Matter and Methods at Low TemperaturesSpringer Science & Business Media, 17 квіт. 2013 р. - 319 стор. The aim of this book is to provide information about performing experi ments at low temperatures, as well as basic facts concerning the low tem perature properties of liquid and solid matter. To orient the reader, I begin with chapters on these low temperature properties. The major part of the book is then devoted to refrigeration techniques and to the physics on which they are based. Of equal importance, of course, are the definition and measurement of temperature; hence low temperature thermometry is extensively discussed in subsequent chapters. Finally, I describe a variety of design and construction techniques which have turned out to be useful over the years. The content of the book is based on the three-hour-per-week lecture course which I have given several times at the University of Bayreuth between 1983 and 1991. It should be particularly suited for advanced stu dents whose intended masters (diploma) or Ph.D. subject is experimental condensed matter physics at low temperatures. However, I believe that the book will also be of value to experienced scientists, since it describes sev eral very recent advances in experimental low temperature physics and technology, for example, new developments in nuclear refrigeration and thermometry. |
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adiabatic adiabatic demagnetization atoms B₁ bath calibration capacitive capillary carbon coil concentration conduction electrons constant cooling power cryogenic cryostat decreasing demagnetization dewar dilution refrigerator discussed electrical electronic magnetic energy entropy equation experimental experiments Fermi Fermi energy Fermi liquid H₂ heat exchanger heat leaks heat switch Helium-3 impurities interaction isotopes lattice liquid helium low temperatures lower magnetic field magnetic moments magnetic refrigeration materials measured melting curve metal method millikelvin millikelvin temperature mixing chamber mixture nuclear magnetic nuclear refrigeration nuclear spin nuclei paramagnetic perature phonons precooling PrNis properties pump radiation resistor resonance result room temperature sample Sect shield shown in Fig sinter solder solid specific heat SQUID superconducting superfluid surface area T₁ temperature dependence temperature range temperature scale Temperature T mK thermal boundary resistance thermal conductivity thermometer thermometry tion transition tube ture typical vacuum vapour pressure wire μΚ