Zobrazeno 1 - 10
of 450
pro vyhledávání: '"Il’ichev, E. A."'
Autor:
D'Elia, A., Rettaroli, A., Tocci, S., Babusci, D., Barone, C., Beretta, M., Buonomo, B., Chiarello, F., Chikhi, N., Di Gioacchino, D., Felici, G., Filatrella, G., Fistul, M., Foggetta, L. G., Gatti, C., Il'ichev, E., Ligi, C., Lisitskiy, M., Maccarrone, G., Mattioli, F., Oelsner, G., Pagano, S., Piersanti, L., Ruggiero, B., Torrioli, G., Zagoskin, A.
Axions detection requires the ultimate sensitivity down to the single photon limit. In the microwave region this corresponds to energies in the yJ range. This extreme sensitivity has to be combined with an extremely low dark count rate, since the pro
Externí odkaz:
http://arxiv.org/abs/2302.07556
Autor:
Shaikhaidarov, R. S., Kim, K. H., Dunstan, J. W., Antonov, I. V., Linzen, S., Ziegler, M., Golubev, D. S., Antonov, V. N., Il'ichev, E., Astafiev, O. V.
Publikováno v:
Nature 608, 45-49 (2022)
The AC Josephson effect predicted in 1962 and observed experimentally in 1963 as quantised voltage steps (the Shapiro steps) from photon assisted tunnelling of Cooper pairs is among the most fundamental phenomena of quantum mechanics and is vital for
Externí odkaz:
http://arxiv.org/abs/2208.05811
Publikováno v:
Phys. Rev. A 103, 013718 (2021)
We present a blueprint for a maser with a single three-level transmon superconducting artificial atom. The system can be pumped coherently via a two-photon process, and to achieve high population inversion, the relaxation rate of the metastable state
Externí odkaz:
http://arxiv.org/abs/2010.04975
Autor:
Karpov, D. S., Monarkha, V. Y., Szombati, D., Frieiro, A. G., Omelyanchouk, A. N., Il'ichev, E., Fedorov, A.
In a continuous measurement scheme a spin-1/2 particle can be measured and simultaneously driven by an external resonant signal. When the driving is weak, it does not prevent the particle wave-function from collapsing and a detector randomly outputs
Externí odkaz:
http://arxiv.org/abs/1912.04557
Akademický článek
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We demonstrate that the non-Hermitian Hamiltonian approach can be used as a universal tool to design and describe a performance of single photon quantum electrodynamical circuits(cQED). As an example of the validity of this method, we calculate a nov
Externí odkaz:
http://arxiv.org/abs/1812.06716
Publikováno v:
Phys. Rev. B 101, 054511 (2020)
We study the influence of a strong off-resonant driving signal to the energy levels of a superconducting flux qubit both experimentally and theoretically. In the experiment, we carry out a three-tone spectroscopy. This allows us to directly observe t
Externí odkaz:
http://arxiv.org/abs/1811.12703
Akademický článek
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Autor:
Oelsner, G., Andersen, C. K., Rehák, M., Schmelz, M., Anders, S., Grajcar, M., Hübner, U., Mølmer, K., Il'ichev, E.
Publikováno v:
Phys. Rev. Applied 7, 014012 (2017)
We have constructed a microwave detector based on the voltage switching of an underdamped Josephson junction, that is positioned at a current antinode of a {\lambda}/4 coplanar waveguide resonator. By measuring the switching current and the transmiss
Externí odkaz:
http://arxiv.org/abs/1605.05935
Autor:
Neilinger, P., Shevchenko, S. N., Bogár, J., Rehák, M., Oelsner, G., Karpov, D. S., Hübner, U., Astafiev, O., Grajcar, M., Il'ichev, E.
Publikováno v:
Phys. Rev. B 94, 094519 (2016)
We demonstrate amplification (and attenuation) of a probe signal by a driven two-level quantum system in the Landau-Zener-St\"{u}ckelberg-Majorana regime by means of an experiment, in which a superconducting qubit was strongly coupled to a microwave
Externí odkaz:
http://arxiv.org/abs/1603.00245