Magnetothermal Properties Near Quantum Criticality In The Itinerant Metamagnet

Quantum criticality refers to the behavior of materials at extremely low temperatures, where quantum mechanical effects dominate and conventional theories fail to provide accurate explanations. In recent years, scientists have been intrigued by the magnetothermal properties near quantum criticality in the itinerant metamagnet.

Understanding Quantum Criticality

Quantum criticality occurs when a material undergoes a phase transition at absolute zero temperature (0 Kelvin). These transitions are characterized by the sudden change in the material's properties, such as conductivity, magnetic susceptibility, and heat capacity. Researchers aim to understand the fundamental physics behind these critical points to unlock new possibilities in materials science and quantum computing.

The itinerant metamagnet is an ideal system to study magnetothermal properties near quantum criticality due to its unique response to external magnetic fields. This material exhibits remarkable changes in its magnetic behavior, including sudden jumps in magnetization and hysteretic effects, as the external field is varied. These magnetic phenomena provide valuable insights into the interplay between quantum mechanics and temperature.

Magnetothermal Properties near Quantum Criticality in the Itinerant Metamagnet Sr3Ru2O7 (Springer Theses)

by Andreas W Rost(2010th Edition)

4.7 out of 5

Language	:	English
File size	:	3704 KB
Text-to-Speech	:	Enabled
Screen Reader	:	Supported
Enhanced typesetting	:	Enabled
Word Wise	:	Enabled
Print length	:	396 pages
Lending	:	Enabled
Hardcover	:	155 pages
Item Weight	:	15.3 ounces
Dimensions	:	6.14 x 0.44 x 9.21 inches

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Investigating the Magnetothermal Properties

To explore the magnetothermal properties near quantum criticality, scientists employ a variety of experimental techniques. One such method is the measurement of the magnetic susceptibility as a function of temperature and magnetic field. By studying how the material responds to changes in both parameters, researchers can map out the phase diagram and identify the critical point where quantum criticality is observed.

Additionally, researchers investigate the heat capacity near quantum criticality. Heat capacity refers to the amount of heat energy required to raise the temperature of a material by a certain amount. Near the critical point, scientists have observed anomalous behavior in the heat capacity, such as divergent peaks or logarithmic temperature dependence. These findings challenge conventional theories and inspire new theoretical developments in the field.

Potential Applications

Understanding the magnetothermal properties near quantum criticality in the itinerant metamagnet has exciting potential applications. First and foremost, this research could pave the way for the development of advanced magnetic materials with enhanced properties. By harnessing the quantum effects and manipulating the critical point, scientists may be able to engineer materials with improved magnetic storage capabilities, energy conversion efficiencies, or even quantum computing functionalities.

Furthermore, the study of quantum criticality can shed light on the behavior of other complex materials and systems. Many condensed matter systems, such as high-temperature superconductors or heavy fermion compounds, exhibit quantum critical behavior, and understanding the magnetothermal properties near quantum criticality in the itinerant metamagnet could provide valuable insights into these systems as well.

The exploration of magnetothermal properties near quantum criticality in the itinerant metamagnet represents a fascinating field of research. Scientists continue to investigate the unique characteristics of this material and unravel the mysteries of quantum criticality. Through experimental techniques and theoretical developments, they aim to understand the fundamental physics behind these phenomena and harness their potential for technological advancements.

Magnetothermal Properties near Quantum Criticality in the Itinerant Metamagnet Sr3Ru2O7 (Springer Theses)

by Andreas W Rost(2010th Edition)

4.7 out of 5

Language	:	English
File size	:	3704 KB
Text-to-Speech	:	Enabled
Screen Reader	:	Supported
Enhanced typesetting	:	Enabled
Word Wise	:	Enabled
Print length	:	396 pages
Lending	:	Enabled
Hardcover	:	155 pages
Item Weight	:	15.3 ounces
Dimensions	:	6.14 x 0.44 x 9.21 inches

FREE

Our department nominated this thesis for a Springer award because we regard it as an outstanding piece of work, carried out with a remarkable level of independence. Andreas Rost joined us in 2005, as one of the inaugural Prize Students of the Scottish Universities Physics Alliance. Our research group has been working on Sr Ru O , in collaboration with our colleagues in the group of Professor Y. Maeno 3 2 7 at Kyoto, since 1998. By early 2005 we had tantalising evidence that a novel phase was forming at very low temperatures, in an overall phase diagram dominated by quantum ?uctuations. We knew that comprehensive thermodynamic information would be needed in order to understand how this was happening, and that the demanding constraints of low temperature and high magnetic ?eld meant that bespoke apparatus would need to be constructed. Andreas had studied the speci?c heat of glasses below 50 mK during his diploma thesis work at Heidelberg, and was brimming with ideas about how to proceed. We gave him advice, and constantly discussed the physics with him, but quickly realised that the best way to proceed practically was to give him a budget, and let him take the main design decisions, double-checking with us from time to time.