FYSS6325 Cryogenics (5 cr)

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Study level:

Advanced studies

Grading scale:

0-5

Language:

English, Finnish

Responsible organisation:

Department of Physics

Curriculum periods:

2020-2021, 2021-2022, 2022-2023

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 one topic in cryogenics

give a seminar talk on one topic in cryogenics

Description of prerequisites

FYSA2001 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 2020-2021.

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

Teaching (5 cr)

Type:

Participation in teaching