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Georg Knebel

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First Observation of the de Haas–van Alphen Effect and Fermi Surfaces in the Unconventional Superconductor UTe 2

Dai Aoki , Hironori Sakai , Petr Opletal , Yoshifumi Tokiwa , Jun Ishizuka et al.
Journal of the Physical Society of Japan, 2022, 91 (8), ⟨10.7566/JPSJ.91.083704⟩
Journal articles hal-03763285v1

Unconventional superconductivity in UTe 2

D Aoki , J-P Brison , J Flouquet , K Ishida , G Knebel et al.
Journal of Physics: Condensed Matter, 2022, 34 (24), pp.243002. ⟨10.1088/1361-648X/ac5863⟩
Journal articles hal-03763335v1

Anisotropic signatures of electronic correlations in the electrical resistivity of UTe 2

T. Thebault , M. Vališka , G. Lapertot , A. Pourret , D. Aoki et al.
Physical Review B, 2022, 106 (14), pp.144406. ⟨10.1103/PhysRevB.106.144406⟩
Journal articles hal-03958866v1
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Field-Induced Superconductivity near the Superconducting Critical Pressure in UTe 2

Dai Aoki , Motoi Kimata , Yoshiki J Sato , Georg Knebel , Fuminori Honda et al.
Journal of the Physical Society of Japan, 2021, 90 (7), pp.074705. ⟨10.7566/JPSJ.90.074705⟩
Journal articles hal-03404730v1

Magnetic properties under pressure in novel spin-triplet superconductor UTe$_2$

Dexin Li , Ai Nakamura , Fuminori Honda , Yoshiki Sato , Yoshiya Homma et al.
Journal of the Physical Society of Japan, 2021, 90 (7), pp.073703. ⟨10.7566/JPSJ.90.073703⟩
Journal articles hal-03519803v1
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Comparison of two superconducting phases induced by a magnetic field in UTe2

William Knafo , M. Nardone , M. Vališka , A. Zitouni , G. Lapertot et al.
Communications Physics, 2021, 4 (1), pp.40. ⟨10.1038/s42005-021-00545-z⟩
Journal articles hal-03404727v1

Low-dimensional antiferromagnetic fluctuations in the heavy-fermion paramagnetic ladder compound UTe 2

W. Knafo , G. Knebel , P. Steffens , K. Kaneko , A. Rosuel et al.
Physical Review B, 2021, 104 (10), pp.L100409. ⟨10.1103/PhysRevB.104.L100409⟩
Journal articles hal-03842799v1
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Spin dynamics of the quantum dipolar magnet Yb 3 Ga 5 O 12 in an external field

Elsa Lhotel , L. Mangin-Thro , E. Ressouche , P. Steffens , E. Bichaud et al.
Physical Review B, 2021, 104 (2), pp.024427. ⟨10.1103/PhysRevB.104.024427⟩
Journal articles hal-03428862v1

Magnetic reshuffling and feedback on superconductivity in UTe 2 under pressure

M. Vališka , W. Knafo , G. Knebel , G. Lapertot , D. Aoki et al.
Physical Review B, 2021, 104 (21), pp.214507. ⟨10.1103/PhysRevB.104.214507⟩
Journal articles hal-03519715v1

Superconductivity in an extreme strange metal

D. Nguyen , A. Sidorenko , M. Taupin , G. Knebel , G. Lapertot et al.
Nature Communications, 2021, 12 (1), pp.4341. ⟨10.1038/s41467-021-24670-z⟩
Journal articles hal-03519744v1

Low-dimensional antiferromagnetic fluctuations in the heavy-fermion paramagnetic ladder compound UTe 2

W. Knafo , G. Knebel , P. Steffens , K. Kaneko , A. Rosuel et al.
Physical Review B, 2021, 104 (10), pp.L100409. ⟨10.1103/PhysRevB.104.L100409⟩
Journal articles hal-03519783v1
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Feedback of superconductivity on the magnetic excitation spectrum of UTe$_2$

Stéphane Raymond , William Knafo , Georg Knebel , Koji Kaneko , Jean-Pascal Brison et al.
Journal of the Physical Society of Japan, 2021, 90 (11), ⟨10.7566/JPSJ.90.113706⟩
Journal articles hal-03519759v1
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Anomalous anisotropy of the lower critical field and Meissner effect in UTe 2

C. Paulsen , G. Knebel , G. Lapertot , D. Braithwaite , A. Pourret et al.
Physical Review B, 2021, 103 (18), pp.L180501. ⟨10.1103/PhysRevB.103.L180501⟩
Journal articles hal-03519809v1

Probing insulators under pressure

J. Mokdad , G. Knebel , C. Marin , J.-P. Brison , I. Matei et al.
Review of Scientific Instruments, 2020, 91 (9), pp.093902. ⟨10.1063/5.0016465⟩
Journal articles hal-03960879v1

Fermi-Surface Instability in the Heavy-Fermion Superconductor UTe 2

Q. Niu , G. Knebel , D. Braithwaite , D. Aoki , G. Lapertot et al.
Physical Review Letters, 2020, 124 (8), pp.086601. ⟨10.1103/PhysRevLett.124.086601⟩
Journal articles hal-03960897v1
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Anisotropy of the Upper Critical Field in the Heavy-Fermion Superconductor UTe 2 under Pressure

Georg Knebel , Motoi Kimata , Michal Vališka , Fuminori Honda , Dexin Li et al.
Journal of the Physical Society of Japan, 2020, 89 (5), pp.053707. ⟨10.7566/JPSJ.89.053707⟩
Journal articles hal-02988466v2
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Evidence of Fermi surface reconstruction at the metamagnetic transition of the strongly correlated superconductor UTe 2

Q. Niu , G. Knebel , D. Braithwaite , D. Aoki , G. Lapertot et al.
Physical Review Research, 2020, 2 (3), ⟨10.1103/PhysRevResearch.2.033179⟩
Journal articles hal-02988482v1

Multiple Superconducting Phases and Unusual Enhancement of the Upper Critical Field in UTe 2

Dai Aoki , Fuminori Honda , Georg Knebel , Daniel Braithwaite , Ai Nakamura et al.
Journal of the Physical Society of Japan, 2020, 89 (5), pp.053705. ⟨10.7566/JPSJ.89.053705⟩
Journal articles hal-03960893v1
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Destabilization of hidden order in URu2Si2 under magnetic field and pressure

William Knafo , S. Araki , G. Lapertot , D. Aoki , G. Knebel et al.
Nature Physics, 2020, 16 (9), pp.942-948. ⟨10.1038/s41567-020-0927-4⟩
Journal articles hal-02988470v1

Spin-Triplet Superconductivity in UTe2 and Ferromagnetic Superconductors

Dai Aoki , Ai Nakamura , Fuminori Honda , Dexin Li , Yoshiya Homma et al.
JPS Conference Proceedings, 2019, ⟨10.7566/JPSCP.30.011065⟩
Journal articles hal-02880327v1

Unconventional superconductivity in heavy fermion UTe$_2$

Dai Aoki , Ai Nakamura , Fuminori Honda , Dexin Li , Yoshiya Homma et al.
Journal of the Physical Society of Japan, 2019, 88 (4), pp.043702. ⟨10.7566/JPSJ.88.043702⟩
Journal articles hal-02145738v1

Fermi-surface selective determination of the g -factor anisotropy in URu 2 Si 2

Gael Bastien , Dai Aoki , Gérard Lapertot , Jean-Pascal Brison , Jacques Flouquet et al.
Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2019, 99 (16), pp.165138. ⟨10.1103/PhysRevB.99.165138⟩
Journal articles hal-02146487v1

Magnetic-Field-Induced Phenomena in the Paramagnetic Superconductor UTe 2

William Knafo , Michal Vališka , Daniel Braithwaite , Gérard Lapertot , Georg Knebel et al.
Journal of the Physical Society of Japan, 2019, 88 (6), pp.063705. ⟨10.7566/JPSJ.88.063705⟩
Journal articles hal-02145731v1

Field-Reentrant Superconductivity Close to a Metamagnetic Transition in the Heavy-Fermion Superconductor UTe 2

Georg Knebel , William Knafo , Alexandre Pourret , Qun Niu , Michal Vališka et al.
Journal of the Physical Society of Japan, 2019, 88 (6), pp.063707. ⟨10.7566/JPSJ.88.063707⟩
Journal articles hal-02144823v1
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Structural, magnetic, and insulator-to-metal transitions under pressure in the GaV4S8 Mott insulator: A rich phase diagram up to 14.7 GPa

J. Mokdad , G. Knebel , C. Marin , J.-P. Brison , V. Ta Phuoc et al.
Physical Review B, 2019, 100 (24), pp.245101. ⟨10.1103/PhysRevB.100.245101⟩
Journal articles cea-02496662v1

Dimensionality Driven Enhancement of Ferromagnetic Superconductivity in URhGe

Daniel Braithwaite , Dai Aoki , Jean-Pascal Brison , Jacques Flouquet , Georg Knebel et al.
Physical Review Letters, 2018, 120 (3), ⟨10.1103/physrevlett.120.037001⟩
Journal articles hal-01987274v1

T dependence of nuclear spin-echo decay at low temperatures in YbRh 2 Si 2

S. Kambe , H. Sakai , Y. Tokunaga , T. Hattori , G. Lapertot et al.
Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2017, 95 (19), ⟨10.1103/PhysRevB.95.195121⟩
Journal articles hal-02064831v1

Fermi Surfaces in the Antiferromagnetic, Paramagnetic and Polarized Paramagnetic States of CeRh 2 Si 2 Compared with Quantum Oscillation Experiments

Alexandre Pourret , Michi-To Suzuki , Alexandra Palaccio Morales , Gabriel Seyfarth , Georg Knebel et al.
Journal of the Physical Society of Japan, 2017, 86 (8), pp.084702. ⟨10.7566/JPSJ.86.084702⟩
Journal articles hal-02069734v1
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Field-induced magnetic instability within a superconducting condensate

Daniel Gabriel Mazzone , Stephane Raymond , Jorge Luis Gavilano , Eric Ressouche , Christof Niedermayer et al.
Science Advances , 2017, 3 (5), 5 p. ⟨10.1126/sciadv.1602055⟩
Journal articles hal-01691808v1

Anisotropic B – T Phase Diagram of Non-Kramers System PrRh 2 Zn 20

Taichi Yoshida , Yo Machida , Koichi Izawa , Yuki Shimada , Naohiro Nagasawa et al.
Journal of the Physical Society of Japan, 2017, 86 (4), pp.044711. ⟨10.7566/JPSJ.86.044711⟩
Journal articles hal-01989251v1

Lifshitz Transitions in the Ferromagnetic Superconductor UCoGe

Gael Bastien , Adrien Gourgout , Dai Aoki , Alexandre Pourret , Ilya Sheikin et al.
Physical Review Letters, 2016, 117 (20), ⟨10.1103/PhysRevLett.117.206401⟩
Journal articles hal-02064873v1

29 Si NMR spin-echo decay in YbRh 2 Si 2

S. Kambe , H. Sakai , Y. Tokunaga , T. Hattori , G. Lapertot et al.
Journal of Physics: Conference Series, 2016, 683, pp.012006. ⟨10.1088/1742-6596/683/1/012006⟩
Journal articles hal-02064901v1

Quantum criticality in the ferromagnetic superconductor UCoGe under pressure and magnetic field

Gael Bastien , Daniel Braithwaite , Dai Aoki , Georg Knebel , Jacques Flouquet et al.
Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2016, 94 (12), pp.125110
Journal articles hal-02009991v1

Thermoelectric power quantum oscillations in the ferromagnet UGe 2

A. Palacio Morales , A. Pourret , G. Knebel , G. Bastien , V. Taufour et al.
Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2016, 93 (15), ⟨10.1103/PhysRevB.93.155120⟩
Journal articles hal-02064914v1

Collapse of Ferromagnetism and Fermi Surface Instability near Reentrant Superconductivity of URhGe

A. Gourgout , A. Pourret , G. Knebel , D. Aoki , G. Seyfarth et al.
Physical Review Letters, 2016, 117 (4), ⟨10.1103/PhysRevLett.117.046401⟩
Journal articles hal-02064862v1

Anisotropic magnetic fluctuations in YbRh$_2$ Si$_2$

S. Kambe , S. Sakai , Y. Tokunaga , G. Lapertot , T Matsuda et al.
Journal of Physics: Conference Series, 2015, 592, pp.012085. ⟨10.1088/1742-6596/592/1/012085⟩
Journal articles hal-02064917v1

Non-Fermi-liquid nature and exotic thermoelectric power in the heavy-fermion superconductor UBe13

Yusei Shimizu , Alexandre Pourret , Georg Knebel , Alexandra Palacio-Morales , Dai Aoki et al.
Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2015, 92 (24), pp.241101(R). ⟨10.1103/PhysRevB.92.241101⟩
Journal articles cea-01735130v1

Phase diagram of CeRh 2 Si 2 under pressure studied by thermopower measurements

A Palacio-Morales , A. Pourret , G. Knebel , A Aoki , Daniel Braithwaite et al.
Journal of Physics: Conference Series, 2015, 592, pp.012002
Journal articles hal-02011064v1

Upper critical field under hydrostatic pressure in UCoGe

Gael Bastien , Georg Knebel , Dai Aoki , Jacques Flouquet
Journal of Physics: Conference Series, 2015, 592, pp.012068. ⟨10.1088/1742-6596/592/1/012068⟩
Journal articles hal-02064932v1

Fermi surface instabilities in CeRh2Si2 at high magnetic field and pressure

Alexandra Palacio Morales , Alexandre Pourret , Gabriel Seyfarth , M. T. Suzuki , Daniel Braithwaite et al.
Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2015, 91 (24), pp.245129. ⟨10.1103/PhysRevB.91.245129⟩
Journal articles cea-01734603v1

Anisotropic energy scale for degenerate Fermi and non-Fermi liquids near a quantum critical phase transition in YbRh2Si2

S. Kambe , H. Sakai , Y. Tokunaga , Gerard Lapertot , T. D. Matsuda et al.
Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2015, 91 (16), pp.161110. ⟨10.1103/PhysRevB.91.161110⟩
Journal articles cea-01731484v1
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Thermal Conductivity through the Quantum Critical Point in YbRh$_2$Si$_2$ at Very Low Temperature

Mathieu Taupin , Georg Knebel , T. D. Matsuda , Gerard Lapertot , Y. Machida et al.
Physical Review Letters, 2015, 115, pp.046402. ⟨10.1103/PhysRevLett.115.046402⟩
Journal articles cea-01745399v1

Spin fluctuation and Fermi surface instability in ferromagnetic superconductors

Dai Aoki , Adrien Gourgout , Alexandre Pourret , Gael Bastien , Georg Knebel et al.
Comptes Rendus. Physique, 2014, 15 (7), pp.630-639. ⟨10.1016/j.crhy.2014.07.004⟩
Journal articles hal-02064975v1
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Switching of the magnetic order in CeRh$In_{5−x}$$Sn_{x}$ in the vicinity of its quantum critical point

S. Raymond , J. Buhot , E. Ressouche , F. Bourdarot , G. Knebel et al.
Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2014, 90 (1), ⟨10.1103/PhysRevB.90.014423⟩
Journal articles hal-01937756v1

Degenerate Fermi and non-Fermi liquids near a quantum critical phase transition

S. Kambe , H. Sakai , Y. Tokunaga , G. Lapertot , T. Matsuda et al.
Nature Physics, 2014, 10 (11), pp.840-844. ⟨10.1038/nphys3101⟩
Journal articles hal-02064945v1
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Fermi surface instabilities in ferromagnetic superconductor URhGe

Dai Aoki , Georg Knebel , Jacques Flouquet
Journal of the Physical Society of Japan, 2014, 83 (9), pp.094719. ⟨10.7566/jpsj.83.094719⟩
Journal articles hal-02064957v1

Lifshitz transition and metamagnetism: Thermoelectric studies of CeRu 2 Si 2

M. Boukahil , A. Pourret , G. Knebel , D. Aoki , Y. Ōnuki et al.
Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2014, 90 (7), ⟨10.1103/PhysRevB.90.075127⟩
Journal articles hal-02064962v1

Fermi surface in the hidden-order state of URu2Si2 under intense pulsed magnetic fields up to 81 T

Gernot Werner Scheerer , William Knafo , D. Aoki , Marc Nardone , Abdelaziz Zitouni et al.
Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2014, 89, pp.165107. ⟨10.1103/PhysRevB.89.165107⟩
Journal articles hal-01048717v1

Quantum criticality and Lifshitz transition in the Ising system CeRu$_2$Si$_2$ : comparison with YbRh$_2$Si$_2$

Alexandre Pourret , Dai Aoki , Mounir Boukahil , Jean-Pascal Brison , William Knafo et al.
Journal of the Physical Society of Japan, 2014, 83 (6), pp.061002. ⟨10.7566/jpsj.83.061002⟩
Journal articles hal-02064971v1

Magnetic Order in Ce 0.95 Nd 0.05 CoIn 5 : The Q-Phase at Zero Magnetic Field

Stéphane Raymond , Scheilla Ramos , Dai Aoki , Georg Knebel , Vladimir Mineev et al.
Journal of the Physical Society of Japan, 2014, 83 (1), ⟨10.7566/JPSJ.83.013707⟩
Journal articles hal-01938512v1

Fermi surface reconstruction inside the hidden order phase of URu2Si2 probed by thermoelectric measurements

A. Pourret , A. Palacio-Morales , S. Kraemer , L. Malone , Marc Nardone et al.
Journal of the Physical Society of Japan, 2013, 82, pp.034706. ⟨10.7566/JPSJ.82.034706⟩
Journal articles hal-00825714v1

Ferromagnetism and superconductivity in uranium compounds

D. Aoki , M. Taupin , C. Paulsen , F. Hardy , V. Taufour et al.
Journal of the Physical Society of Japan, 2012, 81, pp.SB002. ⟨10.1143/JPSJ.81.011003⟩
Journal articles hal-00780102v1

Behavior of the Quantum Critical Point and the Fermi-Liquid Domain in the Heavy Fermion Superconductor CeCoIn 5 Studied by Resistivity

Ludovic Howald , Gabriel Seyfarth , Georg Knebel , Gerard Lapertot , Dai Aoki et al.
Journal of the Physical Society of Japan, 2011, 80 (2), pp.024710. ⟨10.1143/JPSJ.80.024710⟩
Journal articles hal-01989852v1

Trends in Heavy Fermion Matter

J Flouquet , D Aoki , Frederic Bourdarot , F Hardy , E Hassinger et al.
Journal of Physics: Conference Series, 2011, 273, pp.012001. ⟨10.1088/1742-6596/273/1/012001⟩
Journal articles hal-03869770v1

Thermoelectric evidence for high- field anomalies in the hidden order phase of URu2Si2,

L. Malone , T.D. Matsuda , A. Antunes , G. Knebel , V. Taufour et al.
Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2011, 83, pp.245117
Journal articles hal-00643320v1

Suppression of hidden order in URu₂Si₂ under pressure and restoration in magnetic field

E Hassinger , D Aoki , Frederic Bourdarot , G Knebel , V Taufour et al.
Journal of Physics: Conference Series, 2010, 251, pp.012001. ⟨10.1088/1742-6596/251/1/012001⟩
Journal articles hal-03869183v1

Convergence of the enhancement of the effective mass under pressure and magnetic field in heavy-fermion compounds : CeRu2Si2, CeRh2Si2, and CeIn3.

J. Flouquet , D. Aoki , William Knafo , G. Knebel , T. Matsuda et al.
Journal of Low Temperature Physics, 2010, 161 (1-2), pp.83-97. ⟨10.1007/s10909-010-0209-0⟩
Journal articles hal-00555038v1

Field re-entrant hidden-order phase under pressure in URu₂Si₂

D Aoki , Frederic Bourdarot , E Hassinger , G Knebel , A Miyake et al.
Journal of Physics: Condensed Matter, 2010, 22 (16), pp.164205. ⟨10.1088/0953-8984/22/16/164205⟩
Journal articles hal-03869187v1

Field Reentrance of the Hidden Order State of URu₂Si₂ under Pressure

Dai Aoki , Frédéric Bourdarot , Elena Hassinger , Georg Knebel , Atsushi Miyake et al.
Journal of the Physical Society of Japan, 2009, 78 (5), pp.053701. ⟨10.1143/JPSJ.78.053701⟩
Journal articles hal-03869182v1

Skutterudite Results Shed Light on Heavy Fermion Physics

E. Hassinger , J. Derr , J. Levallois , D. Aoki , K. Behnia et al.
Journal of the Physical Society of Japan, 2008, 77, pp.172. ⟨10.1143/JPSJS.77SA.172⟩
Journal articles hal-00355119v1

From unconventional insulating behavior towards conventional magnetism in the intermediate-valence compound SmB 6

J. Derr , G. Knebel , D. Braithwaite , B. Salce , J. Flouquet et al.
Physical Review B, 2008, 77 (19), pp.193107. ⟨10.1103/PhysRevB.77.193107⟩
Journal articles hal-03687491v1

Multigap Superconductivity in the Heavy-Fermion System CeCoIn 5

Gabriel Seyfarth , J. Brison , G. Knebel , D. Aoki , G. Lapertot et al.
Physical Review Letters, 2008, 101 (4), pp.046401. ⟨10.1103/PhysRevLett.101.046401⟩
Journal articles hal-02069767v1

Evidence for gap anisotropy in

J. Derr , G. Knebel , G. Lapertot , B. Salce , S. Kunii et al.
Journal of Magnetism and Magnetic Materials, 2007, 310 (2), pp.560-562. ⟨10.1016/j.jmmm.2006.10.150⟩
Journal articles hal-03687496v1

Valence and magnetic ordering in the mixed valent compound TmSe

J. Derr , J. Flouquet , B. Salce , G. Knebel
Physica B: Condensed Matter, 2006, 378-380, pp.616-617. ⟨10.1016/j.physb.2006.01.341⟩
Journal articles hal-03687501v1

Observation of Spin Susceptibility Enhancement in the Possible FFLO State in CeCoIn$_5$

V. F. Mitrovic , M. Horvatic , C. Berthier , G. Knebel , G. Lapertot et al.
Physical Review Letters, 2006, 97 (11), pp.117002. ⟨10.1103/PhysRevLett.97.117002⟩
Journal articles hal-00269078v1

Localization of $4 f$ State in YbRh$_2$Si$_2$ under Magnetic Field and High Pressure: Comparison with CeRh$_2$Si$_2$

G. Knebel , R. Boursier , E. Hassinger , G. Lapertot , P.G. Niclowitz et al.
Journal of the Physical Society of Japan, 2006, 75, pp.114709-. ⟨10.1143/JPSJ.75.114709⟩
Journal articles hal-00165378v1
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Kondo engineering : from single Kondo impurity to the Kondo lattice

J. Flouquet , A. Barla , R. Boursier , J. Derr , G. Knebel et al.
Journal of the Physical Society of Japan, 2004, 74 (1), pp.178-185. ⟨10.1143/jpsj.74.178⟩
Journal articles hal-03687503v1