Zobrazeno 1 - 10
of 1 375
pro vyhledávání: '"Jorgensen, H"'
Autor:
Grove-Rasmussen, K., Grap, S., Paaske, J., Flensberg, K., Andergassen, S., Meden, V., Jørgensen, H. I., Muraki, K., Fujisawa, T.
Publikováno v:
Phys. Rev. Lett. 108, 176802 (2012)
By means of sequential and cotunneling spectroscopy, we study the tunnel couplings between metallic leads and individual levels in a carbon nanotube quantum dot. The levels are ordered in shells consisting of two doublets with strong- and weak-tunnel
Externí odkaz:
http://arxiv.org/abs/1204.6718
Publikováno v:
In Animal 2019 13(9):1817-1825
Publikováno v:
Phys. Rev. B 79, 155441 (2009)
We present measurements of temperature and magnetic field dependence of the critical current and excess current in a carbon nanotube Josephson quantum dot junction. The junction is fabricated in a controlled environment which allows for extraction of
Externí odkaz:
http://arxiv.org/abs/0812.4175
Publikováno v:
Astrophys.SpaceSci.318:195-206,2008
One of the main obstacles in extracting the Cosmic Microwave Background (CMB) signal from observations in the mm-submm range is the foreground contamination by emission from galactic components: mainly synchrotron, free-free and thermal dust emission
Externí odkaz:
http://arxiv.org/abs/0809.2914
Autor:
Grove-Rasmussen, K., Jørgensen, H. I., Andersen, B. M., Paaske, J., Jespersen, T. S., Nygård, J., Flensberg, K., Lindelof, P. E.
Publikováno v:
Phys. Rev. B 79, 134518 (2009)
We study low-temperature transport through carbon nanotube quantum dots in the Coulomb blockade regime coupled to niobium-based superconducting leads. We observe pronounced conductance peaks at finite source-drain bias, which we ascribe to elastic an
Externí odkaz:
http://arxiv.org/abs/0809.1944
Publikováno v:
Nano Lett. 8 (4), 1055, 2008
A top-gated single wall carbon nanotube is used to define three coupled quantum dots in series between two electrodes. The additional electron number on each quantum dot is controlled by top-gate voltages allowing for current measurements of single,
Externí odkaz:
http://arxiv.org/abs/0804.3441
Autor:
Holm, J. V., Jørgensen, H. I., Grove-Rasmussen, K., Paaske, J., Flensberg, K., Lindelof, P. E.
Publikováno v:
Phys. Rev. B 77, 161406(R) (2008)
We have studied electron transport in clean single-walled carbon nanotube quantum dots. Because of the large number of Coulomb blockade diamonds simultaneously showing both shell structure and Kondo effect, we are able to perform a detailed analysis
Externí odkaz:
http://arxiv.org/abs/0711.4913
Autor:
Jørgensen, H. Ingerslev, Grove-Rasmussen, K., Wang, K. -Y., Blackburn, A. M., Flensberg, K., Lindelof, P. E., Williams, D. A.
Publikováno v:
Nature Physics 4, 536 - 539 (2008)
An artifcial two-atomic molecule, also called a double quantum dot (DQD), is an ideal system for exploring few electron physics. Spin-entanglement between just two electrons can be explored in such systems where singlet and triplet states are accessi
Externí odkaz:
http://arxiv.org/abs/0711.3245
Publikováno v:
Physica E 40 (2007) 92-98
High quality single wall carbon nanotube quantum dots have been made showing both metallic and semiconducting behavior. Some of the devices are identified as small band gap semiconducting nanotubes with relatively high broad conductance oscillations
Externí odkaz:
http://arxiv.org/abs/0711.1922