, experiments and technologies.
Quantum Suicide and Immortality: The Experiment
The quantum suicide thought experiment and quantum immortality: how they follow from the many-worlds interpretation and why physicists dispute them.
