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Georg KNEBEL

PHotonique, ELectronique et Ingénierie QuantiqueS

Laboratoire IMAPEC

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Function

research staff

Research Interests

Experimental solid state physics

CV

2012 HDR University Joseph Fourier Grenoble

2002 : physicist at CEA Grenoble

1999 - 2002
Marie Curie Fellow at CEA Grenoble

1994 - 1999
PhD thesis at TU Darmstadt / University of Augsburg, Germany (supervisor A. Loidl)
"Ground state properties of Cerium compounds with ThCr2Si2 structure"

1988 - 1994
Diplom studies of Physics at Technical University Darmstadt
"High frequency conductivity of La2CuO4 single crystals" (supervisor A. Loidl)

 

detailed CV see here

Scientific Publications

for complete list  link

 

recent publications

2016   ____________________________________________________________________

[125] GOURGOUT, A., POURRET, A., KNEBEL, G., AOKI, D., SEYFARTH, G. & FLOUQUET, J.

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

          Physical Review Letters, 117, 046401 (2016)

[124] BASTIEN, G., BRAITHWAITE, D., AOKI, D., KNEBEL, G. & FLOUQUET, J.

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

        Physical Review B, 94, 125110 (2016)

[123] KAMBE, S., SAKAI, H., TOKUNAGA, Y., HATTORI, T., LAPERTOT, G., MATSUDA, T. D., KNEBEL, G., FLOUQUET, J., WALSTEDT, R. E. 

        "Si-29 NMR spin-echo decay in YbRh2Si2. Tmu International Symposium on New Quantum Phases Emerging From Novel Crystal Structure"

        J. Phys.: Conf. Series 683, 012006 (2016)

[122] PALACIO MORALES, A., POURRET, A., KNEBEL, G., BASTIEN, G., TAUFOUR, V., AOKI, D., YAMAGAMI, H. & FLOUQUET, J.   

         "Thermoelectric power quantum oscillations in the ferromagnet UGe2"

         Physical Review B, 93.155120 (2006)

2015   ____________________________________________________________________________

[121]

 

 

 

Shimizu, Y., Pourret, A., Knebel, G., Palacio Morales, A., Aoki, D.,

“Non-Fermi-Liquid Divergence of Thermoelectric Power and Drastic Variation of

Transport Properties under Magnetic Field in an Unconventional Superconductor UBe13”,

Phys. Rev. B 92, 241101(R) (2015)

 

 

[120]

 

 

Taupin, M.; Knebel, G.; Matsuda, T. D.; Lapertot, G.; Machida, Y.; Izawa, K.; Brison, J.- P. & Flouquet, J.,

'Thermal Conductivity through the Quantum Critical Point in YbRh2Si2 at Very Low Temperature',

Phys. Rev. Lett. 115(4), 046402.

[119]

 

 

Morales, A. P.; Pourret, A.; Seyfarth, G.; Suzuki, M. .. T.; Braithwaite, D.; Knebel, G.; Aoki, D. & Flouquet, J. ,

'Fermi surface instabilities in CeRh2Si2 at high magnetic field and pressure',

Phys. Rev. B 91(24), 245129.

[118]

 

 

 

Kambe, S.; Sakai, H.; Tokunaga, Y.; Lapertot, G.; Matsuda, T. D.; Knebel, G.; Flouquet, J. & Walstedt, R. E. (2015),

'Anisotropic energy scale for degenerate Fermi and non-Fermi liquids near a

quantum critical phase transition in YbRh2Si2',

Phys. Rev. B 91(16), 161110.

[117]

 

 

Bastien, G.; Knebel, G.; Aoki, D. & Flouquet, J. (2015),

'Upper critical field under hydrostatic pressure in UCoGe',

J. Phys.: Conf. Series 592, 012068.

[116]

 

 

Kambe, S.; Sakai, H.; Tokunaga, Y.; Lapertot, G.; Matsuda, T. D.; Knebel, G.; Flouquet, J. & Walstedt, R. E. (2015),

'Anisotropic magnetic fluctuations in YbRh2Si2',

J. Phys.: Conf. Series 592, 012085.

[115]

 

Palacio-Morales, A.; Pourret, A.; Knebel, G.; Aoki, D.; Braithwaite, D. & Flouquet, J. (2015),

'Phase diagram of CeRh2Si2 under pressure studied by thermopower measurements',

J. Phys.: Conf. Series 592, 012002.

2014   ______________________________________________________________________________

[114]

 

 

Kambe, S.; Sakai, H.; Tokunaga, Y.; Lapertot, G.; Matsuda, T. D.; Knebel, G.; Flouquet, J. & Walstedt, R. E. (2014),

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

Nat. Phys. 10(11), 840--844.

[113]

 

 

Aoki, D.; Knebel, G. & Flouquet, J. (2014),

'Fermi Surface Instabilities in Ferromagnetic Superconductor URhGe',

J. Phys. Soc. Jpn. 83(9), 094719.

[112]

 

 

Boukahil, M.; Pourret, A.; Knebel, G.; Aoki, D.; Onuki, Y. O. & Flouquet, J. (2014),

'Lifshitz transition and metamagnetism: Thermoelectric studies of CeRu2Si2',

Phys. Rev. B 90(7), 075127.

[111]

 

 

Aoki, D.; Gourgout, A.; Pourret, A.; Bastien, G.; Knebel, G. & Flouquet, J. (2014),

'Spin fluctuation and Fermi surface instability in ferromagnetic superconductors',

C. R. Phys. 15(7), 630--639.

[110]

 

 

Pourret, A.; Aoki, D.; Boukahil, M.; Brison, J.-P.; Knafo, W.; Knebel, G.; Raymond, S.; Taupin, M.; Onuki, Y. & Flouquet, J. (2014),

'Quantum Criticality and Lifshitz Transition in the Ising System CeRu2Si2: Comparison with YbRh2Si2',

J. Phys. Soc.Jpn. 83(6), 061002.

[109]

 

 

Scheerer, G. W.; Knafo, W.; Aoki, D.; Nardone, M.; Zitouni, A.; Beard, J.; Billette, J.; Barata, J.; Jaudet, C.; Suleiman, M.; Frings, P.; Drigo, L.; Audouard, A.; Matsuda, T. D.; Pourret, A.; Knebel, G. & Flouquet, J. (2014),

'Fermi surface in the hidden-order state of URu2Si2 under intense pulsed magnetic fields up to 81 T',

Phys. Rev. B 89(16), 165107.

[108]

 

 

Raymond, S.; Ramos, S. M.; Aoki, D.; Knebel, G.; Mineev, V. P. & Lapertot, G. (2014),

'Magnetic Order in Ce0.95Nd0.05CoIn5: The Q-Phase at Zero Magnetic Field',

J. Phys. Soc. Jpn. 83(1), 013707.

2013   ______________________________________________________________________________

[107]

 

 

Yasui, A.; Saitoh, Y.; Fujimori, S. i.; Kawasaki, I.; Okane, T.; Takeda, Y.; Lapertot, G.; Knebel, G.; Matsuda, T. D.; Haga, Y. & Yamagami, H. (2013),

'Observation of bulk band dispersions of YbRh2Si2 using soft x-ray angle-resolved photoemission spectroscopy',

Phys. Rev. B 87(7), 075131.

[106]

 

 

Combier, T.; Aoki, D.; Knebel, G. & Flouquet, J. (2013),

'Ferromagnetic Quantum Criticality Studied by Hall Effect Measurements in UCoAl',

J. Phys. Soc. Jpn. 82(10), 104705.

[105]

 

 

Machida, Y.; Tomokuni, K.; Izawa, K.; Lapertot, G.; Knebel, G.; Brison, J. .. P. & Flouquet, J. (2013),

'Verification of the Wiedemann-Franz Law in YbRh2Si2 at a Quantum Critical Point',

Phys. Rev. Lett. 110(23), 236402.

[104]

 

 

Braithwaite, D.; Fernandez-Panella, A.; Colombier, E.; Salce, B.; Knebel, G.; Lapertot, G.; Baledent, V.; Rueff, J. P.; Paolasini, L.; Verbeni, R. & Flouquet, J. (2013),

'(p, T, H) Phase Diagram of Heavy Fermion Systems: Some Systematics and Some Surprises from Ytterbium',

Journal of Superconductivity and Novel Magnetism 26(5), 1775--1780.

[103]

 

 

Machida, Y.; Izawa, K.; Aoki, D.; Knebel, G.; Pourret, A. & Flouquet, J. (2013),

'Magnetic Field Driven Electronic Singularities through Metamagnetic Phenomena: Case of the Heavy Fermion Antiferromagnet Ce(Ru0.92Rh0.08)(2)Si-2',

J. Phys. Soc. Jpn. 82(5), 054704.

[102]

 

 

Pourret, A.; Knebel, G.; Matsuda, T. D.; Lapertot, G. & Flouquet, J. (2013),

'Magnetic Polarization and Fermi Surface Instability: Case of YbRh2Si2',

J. Phys. Soc. Jpn. 82(5), 053704.

[101]

 

 

Palacio-Morales, A.; Pourret, A.; Knebel, G.; Combier, T.; Aoki, D.; Harima, H. & Flouquet, J. (2013),

'Metamagnetic Transition in UCoAl Probed by Thermoelectric Measurements',

Phys. Rev. Lett. 110(11), 116404.

[100]

 

 

Pourret, A.; Palacio-Morales, A.; Kraemer, S.; Malone, L.; Nardone, M.; Aoki, D.; Knebel, G. & Flouquet, J. (2013),

'Fermi Surface Reconstruction inside the Hidden Order Phase of URu2Si2 Probed by Thermoelectric Measurements',

J. Phys. Soc. Jpn. 82(3), 034706.

   

 


 


 

 

CV_Knebel_2016.pdf

 

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