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The field and temperature dependence of the de Haas-van Alphen oscillations spectrum is studied for an ideal two-dimensional compensated metal. It is shown that the chemical potential oscillations, involved in the frequency combinations…

Statistical Mechanics · Physics 2009-11-13 Jean-Yves Fortin , Alain Audouard

According to band structure calculations, the Fermi surface of the quasi-two dimensional metal $\theta$-(ET) 4 ZnBr 4 (C 6 H 4 Cl 2) illustrates the linear chain of coupled orbits model. Accordingly, de Haas-van Alphen oscillations spectra…

De Haas-van Alphen oscillations are studied for Fermi surfaces (FS) illustrating the model proposed by Pippard in the early sixties, namely the linear chain of orbits coupled by magnetic breakdown. This FS topology is relevant for many…

Strongly Correlated Electrons · Physics 2015-06-17 Alain Audouard , Jean-Yves Fortin

Field-, temperature- and angle-dependent Fourier amplitude of de Haas-van Alphen (dHvA) oscillations are calculated for compensated two-dimensional (2D) metals with textbook Fermi surface (FS) composed of one hole and two electron orbits…

The de Haas - van Alphen effect in quasi-two-dimensional metals is studied at arbitrary parameters. The oscillations of the chemical potential may substantially change the temperature dependence of harmonic amplitudes that is usually used…

Statistical Mechanics · Physics 2009-11-07 Pavel Grigoriev

The de Haas-van Alphen effect (dHvAe), describing oscillations of the magnetization as a function of magnetic field, is commonly assumed to be a definite sign for the presence of a Fermi surface (FS). Indeed, the effect forms the basis of a…

Strongly Correlated Electrons · Physics 2015-10-05 Johannes Knolle , Nigel R. Cooper

De Haas-van Alphen oscillations of the organic metal \k{appa}-(ET) 2 Cu(SCN) 2 have been measured up to 55 T at liquid helium temperatures. The Fermi surface of this charge transfer salt is a textbook example of linear chain of orbits…

Strongly Correlated Electrons · Physics 2016-06-22 Alain Audouard , Jean-Yves Fortin , David Vignolles , Vladimir N. Laukhin , Nataliya D. Kushch , Eduard B. Yagubskii

The semi-classical Lifshitz-Kosevich (LK) description of quantum oscillations is extended to a multiband two-dimensional Fermi liquid with a constant number of electrons. The amplitudes of novel oscillations with combination frequencies,…

Strongly Correlated Electrons · Physics 2009-10-31 A. S. Alexandrov , A. M. Bratkovsky

Analytical formulae for de Haas-van Alphen (dHvA) oscillations in linear chain of coupled two-dimensional (2D) orbits (Pippard's model) are derived systematically taking into account the chemical potential oscillations in magnetic field.…

de Haas-van Alphen oscillation spectrum of two-dimensional systems is studied for general power law energy dispersion, yielding a Fermi surface area of the form $S(E)\propto E^\alpha$ for a given energy $E$. The case $\alpha=1$ stands for…

Strongly Correlated Electrons · Physics 2017-04-26 Jean-Yves Fortin , Alain Audouard

Exact analytical results of the de Haas-van Alphen (dHvA) effect in an idealized two-band Fermi liquid with parabolic dispersion are presented. We consider a Fermi surface consisting in two electron bands with different band edges and band…

Statistical Mechanics · Physics 2009-11-10 Jean-Yves Fortin , Emmanuel Perez , Alain Audouard

We study de Haas-van Alphen oscillations in a marginal Fermi liquid resulting from a three-dimensional metal tuned to a quantum-critical point (QCP). We show that the conventional approach based on extensions of the Lifshitz-Kosevich…

Strongly Correlated Electrons · Physics 2024-10-31 P. A. Nosov , Yi-Ming Wu , S. Raghu

We investigate magento-oscillations in the specific heat of non-relativistic fermions with a Fermi surface minimally coupled to a fluctuating U(1) gauge field. Our study is motivated by the recent observation of quantum oscillations in the…

Strongly Correlated Electrons · Physics 2010-07-28 Lars Fritz , Subir Sachdev

We develop a theory of quantum oscillations in insulators with an emergent fermi sea of neutral fermions minimally coupled to an emergent $U(1)$ gauge field. As pointed out by Motrunich (Phys. Rev. B 73, 155115 (2006)), in the presence of a…

Strongly Correlated Electrons · Physics 2018-02-07 Inti Sodemann , Debanjan Chowdhury , T. Senthil

We show that strongly coupled field theories with holographic gravity duals at finite charge density and low temperatures can undergo de Haas - van Alphen quantum oscillations as a function of an external magnetic field. Exhibiting this…

High Energy Physics - Theory · Physics 2009-12-26 Frederik Denef , Sean A. Hartnoll , Subir Sachdev

We report a detailed investigation of the Fermi surface in the layered Dirac semimetal TaNiTe$_5$. We probed the magnetization, magnetic torque and magnetoresistance in high-quality single crystals. Pronounced Shubnikov - de Haas (SdH) and…

Mesoscale and Nanoscale Physics · Physics 2025-07-15 Maximilian Daschner , Bruno Gudac , Mario Novak , Cheng Liu , Friedrich Malte Grosche , Ivan Kokanović

de Haas-van Alphen oscillation spectrum is studied for an idealized two-dimensional Fermi liquid with two parabolic bands in the case of canonical (fixed number of quasiparticles) and grand canonical (fixed chemical potential) ensembles. As…

Statistical Mechanics · Physics 2009-11-10 J. -Y. Fortin , E. Perez , A. Audouard

We investigate a competition of tendencies towards ferromagnetic and incommensurate order in two-dimensional fermionic systems within functional renormalization group technique using temperature as a scale parameter. We assume that the…

Strongly Correlated Electrons · Physics 2011-11-10 P. A. Igoshev , V. Yu. Irkhin , A. A. Katanin

The Lifshitz-Kosevich (LK) theory is the pillar of magnetic quantum oscillations, which have been extensively applied to characterize a wide range of metallic states. In this study, we focus on the Shubnikov-de Haas (SdH) effect observed in…

Materials Science · Physics 2023-10-11 Wei Zhang , C. N. Kuo , S. T. Kuo , Chun Wa So , Jianyu Xie , Kwing To Lai , Wing Chi Yu , C. S. Lue , Hoi Chun Po , Swee K. Goh

We study thermodynamic properties of the two-dimensional (2D) Falicov-Kimball model in the presence of external magnetic field perpendicular to the lattice. The field is taken into account by the Peierls substitution in the hopping term. In…

Strongly Correlated Electrons · Physics 2010-11-15 Maciej Wrobel , Marcin Mierzejewski , Maciej M. Maska
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