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Strongly correlated Fermi systems : a new state of matter / Miron Amusia, Vasily Shaginyan.

9783030503598 (electronic book)
3030503593 (electronic book)
9783030503581

Cham : Springer, 2020.

English

1 online resource (385 pages).

10.1007/978-3-030-50359-8 doi
10.1007/978-3-030-50

QC793.5.F42

539.7/21

This book focuses on the topological fermion condensation quantum phase transition (FCQPT), a phenomenon that reveals the complex behavior of all strongly correlated Fermi systems, such as heavy fermion metals, quantum spin liquids, quasicrystals, and two-dimensional systems, considering these as a new state of matter. The book combines theoretical evaluations with arguments based on experimental grounds demonstrating that the entirety of very different strongly correlated Fermi systems demonstrates a universal behavior induced by FCQPT. In contrast to the conventional quantum phase transition, whose physics in the quantum critical region are dominated by thermal or quantum fluctuations and characterized by the absence of quasiparticles, the physics of a Fermi system near FCQPT are controlled by a system of quasiparticles resembling the Landau quasiparticles. The book discusses the modification of strongly correlated systems under the action of FCQPT, representing the "missing" instability, which paves the way for developing an entirely new approach to condensed matter theory; and presents this physics as a new method for studying many-body objects. Based on the authors own theoretical investigations, as well as salient theoretical and experimental studies conducted by others, the book is well suited for both students and researchers in the field of condensed matter physics.

Includes bibliographical references and index.

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Description based on print version record.

Springer tracts in modern physics ; 283.

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