Zobrazeno 1 - 10
of 27
pro vyhledávání: '"Nyéki, Ján"'
We describe a compact calorimeter that opens ultra-low temperature heat capacity studies of small metal crystals in moderate magnetic fields. The performance is demonstrated on the canonical heavy Fermion metal YbRh2Si2. Thermometry is provided by a
Externí odkaz:
http://arxiv.org/abs/2407.01434
Electrical and thermal transport were studied in a vacuum-annealed polycrystalline silver wire with residual resistivity ratio 200-400, in the temperature range 0.1-1.2K and in magnetic fields up to 5T. Both at zero field and at 5T the wire exhibits
Externí odkaz:
http://arxiv.org/abs/2308.12349
Autor:
Bangma, Femke, Levitin, Lev, Lucas, Marijn, Casey, Andrew, Nyeki, Jan, Broeders, Ineke, Sutton, Aaron, Andraka, Bohdan, Julian, Stephen, Saunders, John, McCollam, Alix
The motivation to develop materials for quantum technologies has put exploration of novel quantum states of matter at the focus of several research fields, with particular efforts towards understanding and controlling the behaviour of quantum entangl
Externí odkaz:
http://arxiv.org/abs/2305.17088
Autor:
Nyéki, Jan, Lucas, Marijn, Knappová, Petra, Levitin, Lev V., Casey, Andrew, Saunders, John, van der Vliet, Harriet, Matthews, Anthony J.
Improved accessibility to the microkelvin temperature regime is important for future research in quantum materials; for quantum information science; and for applications of quantum sensors. Here we report the design and performance of a microkelvin p
Externí odkaz:
http://arxiv.org/abs/2209.07903
Autor:
Levitin, Lev V., van der Vliet, Harriet, Theisen, Terje, Dimitriadis, Stefanos, Lucas, Marijn, Corcoles, Antonio D., Nyéki, Ján, Casey, Andrew J., Creeth, Graham, Farrer, Ian, Ritchie, David A., Nicholls, James T., Saunders, John
Publikováno v:
Nature Commun. 13, 667 (2022)
Two-dimensional electron gases (2DEGs) with high mobility, engineered in semiconductor heterostructures host a variety of ordered phases arising from strong correlations, which emerge at sufficiently low temperatures. The 2DEG can be further controll
Externí odkaz:
http://arxiv.org/abs/2110.01887
In this letter we describe the observation of a magnetic field dependent electronic gap, suggestive of local superconductivity, in the point-contact spectrum of micro-crystalline graphite. Magnetic field dependent point-contact spectroscopy was carri
Externí odkaz:
http://arxiv.org/abs/1804.00179
Publikováno v:
Journal of Low Temperature Physics; Jun2024, Vol. 215 Issue 5/6, p287-293, 7p
We report studies, using a two mode torsional oscillator, of the putative supersolid signature in polycrystalline 4He. Measurements at two frequencies enable us to eliminate the viscoelastic contribution to the signature, and other instrumental effec
Externí odkaz:
http://arxiv.org/abs/1311.3110
Publikováno v:
Science, 2007 Sep 01. 317(5843), 1356-1359.
Externí odkaz:
https://www.jstor.org/stable/20037752
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