Zobrazeno 1 - 10
of 438
pro vyhledávání: '"Kolachevsky, N."'
We report on building a pulsed source of cold Tm atoms and loading of the narrow-line magnito-optical trap (MOT) from the cold atomic beam. We achieve the loading rate of the first-stage MOT in the primary chamber up to $10^8$ atoms/s and obtain a co
Externí odkaz:
http://arxiv.org/abs/2411.08807
Publikováno v:
JETP Letters 119, 2024, 659-664
The experimental comparison of two thulium optical lattice clocks in a time interval of up to one hour has been carried out. The synchronous comparison of a clock transition in two independent atomic ensembles using a single ultrastable laser has all
Externí odkaz:
http://arxiv.org/abs/2407.04139
Autor:
Aksenov, M. A., Zalivako, I. V., Semerikov, I. A., Borisenko, A. S., Semenin, N. V., Sidorov, P. L., Fedorov, A. K., Khabarova, K. Yu., Kolachevsky, N. N.
Publikováno v:
Phys. Rev. A 107, 052612 (2023)
The use of multilevel information carriers, also known as qudits, is a promising path for exploring scalability of quantum computing devices. Here we present a proof-of-principle realization of a quantum processor register that uses optically-address
Externí odkaz:
http://arxiv.org/abs/2210.09121
We report on building of a compact vacuum chamber for spectroscopy of ultracold thulium and trapping of up to 13 million atoms. Compactness is achieved by obviating a classical Zeeman slower section and placing an atomic oven close to a magneto-optic
Externí odkaz:
http://arxiv.org/abs/2105.02145
Autor:
Golovizin, A., Tregubov, D., Fedorova, E., Mishin, D., Provorchenko, D., Khabarova, K., Sorokin, V., Kolachevsky, N.
Optical atomic clocks have already overcome the eighteenth decimal digit of instability and uncertainty demonstrating incredible control over external perturbations of the clock transition frequency. At the same time there is an increasing demand for
Externí odkaz:
http://arxiv.org/abs/2102.07468
Autor:
Fedorova, E., Golovizin, A., Tregubov, D., Mishin, D., Provorchenko, D., Sorokin, V., Khabarova, K., Kolachevsky, N.
Publikováno v:
Phys. Rev. A 102, 063114 (2020)
Due to the low sensitivity of the thulium optical clock to black-body radiation and good accuracy and stability estimations, it appears to be one of the most promising transportable optical clocks. One of the leading systematic effects for Tm clock t
Externí odkaz:
http://arxiv.org/abs/2008.02050
Publikováno v:
J.Phys.B 52 (2019) 075006
We investigate collisional shifts of spectral lines involving excited hydrogenic states, where van der Waals coefficients have recently been shown to have large numerical values when expressed in atomic units. Particular emphasis is laid on the recen
Externí odkaz:
http://arxiv.org/abs/1904.02497
Publikováno v:
J.Phys.B 52 (2019) 075005
We study the theoretical foundations for the pressure shifts in high-precision atomic beam spectrosopy of hydrogen, with a particular emphasis on transitions involving higher excited P states. In particular, the long-range interaction of an excited h
Externí odkaz:
http://arxiv.org/abs/1904.03025
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