Zobrazeno 1 - 10
of 82
pro vyhledávání: '"P. Gumann"'
Publikováno v:
Nature Communications, Vol 12, Iss 1, Pp 1-6 (2021)
A recent finding of tuning critical current in metallic nanowires by application of small gate voltages seems at odds with general understanding. Here, Ritter et al. study similar nanowires and link the origin of the critical current suppression to t
Externí odkaz:
https://doaj.org/article/d165dafc46b846109d3f17f491305fd2
Autor:
Zhang, Shuangyou, Bi, Toby, Harder, Irina, Lohse, Olga, Gannott, Florentina, Gumann, Alexander, Zhang, Yaojing, Del'Haye, Pascal
Silicon-nitride-on-insulator photonic circuits have seen tremendous advances in many applications, such as on-chip frequency combs, Lidar, telecommunications, and spectroscopy. So far, the best film quality has been achieved with low pressure chemica
Externí odkaz:
http://arxiv.org/abs/2301.10758
Autor:
Theresa E.H. Bierling, Amelie Gumann, Shannon R. Ottmann, Sebastian R. Schulz, Leonie Weckwerth, Jana Thomas, Arne Gessner, Magdalena Wichert, Frederic Kuwert, Franziska Rost, Manuela Hauke, Tatjana Freudenreich, Dirk Mielenz, Hans-Martin Jäck, Katharina Pracht
Publikováno v:
Cell Reports, Vol 43, Iss 2, Pp 113739- (2024)
Summary: Glucose uptake increases during B cell activation and antibody-secreting cell (ASC) differentiation, but conflicting findings prevent a clear metabolic profile at different stages of B cell activation. Deletion of the glucose transporter typ
Externí odkaz:
https://doaj.org/article/a98e110be8b745b0865c6927784df68d
Autor:
Sardashti, Kasra, Dartiailh, Matthieu C., Yuan, Joseph, Hart, Sean, Gumann, Patryk, Shabani, Javad
Publikováno v:
IEEE Transactions on Quantum Engineering, vol. 1, pp. 1-7, 2020, Art no. 5502107
In quantum computing architectures, one important factor is the trade-off between the need to couple qubits to each other and to an external drive and the need to isolate them well enough in order to protect the information for an extended period of
Externí odkaz:
http://arxiv.org/abs/2006.08683
Publikováno v:
Nat. Commun. 12, 1266 (2021)
Fast cryogenic switches with ultra-low power dissipation are highly sought-after for control electronics of quantum computers, space applications and next generation logic circuits. However, existing high-frequency switches are often bulky, lossy or
Externí odkaz:
http://arxiv.org/abs/2005.00462
Publikováno v:
Phys. Rev. B 98, 180405 (2018)
We use above-bandgap optical excitation, via a 1047 nm laser, to hyperpolarize the $^{31}$P spins in low-doped (N$_D =6\times10^{15}$ cm$^{-3}$) natural abundance silicon at 4.2 K and 6.7 T, and inductively detect the resulting NMR signal. The $30$ k
Externí odkaz:
http://arxiv.org/abs/1807.08746
Akademický článek
Tento výsledek nelze pro nepřihlášené uživatele zobrazit.
K zobrazení výsledku je třeba se přihlásit.
K zobrazení výsledku je třeba se přihlásit.
Autor:
Gumann, P., Patange, O., Ramanathan, C., Haas, H., Moussa, O., Thewalt, M. L. W., Riemann, H., Abrosimov, N. V., Becker, P., Pohl, H. -J., Itoh, K. M., Cory, D. G.
Publikováno v:
Phys. Rev. Lett. 113, 267604 (2014)
We experimentally demonstrate the inductive readout of optically hyperpolarized phosphorus-31 donor nuclear spins in an isotopically enriched silicon-28 crystal. The concentration of phosphorus donors in the crystal was 1.5 x 10$^{15}$ cm$^{-3}$, thr
Externí odkaz:
http://arxiv.org/abs/1407.5352
Frequency shifts and dissipations of a compound torsional oscillator induced by solid $^4$He samples containing $^3$He impurity concentrations ($x_3$ = 0.3, 3, 6, 12 and 25 in units of 10$^{-6}$) have been measured at two resonant mode frequencies ($
Externí odkaz:
http://arxiv.org/abs/1102.2371
We have investigated the NMR properties of dilute 3He impurities in solid 4He contained in a torsional oscillator (TO) by the simultaneous measurement of the NMR and the torsional oscillator response of the so-called supersolid 4He. From measurements
Externí odkaz:
http://arxiv.org/abs/1006.1025