Metamagnetic transition of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant="normal">UPt</mml:mi></mml:mrow><mml:mrow><mml:mn>3</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math>under pressure

Bakker, K.; deVisser, A.; Menovsky, A.A.; Franse, J.J.M.

doi:10.1103/physrevb.46.544

Cited by 13 publications

(5 citation statements)

References 24 publications

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“…3. Their examination shows they are very similar to the scalar-particle ones, confirming those obtained in works with a different scope 18,19,20 . We however notice that, in the best case, the Q −2 QCD asymptotic behavior is not recovered and that relatively standard two-body currents are needed in this order.…”

Section: Introductionsupporting

confidence: 78%

Form Factors of Hadronic Systems in Various Forms of Relativistic Quantum Mechanics

Desplanques

2004

Nstar 2004

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The form factor of hadronic systems in various forms of relativistic quantum mechanics is considered. Motivated by the agreement of the nucleon "point-form" results with experiment, results for a toy model corresponding to the simplest Feynman diagram are first presented. These ones include the results for this diagram, which plays the role of an experiment, for the front-form and instant-form in standard kinematics (q + = 0 and Breit frame), but also in unconventional kinematics and finally a Dirac's point-form inspired approach. Results for an earlier "point-form" approach are reminded. Results are also presented for the pion charge form factor. Conclusions as for the efficiency of various approaches are given.

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Section: Introductionsupporting

confidence: 78%

Form Factors of Hadronic Systems in Various Forms of Relativistic Quantum Mechanics

Desplanques

2004

Nstar 2004

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“…Pressure and Substitution Dependence: One of the hallmarks of heavy fermion materials is the strong pressure and composition dependence of the low temperature properties. In the case of UPt 3 and CeRu 2 Si 2 these investigations were carried out soon after the discovery of metamagnetism 76,77 . Applying hydrostatic pressure the MM transition is shifted to higher fields in both systems with corresponding shifts in the position of the peak in the linear susceptibility to higher temperatures 90 .…”

mentioning

confidence: 99%

“…Willis et al 93 measured the linear susceptibility on polycrystalline samples and obtained a 17% shift in T 1 from 17.6 K at zero pressure to 19.6 K at 4.7 kbar. Bakker et al studied the high field magnetism under pressure and found a linear increase in H c 77 . Given the linear correlation between H c and T 1 these experimental findings are qualitatively consistent.…”

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confidence: 99%

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A Model for Correlated Metamagnets: Application to UPt$_3$ and CeRu$_2$Si$_2$

Shivaram¹

2015

Preprint

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In a model system with three S=1 pseudo-spins situated in an anisotropic mean field we compute the thermodynamic response in a self consistent manner. An adhoc uniform broadening of all energy levels of the (localized) spins due to their interaction with conduction electrons is introduced. The results with a minimal set of parameters reproduce with remarkable fidelity the properties of the strongly correlated metamagnets UPt3 and CeRu2Si2. Several key predictions are made for further experimental confirmation.

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“…To answer this question, highfield high-pressure magnetoresistance measurements have been performed on this peculiar compound. These experiments were motivated by the following considerations: in UPt3, high-field high-pressure experiments have shown that the metamagnetic field shifts to higher field values under pressure with a rate of 0.60 T/kbar [23]; high-pressure resistivity studies by Van Sprang, on the other hand, have shown that the long-range antiferromagnetic order in U(Pto.gs Pdo.os)a is depressed with pressure, pointing to a depression of the long-range-order transition field with pressure [24]. In Figs.…”

Section: Critical Fields In Heavy-fermion Systemsmentioning

confidence: 99%

Research in semi-continuous high magnetic fields

Franse

Boer

Frings

et al. 1994

Physica B: Condensed Matter

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Research in semi-continuous high magnetic fieldsFranse, J.J.M.; de Boer, F.R.; Frings, P.H.; de Visser, A. General rightsIt is not permitted to download or to forward/distribute the text or part of it without the consent of the author(s) and/or copyright holder(s), other than for strictly personal, individual use, unless the work is under an open content license (like Creative Commons). Disclaimer/Complaints regulationsIf you believe that digital publication of certain material infringes any of your rights or (privacy) interests, please let the Library know, stating your reasons. In case of a legitimate complaint, the Library will make the material inaccessible and/or remove it from the website. Please Ask the Library: http://uba.uva.nl/en/contact, or a letter to: Library of the University of Amsterdam, Secretariat, Singel 425, 1012 WP Amsterdam, The Netherlands. You will be contacted as soon as possible. AbstractAn overview is presented of the main recent developments in the areas of research in the 40 T High Field Facility at the University of Amsterdam. In addition, the recent progress concerning the available sample environments for experiments in the facility are discussed.

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Metamagnetic transition ofUPt3under pressure

Cited by 13 publications

References 24 publications

Form Factors of Hadronic Systems in Various Forms of Relativistic Quantum Mechanics

Form Factors of Hadronic Systems in Various Forms of Relativistic Quantum Mechanics

A Model for Correlated Metamagnets: Application to UPt$_3$ and CeRu$_2$Si$_2$

Research in semi-continuous high magnetic fields

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