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Very recently, there has been significant progress with establishing a common phenomenology of the superconducting cuprates in terms of nuclear magnetic resonance (NMR) shift and relaxation. Different from the old interpretation, it was…

Superconductivity · Physics 2020-06-05 Marija Avramovska , Danica Pavićević , Jürgen Haase

Nuclear magnetic resonance (NMR) is a fundamental bulk probe that provides key information about the electronic properties of materials. Very recently, the analysis of all available planar copper shift as well as relaxation data proved that…

Superconductivity · Physics 2020-09-22 Danica Pavićević , Marija Avramovska , Jürgen Haase

Nuclear magnetic resonance (NMR) is a powerful quantum probe, but the early conclusions on the physics of the cuprates, based on a limited set of data, have to be revised in view of recent findings and results from extensive literature…

Superconductivity · Physics 2022-06-29 Jürgen Haase

Nuclear magnetic resonance (NMR) shifts, if stripped off their uncertainties, must hold key information about the electronic fluid in the cuprates. The early shift interpretation that favored a single-fluid scenario will be reviewed, as…

Superconductivity · Physics 2017-05-23 Jürgen Haase , Michael Jurkutat , Jonas Kohlrautz

Nuclear magnetic resonance (NMR) provides local, bulk information about the electronic properties of materials, and it has been influential for theory of high-temperature superconducting cuprates. Importantly, NMR found early that nuclear…

Superconductivity · Physics 2019-03-07 Marija Avramovska , Danica Pavićević , Jürgen Haase

Nuclear Magnetic Resonance (NMR) is a powerful local quantum probe of the electronic structure of materials, but in the absence of reliable theory the interpretation of the NMR data can be challenging. This is true in particular for the…

Superconductivity · Physics 2021-12-21 Marija Avramovska , Jakob Nachtigal , Jürgen Haase

The electronic properties of the high-temperature superconducting cuprates are encoded in complex sets of NMR data, but without microscopic theory, reliable NMR phenomenologies are in demand. Early analyses of NMR could only focus on very…

Superconductivity · Physics 2026-04-22 Abigail Lee , Juergen Haase

Cuprates currently hold the record for the highest temperature superconductivity at ambient pressure, but the microscopic understanding of these materials remains elusive. Here we utilize nuclear magnetic resonance (NMR) data of planar…

Superconductivity · Physics 2025-06-04 Daniel Bandur , Abigail Lee , Jakob Nachtigal , Stefan Tsankov , Juergen Haase

In this communication we consider the doping dependence of the strong antiferromagnetic spin fluctuations in the cuprate superconductors. We investigate the effect of an incommensurate magnetic response, as recently observed in inelastic…

Superconductivity · Physics 2016-08-15 Dirk K. Morr , Jörg Schmalian , David Pines

We show that it is possible to reconcile NMR and neutron scattering experiments on both LSCO and YBCO, by making use of the Millis-Monien-Pines mean field phenomenological expression for the dynamic spin-spin response function, and…

Condensed Matter · Physics 2009-10-28 Y. Zha , V. Barzykin , D. Pines

The letter deals with the spin-freezing process observed by means of NMR-NQR relaxation or by muon spin rotation in underdoped cuprate superconductors. This phenomenon, sometimes referred as coexistence of antiferromagnetic and…

Superconductivity · Physics 2009-11-07 M. Eremin , A. Rigamonti

A microscopic theory for the NMR anomalies of the planar Cu and O sites in superconducting La_1.85Sr_0.15CuO_4 is presented that quantitatively explains the observations without the need to invoke anit-ferromagnetic spin fluctuations on the…

Superconductivity · Physics 2016-09-28 Jamil Tahir-Kheli

Planar oxygen nuclear magnetic resonance (NMR) relaxation and shift data from all cuprate superconductors available in the literature are analyzed. They reveal a temperature independent pseudogap at the Fermi surface, which increases with…

The magnetic state of the single-component molecular compound, [Cu(tmdt)$_{2}$], is investigated by means of $^{1}$H-NMR. An abrupt spectral broadening below 13 K and a sharp peak in nuclear spin-lattice relaxation rate, $T_{1}^{-1}$, at 13…

Strongly Correlated Electrons · Physics 2012-05-31 Rina Takagi , Kazuya Miyagawa , Kazushi Kanoda , Biao Zhou , Akiko Kobayashi , Hayao Kobayashi

We give a quantitative analysis of the previously published nuclear magnetic resonance (NMR) experiments in the k-(ET)2X family of organic charge transfer salts by using the phenomenological spin fluctuation model of Moriya, and Millis,…

Strongly Correlated Electrons · Physics 2009-11-13 Eddy Yusuf , B. J. Powell , Ross H. McKenzie

We determine the magnetic phase diagram for the YBa$_2$Cu$_3$O$_{6+x}$ and La$_{2-x}$Sr$_x$CuO$_4$ systems from various NMR experiments. We discuss the possible interpretation of NMR and neutron scattering experiments in these systems in…

Condensed Matter · Physics 2009-10-28 V. Barzykin , D. Pines

A spin-fermion model that captures the charge-transfer properties of Cu-based high critical temperature superconductors is introduced and studied via Monte Carlo simulations. The strong Coulomb repulsion among $d$-electrons in the Cu…

Strongly Correlated Electrons · Physics 2018-07-25 Mostafa Sherif Derbala Aly Hussein , Maria Daghofer , Elbio Dagotto , Adriana Moreo

Recently, an analysis of all available planar oxygen shift and relaxation data for the cuprate high-temperature superconductors showed that the data can be understood with a simple spin susceptibility from a metallic density of states…

Superconductivity · Physics 2022-01-21 Marija Avramovska , Jakob Nachtigal , Stefan Tsankov , Jürgen Haase

We present a comprehensive $^{31}$P and $^{65}$Cu nuclear magnetic resonance (NMR) study of the layered van der Waals magnet CuCrP$_2$S$_6$. The compound exhibits a sequence of structural and magnetic phase transitions: a high-temperature…

Strongly Correlated Electrons · Physics 2026-04-06 C. S. Saramgi , L. F. Prager , S. Selter , Y. Shemerliuk , S. Aswartham , B. Büchner , H. -J. Grafe , K. M. Ranjith

We report $^{195}$Pt nuclear magnetic resonance (NMR) measurements on topological superconductor candidate YPtBi which has the broken inversion symmetry and topological non-trivial band structures due to the strong spin-orbit coupling(SOC).…

Superconductivity · Physics 2023-08-01 Y. Z. Zhou , J. Chen , Z. X. Li , J. Luo , J. Yang , Y. F. Guo , W. H. Wang , R. Zhou , Guo-qing Zheng
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