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From Molecular to Continuum Physics I

Paolo Carloni, Stephan Blügel, Emiliano Ippoliti, Jens Dreyer, Paul Strodel 


Scope of the course: To provide key theoretical concepts of atomistic simulation, from first principle quantum mechnical approaches to stochastic dynamics.

Programme

- Ab initio Molecular Dynamics: principle and practical implementation with planewaves and pseudopotentials
- Classical Molecular Dynamics and Hybrid QM/MM Methods - Tutorial
- Simulations in the NVT and NPT ensembles
- Free energy calculations
- Langevin Dynamics. Brownian Dynamics
- Computational Molecular Spectroscopy

Literature:

1. D. Frenkel and B. Smit: Understanding Molecular Simulation (2002)
2. A. Leach: Molecular Modeling - Principle and Applications (2001)
3. D. Marx and J. Hutter: Ab initio Molecular Dynamics: Basic Theory and Advanced Methods (2009)

Lecture notes and slides



Basic knowledge required for the course - Preparation material
(Regular font = essential, Italics = useful)

Mathematics
 •  Functions, Taylor expansions, series
 •  Basic differential and integral calculus
 •  Vector analysis, matrix algebra
 •  Differential and integral calculus for several variables
 •  Fourier series and transformation
 •  Simple differential equations

Physics
 •  Basic thermodynamics
• Temperature, ideal gas, kinetic gas theory, laws of thermodynamics
 •  Statistical thermodynamics
• Canonical ensemble, Boltzmann statistics, partition functions, internal and free energy, entropy
 •  Basic electrostatics
 •  Classical mechanics
• Newtonian, Lagrangian, Hamiltonian mechanics
 •  Quantum mechanics
• Wave mechanics
• Wave function and Born probability interpretation
• Schrödinger equation
Simple systems for which there is an analytical solution
Free particle
Particle in a box, particle on a ring
Rigid rotator
Harmonic oscillator
• Basics
• Uncertainty relation
• Operators and expectation values
• Angular momentum
• Hydrogen atom
• Energy values, atomic orbitals
Electron spin
Quantum mechanics of several particles (Pauli principle)
Many electron atoms
Periodic system: structural principle
Molecules
Two-atomic molecules (H2+,H2, X2)
Many-atomic molecules

Structural Chemistry
 •  States of matter
 •  Types of chemical bonding
Ionic bond, covalent bond, metallic bond
Hydrogen bonding
 •  Structure of Hydrocarbons
Alkanes, alkenes, alkines
Aromatics
Alcohols, carbonyl compounds (aldehydes, ketones), carboxylic acids, ester

Computer Science
 •  Basic working knowledge of linux/unix operating systems
 •  Basic programming knowledge, e.g. in C, C++, Fortran, Java, Python, Perl, etc.