Quantum ferromagnet in the proximity of the tricritical point

Quantum phase transitions: Tuned in metallic ferromagnets Clean ferromagnetic systems are predicted to exhibit quantum phase transitions (QPTs) rather than critical points. QPTs happen at zero temperature due to quantum fluctuations between the phases, and can be triggered by non-thermal perturbatio...

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Autores principales:	Petr Opletal, Jan Prokleška, Jaroslav Valenta, Petr Proschek, Vladimír Tkáč, Róbert Tarasenko, Marie Běhounková, Šárka Matoušková, Mohsen M. Abd-Elmeguid, Vladimír Sechovský
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Materials of engineering and construction. Mechanics of materials TA401-492 Atomic physics. Constitution and properties of matter QC170-197
Acceso en línea:	https://doaj.org/article/381ee9ececb24929abdc3f0b0ed7267e
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spelling	oai:doaj.org-article:381ee9ececb24929abdc3f0b0ed7267e2021-12-02T14:18:31ZQuantum ferromagnet in the proximity of the tricritical point10.1038/s41535-017-0035-62397-4648https://doaj.org/article/381ee9ececb24929abdc3f0b0ed7267e2017-06-01T00:00:00Zhttps://doi.org/10.1038/s41535-017-0035-6https://doaj.org/toc/2397-4648Quantum phase transitions: Tuned in metallic ferromagnets Clean ferromagnetic systems are predicted to exhibit quantum phase transitions (QPTs) rather than critical points. QPTs happen at zero temperature due to quantum fluctuations between the phases, and can be triggered by non-thermal perturbations such as hydrostatic pressure, chemical composition or magnetic fields. Jan Prokleška at Czesh Charles University and colleagues from Czech Republic and Germany demonstrate that it is possible to tune the QPT of the metallic ferromagnet UCo1-xRuxAl by pressure or weak Ru doping. The experimental study of QPTs in metallic ferromagnets is typically hindered by the extreme conditions required to drive the system into the transition, or by the presence of additional phases such as superconductivity. Instead, UCo1-xRuxAl allows to get access to the QPT at easily accessible experimental conditions, opening the possibility of studying in detail quantum critical phenomena.Petr OpletalJan ProkleškaJaroslav ValentaPetr ProschekVladimír TkáčRóbert TarasenkoMarie BěhounkováŠárka MatouškováMohsen M. Abd-ElmeguidVladimír SechovskýNature PortfolioarticleMaterials of engineering and construction. Mechanics of materialsTA401-492Atomic physics. Constitution and properties of matterQC170-197ENnpj Quantum Materials, Vol 2, Iss 1, Pp 1-6 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Materials of engineering and construction. Mechanics of materials TA401-492 Atomic physics. Constitution and properties of matter QC170-197
spellingShingle	Materials of engineering and construction. Mechanics of materials TA401-492 Atomic physics. Constitution and properties of matter QC170-197 Petr Opletal Jan Prokleška Jaroslav Valenta Petr Proschek Vladimír Tkáč Róbert Tarasenko Marie Běhounková Šárka Matoušková Mohsen M. Abd-Elmeguid Vladimír Sechovský Quantum ferromagnet in the proximity of the tricritical point
description	Quantum phase transitions: Tuned in metallic ferromagnets Clean ferromagnetic systems are predicted to exhibit quantum phase transitions (QPTs) rather than critical points. QPTs happen at zero temperature due to quantum fluctuations between the phases, and can be triggered by non-thermal perturbations such as hydrostatic pressure, chemical composition or magnetic fields. Jan Prokleška at Czesh Charles University and colleagues from Czech Republic and Germany demonstrate that it is possible to tune the QPT of the metallic ferromagnet UCo1-xRuxAl by pressure or weak Ru doping. The experimental study of QPTs in metallic ferromagnets is typically hindered by the extreme conditions required to drive the system into the transition, or by the presence of additional phases such as superconductivity. Instead, UCo1-xRuxAl allows to get access to the QPT at easily accessible experimental conditions, opening the possibility of studying in detail quantum critical phenomena.
format	article
author	Petr Opletal Jan Prokleška Jaroslav Valenta Petr Proschek Vladimír Tkáč Róbert Tarasenko Marie Běhounková Šárka Matoušková Mohsen M. Abd-Elmeguid Vladimír Sechovský
author_facet	Petr Opletal Jan Prokleška Jaroslav Valenta Petr Proschek Vladimír Tkáč Róbert Tarasenko Marie Běhounková Šárka Matoušková Mohsen M. Abd-Elmeguid Vladimír Sechovský
author_sort	Petr Opletal
title	Quantum ferromagnet in the proximity of the tricritical point
title_short	Quantum ferromagnet in the proximity of the tricritical point
title_full	Quantum ferromagnet in the proximity of the tricritical point
title_fullStr	Quantum ferromagnet in the proximity of the tricritical point
title_full_unstemmed	Quantum ferromagnet in the proximity of the tricritical point
title_sort	quantum ferromagnet in the proximity of the tricritical point
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/381ee9ececb24929abdc3f0b0ed7267e
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Quantum ferromagnet in the proximity of the tricritical point

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