| Course title | Statistic Physics |
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| Course code | KFY/STFB |
| Organizational form of instruction | Lecture |
| Level of course | Bachelor |
| Year of study | not specified |
| Semester | Winter and summer |
| Number of ECTS credits | 3 |
| Language of instruction | Czech |
| Status of course | Optional |
| Form of instruction | Face-to-face |
| Work placements | Course does not contain work placement |
| Recommended optional programme components | None |
| Course availability | The course is available to visiting students |
| Lecturer(s) |
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| Course content |
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Matter as many particle system. Macroscopic and microscopic point of view, classical and quantum mechanics description. Statistical nature of observable macroscopic quantities. Equilibrium and relaxation processes. General equation of state and its consequences. Work and heat as energy transfer forms. Entropy and macroscopic state probability. Entropy changes for reversible and irreversible processes. Universe evolution. Entropy in the vicinity of absolute zero temperature. Third law of thermodynamics, impossibility to reach absolute zero temperature. Low-temperature properties of matter. Low-temperature cooling. Thermodynamic equilibrium conditions. Chemical potential. Phase transitions, Ehrenfest's classification. Basic idea of Landau theory of phase transitions and its application to ferroelectric materials. System in thermal equilibrium. Boltzmann's distribution. Canonical ensemble and entropy calculation. Partition function and thermodynamic quantity calculation. Equipartition theorem. Maxwell's distribution of velocities. Gibbs distribution. Bose-Einstein and Fermi-Dirac statistics. Free electrons in metals, Bose-Einstein condensation.
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| Learning activities and teaching methods |
Monological explanation (lecture, presentation,briefing)
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| Learning outcomes |
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Lectures explane statistical nature of basic thermodynamic quantities (thermal energy, entropy, temperature) and thermodynamic laws of energy conversion and increase of entropy. Probability interpretation of entropy establishes a bridge between macroscopic quantities and microscopic quantum-mechanical description of matter. Besides usual investigation of thermodynamic properties of gases and simple solids, low and negative temperatures are examined, as well as phase transitions in ferroelectric and superconducting materials and fluctuations, which are illustrated by computer simulations.
Fundamental knowledge of statistical physics for selected topics |
| Prerequisites |
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Any one
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| Assessment methods and criteria |
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Oral exam, Written exam
Successful answers to the examination questions are necessary for passing the exam. |
| Recommended literature |
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| Study plans that include the course |
| Faculty | Study plan (Version) | Category of Branch/Specialization | Recommended semester |
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