FYSS6325 Cryogenics (5 cr)

Open the course unit brochure on Sisu
Study level:
Advanced studies
Grading scale:
0-5
Language:
English, Finnish
Responsible organisation:
Department of Physics
Curriculum periods:
2024-2025, 2025-2026, 2026-2027, 2027-2028

Description

  • properties of cryoliquids

  • solid matter at low temperatures

  • thermal conductance and isolation

  • Helium-4 and closed cycle cryostats

  • Helium-3 cryostats

  • He3-He4 dilution refrigeration;

  • Pomeranchuck cooling

  • adiabatic demagnetization

  • adiabatic nuclear demagnetization

  • temperature scales and fixed points

  • low temperature thermometry 

Learning outcomes

At the end of this course, students will be able to

  • name the main characteristics of cryoliquids,

  • tell about the principles of the properties of solid matter at low temperatures

  • describe the operational principles of He3 and He4 cryostats

  • describe the operational principle of He3-He4 dilution refrigerators

  • explain the idea behind Pomeranchuck cooling

  • explain the mechanisms of electronic and nuclear adiabatic demagnetization

  • define temperature scales and describe a few low-temperature thermometry techniques

  • write a short description of a topic in cryogenics

  • give a seminar talk on a topic in cryogenics 

Description of prerequisites

FYSA2003 Modern Physics, part A or equivalent. 

Study materials

Material produced by other students. 

Literature

  • F. Pobell: Matter and Methods at Low Temperatures 3rd Ed., Springer 2007, ISBN-13 978-3-540-46356-6

Completion methods

Method 1

Description:
Given every three years; scheduled for academic year 2026-2027.
Evaluation criteria:
Total points from course elements (e.g. 30 % assignments, 10 % participation, 10 % project work, 50 % examination).
Time of teaching:
Period 3
Select all marked parts
Parts of the completion methods
x

Teaching (5 cr)

Type:
Participation in teaching
Grading scale:
0-5
Evaluation criteria:
<p>Total points from course elements. Teacher decides relative weights (e.g. 30 % assignments, 10 % participation, 10 % project work, 50 % examination).</p>
Language:
English, Finnish
Study methods:

lectures, seminars, exercises, final exam

No published teaching