Formulation of Statistical Mechanics Based on Thermal Pure Quantum States



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Éditeur :

Springer


Collection :

Springer Theses

Paru le : 2017-10-05



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Description

This thesis introduces the concept of "thermal pure quantum (TPQ) states", which are pure quantum states in equilibrium. The author establishes a new formulation of statistical mechanics based on the TPQ states. This formulation allows us to obtain not only mechanical variables but also thermodynamic variables such as entropy and free energy from a single TPQ state. Furthermore, the formulation provides a new physical description in which all fluctuations including thermally driven ones are uniquely identified to be quantum fluctuations.
The use of TPQ formulation has practical advantages in its application to numerical computations and allows for significant reduction in computation cost in numerics. For demonstration purposes, a numerical computation based on TPQ formulation is applied to a frustrated two-dimensional quantum spin model, and the result is also included in this book. 


Pages
73 pages
Collection
Springer Theses
Parution
2017-10-05
Marque
Springer
EAN papier
9789811015052
EAN PDF
9789811015069

Informations sur l'ebook
Nombre pages copiables
0
Nombre pages imprimables
7
Taille du fichier
1792 Ko
Prix
94,94 €
EAN EPUB
9789811015069

Informations sur l'ebook
Nombre pages copiables
0
Nombre pages imprimables
7
Taille du fichier
1331 Ko
Prix
94,94 €