A look into one of our laboratories for physical characterization showing instruments for the measurement of magnetic properties, electrical and thermal transport properties, specific heat capacity etc at low temperatures and in high magnetic fields

Publications of Philipp Gegenwart

Journal Article (119)

2018
Journal Article
Weickert, F.; Gegenwart, P.; Geibel, C.; Assmus, W.; Steglich, F.: Observation of two critical points linked to the high-field phase B in CeCu2Si2. Physical Review B 98 (8), 085115, pp. 1 - 5 (2018)
2016
Journal Article
Kamieniarz, G.; Matysiak, R.; Gegenwart, P.; Ochiai, A.; Steglich, F.: Bose glass behavior in (Yb1-xLux)4As3 representing randomly diluted quantum spin-1/2 chains. Physical Review B 94 (10), 100403, pp. 1 - 5 (2016)
2013
Journal Article
Brando, M.; Pedrero, L.; Westerkamp, T.; Krellner, C.; Gegenwart, P.; Geibel, C.; Steglich, F.: Magnetization study of the energy scales in YbRh2Si2 under chemical pressure. Physica Status Solidi B 250 (3), pp. 485 - 490 (2013)
Journal Article
Matysiak, R.; Gegenwart, P.; Ochiai, A.; Antkowiak, M.; Kamieniarz, G.; Steglich, F.: Specific heat of segmented Heisenberg quantum spin chains in (Yb1-xLux)4As3. Physical Review B 88 (22), 224414, pp. 1 - 6 (2013)
Journal Article
Pfau, H.; Daou, R.; Lausberg, S.; Naren, H. R.; Brando, M.; Friedemann, S.; Wirth, S.; Westerkamp, T.; Stockert, U.; Gegenwart, P. et al.; Krellner, C.; Geibel, C.; Zwicknagl, G.; Steglich, F.: Interplay between Kondo Suppression and Lifshitz Transitions in YbRh2Si2 at High Magnetic Fields. Physical Review Letters 110 (25), 256403, pp. 1 - 5 (2013)
Journal Article
Sichelschmidt, J.; Jeevan, H. S.; Mchalwat, M.; Gegenwart, P.: Electron spin resonance of the Yb 4f-moment in Yb(Rh1−xFex)2Si2. Physica Status Solidi B 250 (3), pp. 495 - 497 (2013)
2012
Journal Article
Sarkar, R.; Nath, R.; Khuntia, P.; Jeevan, H. S.; Gegenwart, P.; Baenitz, M.: Magnetism and superconductivity in Eu0.2Sr0.8(Fe0.86Co0.14)2As2 probed by 75As NMR. Journal of Physics: Condensed Matter 24 (4), 045702, pp. 1 - 6 (2012)
2011
Journal Article
Jeevan, H. S.; Kasinathan, D.; Rosner, H.; Gegenwart, P.: Interplay of antiferromagnetism, ferromagnetism, and superconductivity in EuFe2(As1-xPx)2 single crystals. Physical Review B 83 (5), 054511, pp. 054511-1 - 054511-6 (2011)
2010
Journal Article
Bergmann, C.; Jeevan, H. S.; Schubert, M.; Geibel, C.; Gegenwart, P.: Single crystal growth of CeNi2Ge2 using the floating zone technique. Quantum Criticality and Novel Phases (QCNP 2009), pp. 694 - 996 (2010)
Journal Article
Custers, J.; Gegenwart, P.; Geibel, C.; Steglich, F.; Coleman, P.; Paschen, S.: Evidence for a Non-Fermi-Liquid Phase in Ge-Substituted YbRh2Si2. Physical Review Letters 104 (18), 186402, pp. 186402-1 - 186402-4 (2010)
Journal Article
Friedemann, S.; Westerkamp, T.; Brando, M.; Oeschler, N.; Gegenwart, P.; Krellner, C.; Geibel, C.; MaQuilon, S.; Fisk, Z.; Steglich, F. et al.; Wirth, S.: Magnetic and Electronic Quantum Criticality in YbRh2Si2. Journal of Low Temperature Physics 161 (1-2), pp. 67 - 82 (2010)
Journal Article
Gegenwart, P.; Tokiwa, Y.; Donath, J. G.; Küchler, R.; Bergmann, C.; Jeevan, H. S.; Bauer, E. D.; Sarrao, J. L.; Geibel, C.; Steglich, F.: Divergence of the Grüneisen Parameter and Magnetocaloric Effect at Heavy Fermion Quantum Critical Points. Journal of Low Temperature Physics 161 (1-2), pp. 117 - 133 (2010)
Journal Article
Steglich, F.; Arndt, J.; Friedemann, S.; Krellner, C.; Tokiwa, Y.; Westerkamp, T.; Brando, M.; Gegenwart, P.; Geibel, C.; Wirth, S. et al.; Stockert, O.: Superconductivity versus quantum criticality: what can we learn from heavy fermions? Journal of Physics: Condensed Matter 22 (16), 164202, pp. 164202-1 - 164202-7 (2010)
Journal Article
Weickert, F.; Brando, M.; Steglich, F.; Gegenwart, P.; Garst, M.: Universal signatures of the metamagnetic quantum critical endpoint: Application to CeRu2Si2. Physical Review B 81 (13), 134438, pp. 134438-1 - 134438-8 (2010)
2009
Journal Article
Donath, J. G.; Steglich, F.; Bauer, E. D.; Ronning, F.; Sarrao, J. L.; Gegenwart, P.: Quantum criticality in layered CeRhIn5-xSnx compared with cubic CeIn3-xSnx. EPL: A Letters Journal Exploring the Frontiers of Physics 87, 57011, pp. 57011-p1 - 57011-p5 (2009)
Journal Article
Friedemann, S.; Westerkamp, T.; Brando, M.; Oeschler, N.; Wirth, S.; Gegenwart, P.; Krellner, C.; Geibel, C.; Steglich, F.: Detaching the antiferromagnetic quantum critical point from the Fermi-surface reconstruction in YbRh2Si2. Nature Physics 5, pp. 465 - 469 (2009)
Journal Article
Miclea, C. F.; Nicklas, M.; Jeevan, H. S.; Kasinathan, D.; Hossain, Z.; Rosner, H.; Gegenwart, P.; Geibel, C.; Steglich, F.: Evidence for a reentrant superconducting state in EuFe2As2 under pressure. Physical Review B 79, 212509, pp. 212509-1 - 212509-4 (2009)
Journal Article
Peyker, L.; Gold, C.; Scheidt, E.-W.; Scherer, W.; Donath, J. G.; Gegenwart, P.; Mayr, F.; Unruh, T.; Eyert, V.; Bauer, E. et al.; Michor, H.: Evolution of quantum criticality in CeNi9-xCuxGe4. Journal of Physics: Condensed Matter 21, 235604, pp. 235604-1 - 235604-9 (2009)
Journal Article
Tokiwa, Y.; Gegenwart, P.; Geibel, C.; Steglich, F.: Separation of Energy Scales in Undoped YbRh2Si2 Under Hydrostatic Pressure. Journal of the Physical Society of Japan 78 (12), 123708, pp. 123708-1 - 123708-4 (2009)
Journal Article
Tokiwa, Y.; Radu, T.; Geibel, C.; Steglich, F.; Gegenwart, P.: Divergence of the Magnetic Grüneisen Ratio at the Field-Induced Quantum Critical Point in YbRh2Si2. Physical Review Letters 102, 066401, pp. 066401-1 - 066401-4 (2009)
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